snapraid/cov/cmdline/sync.c.gcov.html
Andrea Mazzoleni 359d943ad8 Auto update
2026-04-29 15:08:50 +02:00

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<tr><td class="title">LCOV - code coverage report</td></tr>
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<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">cmdline</a> - sync.c<span style="font-size: 80%;"> (source / <a href="sync.c.func-sort-c.html">functions</a>)</span></td>
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<td width="10%" class="headerCovTableHead">Hit</td>
<td width="10%" class="headerCovTableHead">Total</td>
<td width="15%" class="headerCovTableHead">Coverage</td>
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<td class="headerItem">Test:</td>
<td class="headerValue">lcov.info</td>
<td></td>
<td class="headerItem">Lines:</td>
<td class="headerCovTableEntry">516</td>
<td class="headerCovTableEntry">576</td>
<td class="headerCovTableEntryMed">89.6 %</td>
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<td class="headerItem">Date:</td>
<td class="headerValue">2026-04-29 15:04:44</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">8</td>
<td class="headerCovTableEntry">8</td>
<td class="headerCovTableEntryHi">100.0 %</td>
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<pre class="sourceHeading"> Line data Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum"> 1 </span> : // SPDX-License-Identifier: GPL-3.0-or-later</a>
<a name="2"><span class="lineNum"> 2 </span> : // Copyright (C) 2011 Andrea Mazzoleni</a>
<a name="3"><span class="lineNum"> 3 </span> : </a>
<a name="4"><span class="lineNum"> 4 </span> : #include &quot;portable.h&quot;</a>
<a name="5"><span class="lineNum"> 5 </span> : </a>
<a name="6"><span class="lineNum"> 6 </span> : #include &quot;support.h&quot;</a>
<a name="7"><span class="lineNum"> 7 </span> : #include &quot;elem.h&quot;</a>
<a name="8"><span class="lineNum"> 8 </span> : #include &quot;state.h&quot;</a>
<a name="9"><span class="lineNum"> 9 </span> : #include &quot;parity.h&quot;</a>
<a name="10"><span class="lineNum"> 10 </span> : #include &quot;handle.h&quot;</a>
<a name="11"><span class="lineNum"> 11 </span> : #include &quot;io.h&quot;</a>
<a name="12"><span class="lineNum"> 12 </span> : #include &quot;raid/raid.h&quot;</a>
<a name="13"><span class="lineNum"> 13 </span> : </a>
<a name="14"><span class="lineNum"> 14 </span> : /****************************************************************************/</a>
<a name="15"><span class="lineNum"> 15 </span> : /* hash */</a>
<a name="16"><span class="lineNum"> 16 </span> : </a>
<a name="17"><span class="lineNum"> 17 </span><span class="lineCov"> 18 : static const char* es(int err)</span></a>
<a name="18"><span class="lineNum"> 18 </span> : {</a>
<a name="19"><span class="lineNum"> 19 </span><span class="lineCov"> 18 : if (is_hw(err))</span></a>
<a name="20"><span class="lineNum"> 20 </span><span class="lineNoCov"> 0 : return &quot;error_io&quot;;</span></a>
<a name="21"><span class="lineNum"> 21 </span> : else</a>
<a name="22"><span class="lineNum"> 22 </span><span class="lineCov"> 18 : return &quot;error&quot;;</span></a>
<a name="23"><span class="lineNum"> 23 </span> : }</a>
<a name="24"><span class="lineNum"> 24 </span> : </a>
<a name="25"><span class="lineNum"> 25 </span><span class="lineCov"> 7 : static int state_hash_process(struct snapraid_state* state, block_off_t blockstart, block_off_t blockmax, int* skip_sync)</span></a>
<a name="26"><span class="lineNum"> 26 </span> : {</a>
<a name="27"><span class="lineNum"> 27 </span> : struct snapraid_handle* handle;</a>
<a name="28"><span class="lineNum"> 28 </span> : unsigned diskmax;</a>
<a name="29"><span class="lineNum"> 29 </span> : block_off_t blockcur;</a>
<a name="30"><span class="lineNum"> 30 </span> : unsigned j;</a>
<a name="31"><span class="lineNum"> 31 </span> : void* buffer;</a>
<a name="32"><span class="lineNum"> 32 </span> : void* buffer_alloc;</a>
<a name="33"><span class="lineNum"> 33 </span> : data_off_t countsize;</a>
<a name="34"><span class="lineNum"> 34 </span> : block_off_t countpos;</a>
<a name="35"><span class="lineNum"> 35 </span> : block_off_t countmax;</a>
<a name="36"><span class="lineNum"> 36 </span> : int ret;</a>
<a name="37"><span class="lineNum"> 37 </span> : unsigned soft_error;</a>
<a name="38"><span class="lineNum"> 38 </span> : unsigned silent_error;</a>
<a name="39"><span class="lineNum"> 39 </span> : unsigned io_error;</a>
<a name="40"><span class="lineNum"> 40 </span> : char esc_buffer[ESC_MAX];</a>
<a name="41"><span class="lineNum"> 41 </span> : </a>
<a name="42"><span class="lineNum"> 42 </span> : /* maps the disks to handles */</a>
<a name="43"><span class="lineNum"> 43 </span><span class="lineCov"> 7 : handle = handle_mapping(state, &amp;diskmax);</span></a>
<a name="44"><span class="lineNum"> 44 </span> : </a>
<a name="45"><span class="lineNum"> 45 </span> : /* buffer for reading */</a>
<a name="46"><span class="lineNum"> 46 </span><span class="lineCov"> 7 : buffer = malloc_nofail_direct(state-&gt;block_size, &amp;buffer_alloc);</span></a>
<a name="47"><span class="lineNum"> 47 </span><span class="lineCov"> 7 : if (!state-&gt;opt.skip_self)</span></a>
<a name="48"><span class="lineNum"> 48 </span><span class="lineNoCov"> 0 : mtest_vector(1, state-&gt;block_size, &amp;buffer);</span></a>
<a name="49"><span class="lineNum"> 49 </span> : </a>
<a name="50"><span class="lineNum"> 50 </span><span class="lineCov"> 7 : soft_error = 0;</span></a>
<a name="51"><span class="lineNum"> 51 </span><span class="lineCov"> 7 : silent_error = 0;</span></a>
<a name="52"><span class="lineNum"> 52 </span><span class="lineCov"> 7 : io_error = 0;</span></a>
<a name="53"><span class="lineNum"> 53 </span> : </a>
<a name="54"><span class="lineNum"> 54 </span> : /* first count the number of blocks to process */</a>
<a name="55"><span class="lineNum"> 55 </span><span class="lineCov"> 7 : countmax = 0;</span></a>
<a name="56"><span class="lineNum"> 56 </span><span class="lineCov"> 49 : for (j = 0; j &lt; diskmax; ++j) {</span></a>
<a name="57"><span class="lineNum"> 57 </span><span class="lineCov"> 42 : struct snapraid_disk* disk = handle[j].disk;</span></a>
<a name="58"><span class="lineNum"> 58 </span> : </a>
<a name="59"><span class="lineNum"> 59 </span> : /* if no disk, nothing to check */</a>
<a name="60"><span class="lineNum"> 60 </span><span class="lineCov"> 42 : if (!disk)</span></a>
<a name="61"><span class="lineNum"> 61 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="62"><span class="lineNum"> 62 </span> : </a>
<a name="63"><span class="lineNum"> 63 </span><span class="lineCov"> 236706 : for (blockcur = blockstart; blockcur &lt; blockmax; ++blockcur) {</span></a>
<a name="64"><span class="lineNum"> 64 </span> : struct snapraid_block* block;</a>
<a name="65"><span class="lineNum"> 65 </span> : unsigned block_state;</a>
<a name="66"><span class="lineNum"> 66 </span> : </a>
<a name="67"><span class="lineNum"> 67 </span><span class="lineCov"> 236664 : block = fs_par2block_find(disk, blockcur);</span></a>
<a name="68"><span class="lineNum"> 68 </span> : </a>
<a name="69"><span class="lineNum"> 69 </span> : /* get the state of the block */</a>
<a name="70"><span class="lineNum"> 70 </span><span class="lineCov"> 236664 : block_state = block_state_get(block);</span></a>
<a name="71"><span class="lineNum"> 71 </span> : </a>
<a name="72"><span class="lineNum"> 72 </span> : /* process REP and CHG blocks */</a>
<a name="73"><span class="lineNum"> 73 </span><span class="lineCov"> 236664 : if (block_state != BLOCK_STATE_REP &amp;&amp; block_state != BLOCK_STATE_CHG)</span></a>
<a name="74"><span class="lineNum"> 74 </span><span class="lineCov"> 223625 : continue;</span></a>
<a name="75"><span class="lineNum"> 75 </span> : </a>
<a name="76"><span class="lineNum"> 76 </span><span class="lineCov"> 13039 : ++countmax;</span></a>
<a name="77"><span class="lineNum"> 77 </span> : }</a>
<a name="78"><span class="lineNum"> 78 </span> : }</a>
<a name="79"><span class="lineNum"> 79 </span> : </a>
<a name="80"><span class="lineNum"> 80 </span> : /* drop until now */</a>
<a name="81"><span class="lineNum"> 81 </span><span class="lineCov"> 7 : state_usage_waste(state);</span></a>
<a name="82"><span class="lineNum"> 82 </span> : </a>
<a name="83"><span class="lineNum"> 83 </span><span class="lineCov"> 7 : countsize = 0;</span></a>
<a name="84"><span class="lineNum"> 84 </span><span class="lineCov"> 7 : countpos = 0;</span></a>
<a name="85"><span class="lineNum"> 85 </span><span class="lineCov"> 7 : blockcur = blockstart;</span></a>
<a name="86"><span class="lineNum"> 86 </span> : </a>
<a name="87"><span class="lineNum"> 87 </span><span class="lineCov"> 7 : int alert = state_progress_begin(state, blockstart, blockmax, countmax);</span></a>
<a name="88"><span class="lineNum"> 88 </span><span class="lineCov"> 7 : if (alert &gt; 0)</span></a>
<a name="89"><span class="lineNum"> 89 </span><span class="lineNoCov"> 0 : goto end;</span></a>
<a name="90"><span class="lineNum"> 90 </span><span class="lineCov"> 7 : if (alert &lt; 0)</span></a>
<a name="91"><span class="lineNum"> 91 </span><span class="lineNoCov"> 0 : goto bail;</span></a>
<a name="92"><span class="lineNum"> 92 </span> : </a>
<a name="93"><span class="lineNum"> 93 </span><span class="lineCov"> 49 : for (j = 0; j &lt; diskmax; ++j) {</span></a>
<a name="94"><span class="lineNum"> 94 </span><span class="lineCov"> 42 : struct snapraid_disk* disk = handle[j].disk;</span></a>
<a name="95"><span class="lineNum"> 95 </span> : </a>
<a name="96"><span class="lineNum"> 96 </span> : /* if no disk, nothing to check */</a>
<a name="97"><span class="lineNum"> 97 </span><span class="lineCov"> 42 : if (!disk)</span></a>
<a name="98"><span class="lineNum"> 98 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="99"><span class="lineNum"> 99 </span> : </a>
<a name="100"><span class="lineNum"> 100 </span><span class="lineCov"> 236706 : for (blockcur = blockstart; blockcur &lt; blockmax; ++blockcur) {</span></a>
<a name="101"><span class="lineNum"> 101 </span> : snapraid_info info;</a>
<a name="102"><span class="lineNum"> 102 </span> : int rehash;</a>
<a name="103"><span class="lineNum"> 103 </span> : struct snapraid_block* block;</a>
<a name="104"><span class="lineNum"> 104 </span> : int read_size;</a>
<a name="105"><span class="lineNum"> 105 </span> : unsigned char hash[HASH_MAX];</a>
<a name="106"><span class="lineNum"> 106 </span> : unsigned block_state;</a>
<a name="107"><span class="lineNum"> 107 </span> : struct snapraid_file* file;</a>
<a name="108"><span class="lineNum"> 108 </span> : block_off_t file_pos;</a>
<a name="109"><span class="lineNum"> 109 </span> : </a>
<a name="110"><span class="lineNum"> 110 </span><span class="lineCov"> 236664 : block = fs_par2block_find(disk, blockcur);</span></a>
<a name="111"><span class="lineNum"> 111 </span> : </a>
<a name="112"><span class="lineNum"> 112 </span> : /* get the state of the block */</a>
<a name="113"><span class="lineNum"> 113 </span><span class="lineCov"> 236664 : block_state = block_state_get(block);</span></a>
<a name="114"><span class="lineNum"> 114 </span> : </a>
<a name="115"><span class="lineNum"> 115 </span> : /* process REP and CHG blocks */</a>
<a name="116"><span class="lineNum"> 116 </span><span class="lineCov"> 236664 : if (block_state != BLOCK_STATE_REP &amp;&amp; block_state != BLOCK_STATE_CHG)</span></a>
<a name="117"><span class="lineNum"> 117 </span><span class="lineCov"> 223635 : continue;</span></a>
<a name="118"><span class="lineNum"> 118 </span> : </a>
<a name="119"><span class="lineNum"> 119 </span> : /* get the file of this block */</a>
<a name="120"><span class="lineNum"> 120 </span><span class="lineCov"> 13039 : file = fs_par2file_get(disk, blockcur, &amp;file_pos);</span></a>
<a name="121"><span class="lineNum"> 121 </span> : </a>
<a name="122"><span class="lineNum"> 122 </span> : /* get block specific info */</a>
<a name="123"><span class="lineNum"> 123 </span><span class="lineCov"> 13039 : info = info_get(&amp;state-&gt;infoarr, blockcur);</span></a>
<a name="124"><span class="lineNum"> 124 </span> : </a>
<a name="125"><span class="lineNum"> 125 </span> : /* if we have to use the old hash */</a>
<a name="126"><span class="lineNum"> 126 </span><span class="lineCov"> 13039 : rehash = info_get_rehash(info);</span></a>
<a name="127"><span class="lineNum"> 127 </span> : </a>
<a name="128"><span class="lineNum"> 128 </span> : /* until now is misc */</a>
<a name="129"><span class="lineNum"> 129 </span><span class="lineCov"> 13039 : state_usage_misc(state);</span></a>
<a name="130"><span class="lineNum"> 130 </span> : </a>
<a name="131"><span class="lineNum"> 131 </span> : /* if the file is different than the current one, close it */</a>
<a name="132"><span class="lineNum"> 132 </span><span class="lineCov"> 13039 : if (handle[j].file != 0 &amp;&amp; handle[j].file != file) {</span></a>
<a name="133"><span class="lineNum"> 133 </span> : /* keep a pointer at the file we are going to close for error reporting */</a>
<a name="134"><span class="lineNum"> 134 </span><span class="lineCov"> 5252 : struct snapraid_file* report = handle[j].file;</span></a>
<a name="135"><span class="lineNum"> 135 </span><span class="lineCov"> 5252 : ret = handle_close(&amp;handle[j]);</span></a>
<a name="136"><span class="lineNum"> 136 </span><span class="lineCov"> 5252 : if (ret == -1) {</span></a>
<a name="137"><span class="lineNum"> 137 </span> : /* LCOV_EXCL_START */</a>
<a name="138"><span class="lineNum"> 138 </span> : /*</a>
<a name="139"><span class="lineNum"> 139 </span> : * This one is really an unexpected error, because we are only reading</a>
<a name="140"><span class="lineNum"> 140 </span> : * and closing a descriptor should never fail</a>
<a name="141"><span class="lineNum"> 141 </span> : */</a>
<a name="142"><span class="lineNum"> 142 </span> : log_tag(&quot;%s:%u:%s:%s: Close error. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(report-&gt;sub, esc_buffer), strerror(errno));</a>
<a name="143"><span class="lineNum"> 143 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="144"><span class="lineNum"> 144 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="145"><span class="lineNum"> 145 </span> : </a>
<a name="146"><span class="lineNum"> 146 </span> : if (is_hw(errno)) {</a>
<a name="147"><span class="lineNum"> 147 </span> : ++io_error;</a>
<a name="148"><span class="lineNum"> 148 </span> : } else {</a>
<a name="149"><span class="lineNum"> 149 </span> : ++soft_error;</a>
<a name="150"><span class="lineNum"> 150 </span> : }</a>
<a name="151"><span class="lineNum"> 151 </span> : goto bail;</a>
<a name="152"><span class="lineNum"> 152 </span> : /* LCOV_EXCL_STOP */</a>
<a name="153"><span class="lineNum"> 153 </span> : }</a>
<a name="154"><span class="lineNum"> 154 </span> : }</a>
<a name="155"><span class="lineNum"> 155 </span> : </a>
<a name="156"><span class="lineNum"> 156 </span><span class="lineCov"> 13039 : ret = handle_open(&amp;handle[j], file, state-&gt;file_mode, log_error, log_error); /* output a message for missing files */</span></a>
<a name="157"><span class="lineNum"> 157 </span><span class="lineCov"> 13039 : if (ret == -1) {</span></a>
<a name="158"><span class="lineNum"> 158 </span><span class="lineCov"> 6 : log_tag(&quot;%s:%u:%s:%s: Open error. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer), strerror(errno));</span></a>
<a name="159"><span class="lineNum"> 159 </span><span class="lineCov"> 6 : if (errno == ENOENT) {</span></a>
<a name="160"><span class="lineNum"> 160 </span><span class="lineCov"> 2 : log_error_errno(errno, disk-&gt;name);</span></a>
<a name="161"><span class="lineNum"> 161 </span> : </a>
<a name="162"><span class="lineNum"> 162 </span><span class="lineCov"> 2 : ++soft_error;</span></a>
<a name="163"><span class="lineNum"> 163 </span> : /*</a>
<a name="164"><span class="lineNum"> 164 </span> : * If the file is missing, it means that it was removed during sync</a>
<a name="165"><span class="lineNum"> 165 </span> : * this isn't a serious error, so we skip this block, and continue with others</a>
<a name="166"><span class="lineNum"> 166 </span> : */</a>
<a name="167"><span class="lineNum"> 167 </span><span class="lineCov"> 2 : continue;</span></a>
<a name="168"><span class="lineNum"> 168 </span> : }</a>
<a name="169"><span class="lineNum"> 169 </span> : </a>
<a name="170"><span class="lineNum"> 170 </span><span class="lineCov"> 4 : if (errno == EACCES) {</span></a>
<a name="171"><span class="lineNum"> 171 </span><span class="lineCov"> 4 : log_error_errno(errno, disk-&gt;name);</span></a>
<a name="172"><span class="lineNum"> 172 </span> : </a>
<a name="173"><span class="lineNum"> 173 </span><span class="lineCov"> 4 : ++soft_error;</span></a>
<a name="174"><span class="lineNum"> 174 </span> : /* this isn't a serious error, so we skip this block, and continue with others */</a>
<a name="175"><span class="lineNum"> 175 </span><span class="lineCov"> 4 : continue;</span></a>
<a name="176"><span class="lineNum"> 176 </span> : }</a>
<a name="177"><span class="lineNum"> 177 </span> : </a>
<a name="178"><span class="lineNum"> 178 </span> : /* LCOV_EXCL_START */</a>
<a name="179"><span class="lineNum"> 179 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="180"><span class="lineNum"> 180 </span> : </a>
<a name="181"><span class="lineNum"> 181 </span> : if (is_hw(errno)) {</a>
<a name="182"><span class="lineNum"> 182 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="183"><span class="lineNum"> 183 </span> : ++io_error;</a>
<a name="184"><span class="lineNum"> 184 </span> : } else {</a>
<a name="185"><span class="lineNum"> 185 </span> : log_fatal(errno, &quot;Stopping to allow recovery. Try with 'snapraid check -f /%s'\n&quot;, fmt_poll(disk, file-&gt;sub, esc_buffer));</a>
<a name="186"><span class="lineNum"> 186 </span> : ++soft_error;</a>
<a name="187"><span class="lineNum"> 187 </span> : }</a>
<a name="188"><span class="lineNum"> 188 </span> : goto bail;</a>
<a name="189"><span class="lineNum"> 189 </span> : /* LCOV_EXCL_STOP */</a>
<a name="190"><span class="lineNum"> 190 </span> : }</a>
<a name="191"><span class="lineNum"> 191 </span> : </a>
<a name="192"><span class="lineNum"> 192 </span> : /* check if the file is changed */</a>
<a name="193"><span class="lineNum"> 193 </span><span class="lineCov"> 13033 : if (handle[j].st.st_size != file-&gt;size</span></a>
<a name="194"><span class="lineNum"> 194 </span><span class="lineCov"> 13032 : || handle[j].st.st_mtime != file-&gt;mtime_sec</span></a>
<a name="195"><span class="lineNum"> 195 </span><span class="lineCov"> 13031 : || STAT_NSEC(&amp;handle[j].st) != file-&gt;mtime_nsec</span></a>
<a name="196"><span class="lineNum"> 196 </span><span class="lineCov"> 13031 : || handle[j].st.st_ino != file-&gt;inode</span></a>
<a name="197"><span class="lineNum"> 197 </span> : ) {</a>
<a name="198"><span class="lineNum"> 198 </span><span class="lineCov"> 3 : if (handle[j].st.st_size != file-&gt;size) {</span></a>
<a name="199"><span class="lineNum"> 199 </span><span class="lineCov"> 1 : log_tag(&quot;error:%u:%s:%s: Unexpected size change\n&quot;, blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer));</span></a>
<a name="200"><span class="lineNum"> 200 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;Unexpected size change at file '%s' from %&quot; PRIu64 &quot; to %&quot; PRIu64 &quot;.\n&quot;, handle[j].path, file-&gt;size, (uint64_t)handle[j].st.st_size);</span></a>
<a name="201"><span class="lineNum"> 201 </span><span class="lineCov"> 2 : } else if (handle[j].st.st_mtime != file-&gt;mtime_sec</span></a>
<a name="202"><span class="lineNum"> 202 </span><span class="lineCov"> 1 : || STAT_NSEC(&amp;handle[j].st) != file-&gt;mtime_nsec) {</span></a>
<a name="203"><span class="lineNum"> 203 </span><span class="lineCov"> 1 : log_tag(&quot;error:%u:%s:%s: Unexpected time change\n&quot;, blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer));</span></a>
<a name="204"><span class="lineNum"> 204 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;Unexpected time change at file '%s' from %&quot; PRIu64 &quot;.%d to %&quot; PRIu64 &quot;.%d.\n&quot;, handle[j].path, file-&gt;mtime_sec, file-&gt;mtime_nsec, (uint64_t)handle[j].st.st_mtime, STAT_NSEC(&amp;handle[j].st));</span></a>
<a name="205"><span class="lineNum"> 205 </span> : } else {</a>
<a name="206"><span class="lineNum"> 206 </span><span class="lineCov"> 1 : log_tag(&quot;error:%u:%s:%s: Unexpected inode change\n&quot;, blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer));</span></a>
<a name="207"><span class="lineNum"> 207 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;Unexpected inode change from %&quot; PRIu64 &quot; to %&quot; PRIu64 &quot; at file '%s'.\n&quot;, file-&gt;inode, (uint64_t)handle[j].st.st_ino, handle[j].path);</span></a>
<a name="208"><span class="lineNum"> 208 </span> : }</a>
<a name="209"><span class="lineNum"> 209 </span><span class="lineCov"> 3 : log_error_errno(ENOENT, disk-&gt;name); /* same message for ENOENT */</span></a>
<a name="210"><span class="lineNum"> 210 </span> : </a>
<a name="211"><span class="lineNum"> 211 </span><span class="lineCov"> 3 : ++soft_error;</span></a>
<a name="212"><span class="lineNum"> 212 </span> : </a>
<a name="213"><span class="lineNum"> 213 </span> : /*</a>
<a name="214"><span class="lineNum"> 214 </span> : * If the file is changed, it means that it was modified during sync</a>
<a name="215"><span class="lineNum"> 215 </span> : * this isn't a serious error, so we skip this block, and continue with others</a>
<a name="216"><span class="lineNum"> 216 </span> : */</a>
<a name="217"><span class="lineNum"> 217 </span><span class="lineCov"> 3 : continue;</span></a>
<a name="218"><span class="lineNum"> 218 </span> : }</a>
<a name="219"><span class="lineNum"> 219 </span> : </a>
<a name="220"><span class="lineNum"> 220 </span><span class="lineCov"> 13030 : read_size = handle_read(&amp;handle[j], file_pos, buffer, state-&gt;block_size, log_fatal, 0);</span></a>
<a name="221"><span class="lineNum"> 221 </span><span class="lineCov"> 13030 : if (read_size == -1) {</span></a>
<a name="222"><span class="lineNum"> 222 </span> : /* LCOV_EXCL_START */</a>
<a name="223"><span class="lineNum"> 223 </span> : log_tag(&quot;%s:%u:%s:%s: Read error at position %u. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer), file_pos, strerror(errno));</a>
<a name="224"><span class="lineNum"> 224 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="225"><span class="lineNum"> 225 </span> : </a>
<a name="226"><span class="lineNum"> 226 </span> : if (is_hw(errno)) {</a>
<a name="227"><span class="lineNum"> 227 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="228"><span class="lineNum"> 228 </span> : ++io_error;</a>
<a name="229"><span class="lineNum"> 229 </span> : } else {</a>
<a name="230"><span class="lineNum"> 230 </span> : log_fatal(errno, &quot;Stopping to allow recovery. Try with 'snapraid check -f /%s'\n&quot;, fmt_poll(disk, file-&gt;sub, esc_buffer));</a>
<a name="231"><span class="lineNum"> 231 </span> : ++soft_error;</a>
<a name="232"><span class="lineNum"> 232 </span> : }</a>
<a name="233"><span class="lineNum"> 233 </span> : goto bail;</a>
<a name="234"><span class="lineNum"> 234 </span> : /* LCOV_EXCL_STOP */</a>
<a name="235"><span class="lineNum"> 235 </span> : }</a>
<a name="236"><span class="lineNum"> 236 </span> : </a>
<a name="237"><span class="lineNum"> 237 </span> : /* until now is disk */</a>
<a name="238"><span class="lineNum"> 238 </span><span class="lineCov"> 13030 : state_usage_disk(state, handle, &amp;j, 1);</span></a>
<a name="239"><span class="lineNum"> 239 </span> : </a>
<a name="240"><span class="lineNum"> 240 </span><span class="lineCov"> 13030 : state_usage_file(state, disk, file);</span></a>
<a name="241"><span class="lineNum"> 241 </span> : </a>
<a name="242"><span class="lineNum"> 242 </span><span class="lineCov"> 13030 : countsize += read_size;</span></a>
<a name="243"><span class="lineNum"> 243 </span> : </a>
<a name="244"><span class="lineNum"> 244 </span> : /* now compute the hash */</a>
<a name="245"><span class="lineNum"> 245 </span><span class="lineCov"> 13030 : if (rehash) {</span></a>
<a name="246"><span class="lineNum"> 246 </span><span class="lineNoCov"> 0 : memhash(state-&gt;prevhash, state-&gt;prevhashseed, hash, buffer, read_size);</span></a>
<a name="247"><span class="lineNum"> 247 </span> : } else {</a>
<a name="248"><span class="lineNum"> 248 </span><span class="lineCov"> 13030 : memhash(state-&gt;hash, state-&gt;hashseed, hash, buffer, read_size);</span></a>
<a name="249"><span class="lineNum"> 249 </span> : }</a>
<a name="250"><span class="lineNum"> 250 </span> : </a>
<a name="251"><span class="lineNum"> 251 </span> : /* until now is hash */</a>
<a name="252"><span class="lineNum"> 252 </span><span class="lineCov"> 13030 : state_usage_hash(state);</span></a>
<a name="253"><span class="lineNum"> 253 </span> : </a>
<a name="254"><span class="lineNum"> 254 </span><span class="lineCov"> 13030 : if (block_state == BLOCK_STATE_REP) {</span></a>
<a name="255"><span class="lineNum"> 255 </span> : /* compare the hash */</a>
<a name="256"><span class="lineNum"> 256 </span><span class="lineCov"> 13028 : if (memcmp(hash, block-&gt;hash, BLOCK_HASH_SIZE) != 0) {</span></a>
<a name="257"><span class="lineNum"> 257 </span><span class="lineCov"> 1 : log_tag(&quot;error_data:%u:%s:%s: Unexpected data change\n&quot;, blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer));</span></a>
<a name="258"><span class="lineNum"> 258 </span><span class="lineCov"> 1 : log_error(EDATA, &quot;Data change at file '%s' at position '%u'\n&quot;, handle[j].path, file_pos);</span></a>
<a name="259"><span class="lineNum"> 259 </span><span class="lineCov"> 1 : log_error(EDATA, &quot;WARNING! Unexpected data modification of a file without parity!\n&quot;);</span></a>
<a name="260"><span class="lineNum"> 260 </span> : </a>
<a name="261"><span class="lineNum"> 261 </span><span class="lineCov"> 1 : if (file_flag_has(file, FILE_IS_COPY)) {</span></a>
<a name="262"><span class="lineNum"> 262 </span><span class="lineCov"> 1 : log_error(EDATA, &quot;This file was detected as a copy of another file with the same name, size,\n&quot;);</span></a>
<a name="263"><span class="lineNum"> 263 </span><span class="lineCov"> 1 : log_error(EDATA, &quot;and timestamp, but the file data isn't matching the assumed copy.\n&quot;);</span></a>
<a name="264"><span class="lineNum"> 264 </span><span class="lineCov"> 1 : log_error(EDATA, &quot;If this is a false positive, and the files are expected to be different,\n&quot;);</span></a>
<a name="265"><span class="lineNum"> 265 </span><span class="lineCov"> 1 : log_error(EDATA, &quot;you can 'sync' anyway using 'snapraid --force-nocopy sync'\n&quot;);</span></a>
<a name="266"><span class="lineNum"> 266 </span> : } else {</a>
<a name="267"><span class="lineNum"> 267 </span><span class="lineNoCov"> 0 : log_error(EDATA, &quot;Try removing the file from the array and rerun the 'sync' command!\n&quot;);</span></a>
<a name="268"><span class="lineNum"> 268 </span> : }</a>
<a name="269"><span class="lineNum"> 269 </span> : </a>
<a name="270"><span class="lineNum"> 270 </span> : /*</a>
<a name="271"><span class="lineNum"> 271 </span> : * Block sync to allow a recovery before overwriting</a>
<a name="272"><span class="lineNum"> 272 </span> : * the parity needed to make such recovery</a>
<a name="273"><span class="lineNum"> 273 </span> : */</a>
<a name="274"><span class="lineNum"> 274 </span><span class="lineCov"> 1 : *skip_sync = 1; /* avoid to run the next sync */</span></a>
<a name="275"><span class="lineNum"> 275 </span> : </a>
<a name="276"><span class="lineNum"> 276 </span><span class="lineCov"> 1 : ++silent_error;</span></a>
<a name="277"><span class="lineNum"> 277 </span><span class="lineCov"> 1 : continue;</span></a>
<a name="278"><span class="lineNum"> 278 </span> : }</a>
<a name="279"><span class="lineNum"> 279 </span> : } else {</a>
<a name="280"><span class="lineNum"> 280 </span> : /* the only other case is BLOCK_STATE_CHG */</a>
<a name="281"><span class="lineNum"> 281 </span><span class="lineCov"> 2 : assert(block_state == BLOCK_STATE_CHG);</span></a>
<a name="282"><span class="lineNum"> 282 </span> : </a>
<a name="283"><span class="lineNum"> 283 </span> : /* copy the hash in the block */</a>
<a name="284"><span class="lineNum"> 284 </span><span class="lineCov"> 2 : memcpy(block-&gt;hash, hash, BLOCK_HASH_SIZE);</span></a>
<a name="285"><span class="lineNum"> 285 </span> : </a>
<a name="286"><span class="lineNum"> 286 </span> : /* and mark the block as hashed */</a>
<a name="287"><span class="lineNum"> 287 </span><span class="lineCov"> 2 : block_state_set(block, BLOCK_STATE_REP);</span></a>
<a name="288"><span class="lineNum"> 288 </span> : </a>
<a name="289"><span class="lineNum"> 289 </span> : /* mark the state as needing write */</a>
<a name="290"><span class="lineNum"> 290 </span><span class="lineCov"> 2 : state-&gt;need_write = 1;</span></a>
<a name="291"><span class="lineNum"> 291 </span> : }</a>
<a name="292"><span class="lineNum"> 292 </span> : </a>
<a name="293"><span class="lineNum"> 293 </span> : /* count the number of processed block */</a>
<a name="294"><span class="lineNum"> 294 </span><span class="lineCov"> 13029 : ++countpos;</span></a>
<a name="295"><span class="lineNum"> 295 </span> : </a>
<a name="296"><span class="lineNum"> 296 </span> : /* progress */</a>
<a name="297"><span class="lineNum"> 297 </span><span class="lineCov"> 13029 : if (state_progress(state, 0, blockcur, countpos, countmax, countsize)) {</span></a>
<a name="298"><span class="lineNum"> 298 </span> : /* LCOV_EXCL_START */</a>
<a name="299"><span class="lineNum"> 299 </span> : *skip_sync = 1; /* avoid to run the next sync */</a>
<a name="300"><span class="lineNum"> 300 </span> : break;</a>
<a name="301"><span class="lineNum"> 301 </span> : /* LCOV_EXCL_STOP */</a>
<a name="302"><span class="lineNum"> 302 </span> : }</a>
<a name="303"><span class="lineNum"> 303 </span> : }</a>
<a name="304"><span class="lineNum"> 304 </span> : </a>
<a name="305"><span class="lineNum"> 305 </span> : /* close the last file in the disk */</a>
<a name="306"><span class="lineNum"> 306 </span><span class="lineCov"> 42 : if (handle[j].file != 0) {</span></a>
<a name="307"><span class="lineNum"> 307 </span> : /* keep a pointer at the file we are going to close for error reporting */</a>
<a name="308"><span class="lineNum"> 308 </span><span class="lineCov"> 7 : struct snapraid_file* report = handle[j].file;</span></a>
<a name="309"><span class="lineNum"> 309 </span><span class="lineCov"> 7 : ret = handle_close(&amp;handle[j]);</span></a>
<a name="310"><span class="lineNum"> 310 </span><span class="lineCov"> 7 : if (ret == -1) {</span></a>
<a name="311"><span class="lineNum"> 311 </span> : /* LCOV_EXCL_START */</a>
<a name="312"><span class="lineNum"> 312 </span> : /*</a>
<a name="313"><span class="lineNum"> 313 </span> : * This one is really an unexpected error, because we are only reading</a>
<a name="314"><span class="lineNum"> 314 </span> : * and closing a descriptor should never fail</a>
<a name="315"><span class="lineNum"> 315 </span> : */</a>
<a name="316"><span class="lineNum"> 316 </span> : log_tag(&quot;%s:%u:%s:%s: Close error. %s.\n&quot;, es(errno), blockmax, disk-&gt;name, esc_tag(report-&gt;sub, esc_buffer), strerror(errno));</a>
<a name="317"><span class="lineNum"> 317 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="318"><span class="lineNum"> 318 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockmax);</a>
<a name="319"><span class="lineNum"> 319 </span> : </a>
<a name="320"><span class="lineNum"> 320 </span> : if (is_hw(errno)) {</a>
<a name="321"><span class="lineNum"> 321 </span> : ++io_error;</a>
<a name="322"><span class="lineNum"> 322 </span> : } else {</a>
<a name="323"><span class="lineNum"> 323 </span> : ++soft_error;</a>
<a name="324"><span class="lineNum"> 324 </span> : }</a>
<a name="325"><span class="lineNum"> 325 </span> : goto bail;</a>
<a name="326"><span class="lineNum"> 326 </span> : /* LCOV_EXCL_STOP */</a>
<a name="327"><span class="lineNum"> 327 </span> : }</a>
<a name="328"><span class="lineNum"> 328 </span> : }</a>
<a name="329"><span class="lineNum"> 329 </span> : }</a>
<a name="330"><span class="lineNum"> 330 </span> : </a>
<a name="331"><span class="lineNum"> 331 </span><span class="lineCov"> 7 : end:</span></a>
<a name="332"><span class="lineNum"> 332 </span><span class="lineCov"> 7 : state_progress_end(state, countpos, countmax, countsize, &quot;Nothing to hash.\n&quot;);</span></a>
<a name="333"><span class="lineNum"> 333 </span> : </a>
<a name="334"><span class="lineNum"> 334 </span> : /*</a>
<a name="335"><span class="lineNum"> 335 </span> : * Note that at this point no io_error is possible</a>
<a name="336"><span class="lineNum"> 336 </span> : * because at the first one we bail out</a>
<a name="337"><span class="lineNum"> 337 </span> : */</a>
<a name="338"><span class="lineNum"> 338 </span><span class="lineCov"> 7 : assert(io_error == 0);</span></a>
<a name="339"><span class="lineNum"> 339 </span> : </a>
<a name="340"><span class="lineNum"> 340 </span><span class="lineCov"> 7 : if (soft_error || io_error || silent_error) {</span></a>
<a name="341"><span class="lineNum"> 341 </span><span class="lineCov"> 6 : msg_status(&quot;\n&quot;);</span></a>
<a name="342"><span class="lineNum"> 342 </span><span class="lineCov"> 6 : msg_status(&quot;%8u soft errors\n&quot;, soft_error);</span></a>
<a name="343"><span class="lineNum"> 343 </span><span class="lineCov"> 6 : msg_status(&quot;%8u io errors\n&quot;, io_error);</span></a>
<a name="344"><span class="lineNum"> 344 </span><span class="lineCov"> 6 : msg_status(&quot;%8u data errors\n&quot;, silent_error);</span></a>
<a name="345"><span class="lineNum"> 345 </span> : } else {</a>
<a name="346"><span class="lineNum"> 346 </span><span class="lineCov"> 1 : msg_status(&quot;Everything OK\n&quot;);</span></a>
<a name="347"><span class="lineNum"> 347 </span> : }</a>
<a name="348"><span class="lineNum"> 348 </span> : </a>
<a name="349"><span class="lineNum"> 349 </span><span class="lineCov"> 7 : if (soft_error)</span></a>
<a name="350"><span class="lineNum"> 350 </span><span class="lineCov"> 5 : log_fatal(ESOFT, &quot;WARNING! Unexpected soft errors!\n&quot;);</span></a>
<a name="351"><span class="lineNum"> 351 </span> : </a>
<a name="352"><span class="lineNum"> 352 </span><span class="lineCov"> 7 : log_tag(&quot;hash_summary:error_soft:%u\n&quot;, soft_error);</span></a>
<a name="353"><span class="lineNum"> 353 </span> : </a>
<a name="354"><span class="lineNum"> 354 </span> : /* proceed without bailing out */</a>
<a name="355"><span class="lineNum"> 355 </span><span class="lineCov"> 7 : goto finish;</span></a>
<a name="356"><span class="lineNum"> 356 </span> : </a>
<a name="357"><span class="lineNum"> 357 </span><span class="lineNoCov"> 0 : bail:</span></a>
<a name="358"><span class="lineNum"> 358 </span> : /* on bail, don't run the next sync */</a>
<a name="359"><span class="lineNum"> 359 </span><span class="lineNoCov"> 0 : *skip_sync = 1;</span></a>
<a name="360"><span class="lineNum"> 360 </span> : </a>
<a name="361"><span class="lineNum"> 361 </span> : /* close files left open */</a>
<a name="362"><span class="lineNum"> 362 </span><span class="lineNoCov"> 0 : for (j = 0; j &lt; diskmax; ++j) {</span></a>
<a name="363"><span class="lineNum"> 363 </span><span class="lineNoCov"> 0 : struct snapraid_file* file = handle[j].file;</span></a>
<a name="364"><span class="lineNum"> 364 </span><span class="lineNoCov"> 0 : struct snapraid_disk* disk = handle[j].disk;</span></a>
<a name="365"><span class="lineNum"> 365 </span><span class="lineNoCov"> 0 : ret = handle_close(&amp;handle[j]);</span></a>
<a name="366"><span class="lineNum"> 366 </span><span class="lineNoCov"> 0 : if (ret == -1) {</span></a>
<a name="367"><span class="lineNum"> 367 </span> : /* LCOV_EXCL_START */</a>
<a name="368"><span class="lineNum"> 368 </span> : log_tag(&quot;%s:%u:%s:%s: Close error. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer), strerror(errno));</a>
<a name="369"><span class="lineNum"> 369 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="370"><span class="lineNum"> 370 </span> : </a>
<a name="371"><span class="lineNum"> 371 </span> : if (is_hw(errno)) {</a>
<a name="372"><span class="lineNum"> 372 </span> : ++io_error;</a>
<a name="373"><span class="lineNum"> 373 </span> : } else {</a>
<a name="374"><span class="lineNum"> 374 </span> : ++soft_error;</a>
<a name="375"><span class="lineNum"> 375 </span> : }</a>
<a name="376"><span class="lineNum"> 376 </span> : /* continue, as we are already exiting */</a>
<a name="377"><span class="lineNum"> 377 </span> : /* LCOV_EXCL_STOP */</a>
<a name="378"><span class="lineNum"> 378 </span> : }</a>
<a name="379"><span class="lineNum"> 379 </span> : }</a>
<a name="380"><span class="lineNum"> 380 </span> : </a>
<a name="381"><span class="lineNum"> 381 </span><span class="lineNoCov"> 0 : finish:</span></a>
<a name="382"><span class="lineNum"> 382 </span><span class="lineCov"> 7 : free(handle);</span></a>
<a name="383"><span class="lineNum"> 383 </span><span class="lineCov"> 7 : free(buffer_alloc);</span></a>
<a name="384"><span class="lineNum"> 384 </span> : </a>
<a name="385"><span class="lineNum"> 385 </span><span class="lineCov"> 7 : if (soft_error + io_error + silent_error != 0)</span></a>
<a name="386"><span class="lineNum"> 386 </span><span class="lineCov"> 6 : return -1;</span></a>
<a name="387"><span class="lineNum"> 387 </span> : </a>
<a name="388"><span class="lineNum"> 388 </span><span class="lineCov"> 1 : if (alert &lt; 0)</span></a>
<a name="389"><span class="lineNum"> 389 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="390"><span class="lineNum"> 390 </span> : </a>
<a name="391"><span class="lineNum"> 391 </span><span class="lineCov"> 1 : return 0;</span></a>
<a name="392"><span class="lineNum"> 392 </span> : }</a>
<a name="393"><span class="lineNum"> 393 </span> : </a>
<a name="394"><span class="lineNum"> 394 </span> : /****************************************************************************/</a>
<a name="395"><span class="lineNum"> 395 </span> : /* sync */</a>
<a name="396"><span class="lineNum"> 396 </span> : </a>
<a name="397"><span class="lineNum"> 397 </span> : /**</a>
<a name="398"><span class="lineNum"> 398 </span> : * Sync plan to use.</a>
<a name="399"><span class="lineNum"> 399 </span> : */</a>
<a name="400"><span class="lineNum"> 400 </span> : struct snapraid_plan {</a>
<a name="401"><span class="lineNum"> 401 </span> : unsigned handle_max;</a>
<a name="402"><span class="lineNum"> 402 </span> : struct snapraid_handle* handle_map;</a>
<a name="403"><span class="lineNum"> 403 </span> : int force_full;</a>
<a name="404"><span class="lineNum"> 404 </span> : };</a>
<a name="405"><span class="lineNum"> 405 </span> : </a>
<a name="406"><span class="lineNum"> 406 </span> : /**</a>
<a name="407"><span class="lineNum"> 407 </span> : * A block that failed the hash check, or that was deleted.</a>
<a name="408"><span class="lineNum"> 408 </span> : */</a>
<a name="409"><span class="lineNum"> 409 </span> : struct failed_struct {</a>
<a name="410"><span class="lineNum"> 410 </span> : unsigned index; /**&lt; Index of the failed block. */</a>
<a name="411"><span class="lineNum"> 411 </span> : unsigned size; /**&lt; Size of the block. */</a>
<a name="412"><span class="lineNum"> 412 </span> : </a>
<a name="413"><span class="lineNum"> 413 </span> : struct snapraid_block* block; /**&lt; The failed block, or BLOCK_DELETED for a deleted block */</a>
<a name="414"><span class="lineNum"> 414 </span> : };</a>
<a name="415"><span class="lineNum"> 415 </span> : </a>
<a name="416"><span class="lineNum"> 416 </span> : /**</a>
<a name="417"><span class="lineNum"> 417 </span> : * Comparison function for sorting by index.</a>
<a name="418"><span class="lineNum"> 418 </span> : */</a>
<a name="419"><span class="lineNum"> 419 </span><span class="lineCov"> 852 : int failed_compare_by_index(const void* void_a, const void* void_b)</span></a>
<a name="420"><span class="lineNum"> 420 </span> : {</a>
<a name="421"><span class="lineNum"> 421 </span><span class="lineCov"> 852 : const struct failed_struct* a = void_a;</span></a>
<a name="422"><span class="lineNum"> 422 </span><span class="lineCov"> 852 : const struct failed_struct* b = void_b;</span></a>
<a name="423"><span class="lineNum"> 423 </span> : </a>
<a name="424"><span class="lineNum"> 424 </span><span class="lineCov"> 852 : if (a-&gt;index &lt; b-&gt;index)</span></a>
<a name="425"><span class="lineNum"> 425 </span><span class="lineCov"> 852 : return -1;</span></a>
<a name="426"><span class="lineNum"> 426 </span><span class="lineNoCov"> 0 : if (a-&gt;index &gt; b-&gt;index)</span></a>
<a name="427"><span class="lineNum"> 427 </span><span class="lineNoCov"> 0 : return 1;</span></a>
<a name="428"><span class="lineNum"> 428 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="429"><span class="lineNum"> 429 </span> : }</a>
<a name="430"><span class="lineNum"> 430 </span> : </a>
<a name="431"><span class="lineNum"> 431 </span> : /**</a>
<a name="432"><span class="lineNum"> 432 </span> : * Buffer for storing the new hashes.</a>
<a name="433"><span class="lineNum"> 433 </span> : */</a>
<a name="434"><span class="lineNum"> 434 </span> : struct snapraid_rehash {</a>
<a name="435"><span class="lineNum"> 435 </span> : unsigned char hash[HASH_MAX];</a>
<a name="436"><span class="lineNum"> 436 </span> : struct snapraid_block* block;</a>
<a name="437"><span class="lineNum"> 437 </span> : };</a>
<a name="438"><span class="lineNum"> 438 </span> : </a>
<a name="439"><span class="lineNum"> 439 </span> : /**</a>
<a name="440"><span class="lineNum"> 440 </span> : * Check if we have to process the specified block index ::i.</a>
<a name="441"><span class="lineNum"> 441 </span> : */</a>
<a name="442"><span class="lineNum"> 442 </span><span class="lineCov"> 470714 : static int block_is_enabled(struct snapraid_plan* plan, block_off_t i)</span></a>
<a name="443"><span class="lineNum"> 443 </span> : {</a>
<a name="444"><span class="lineNum"> 444 </span> : unsigned j;</a>
<a name="445"><span class="lineNum"> 445 </span> : int one_invalid;</a>
<a name="446"><span class="lineNum"> 446 </span> : int one_valid;</a>
<a name="447"><span class="lineNum"> 447 </span> : </a>
<a name="448"><span class="lineNum"> 448 </span> : /* for each disk */</a>
<a name="449"><span class="lineNum"> 449 </span><span class="lineCov"> 470714 : one_invalid = 0;</span></a>
<a name="450"><span class="lineNum"> 450 </span><span class="lineCov"> 470714 : one_valid = 0;</span></a>
<a name="451"><span class="lineNum"> 451 </span><span class="lineCov"> 3272198 : for (j = 0; j &lt; plan-&gt;handle_max; ++j) {</span></a>
<a name="452"><span class="lineNum"> 452 </span> : struct snapraid_block* block;</a>
<a name="453"><span class="lineNum"> 453 </span><span class="lineCov"> 2801484 : struct snapraid_disk* disk = plan-&gt;handle_map[j].disk;</span></a>
<a name="454"><span class="lineNum"> 454 </span> : </a>
<a name="455"><span class="lineNum"> 455 </span> : /* if no disk, nothing to check */</a>
<a name="456"><span class="lineNum"> 456 </span><span class="lineCov"> 2801484 : if (!disk)</span></a>
<a name="457"><span class="lineNum"> 457 </span><span class="lineCov"> 4687 : continue;</span></a>
<a name="458"><span class="lineNum"> 458 </span> : </a>
<a name="459"><span class="lineNum"> 459 </span><span class="lineCov"> 2796797 : block = fs_par2block_find(disk, i);</span></a>
<a name="460"><span class="lineNum"> 460 </span> : </a>
<a name="461"><span class="lineNum"> 461 </span><span class="lineCov"> 2796797 : if (block_has_file(block))</span></a>
<a name="462"><span class="lineNum"> 462 </span><span class="lineCov"> 2643779 : one_valid = 1;</span></a>
<a name="463"><span class="lineNum"> 463 </span> : </a>
<a name="464"><span class="lineNum"> 464 </span><span class="lineCov"> 2796797 : if (block_has_invalid_parity(block) || plan-&gt;force_full)</span></a>
<a name="465"><span class="lineNum"> 465 </span><span class="lineCov"> 447833 : one_invalid = 1;</span></a>
<a name="466"><span class="lineNum"> 466 </span> : }</a>
<a name="467"><span class="lineNum"> 467 </span> : </a>
<a name="468"><span class="lineNum"> 468 </span> : /* if none valid or none invalid, we don't need to update */</a>
<a name="469"><span class="lineNum"> 469 </span><span class="lineCov"> 470714 : if (!one_invalid || !one_valid)</span></a>
<a name="470"><span class="lineNum"> 470 </span><span class="lineCov"> 338919 : return 0;</span></a>
<a name="471"><span class="lineNum"> 471 </span> : </a>
<a name="472"><span class="lineNum"> 472 </span><span class="lineCov"> 131795 : return 1;</span></a>
<a name="473"><span class="lineNum"> 473 </span> : }</a>
<a name="474"><span class="lineNum"> 474 </span> : </a>
<a name="475"><span class="lineNum"> 475 </span><span class="lineCov"> 773517 : static void sync_data_reader(struct snapraid_worker* worker, struct snapraid_task* task)</span></a>
<a name="476"><span class="lineNum"> 476 </span> : {</a>
<a name="477"><span class="lineNum"> 477 </span><span class="lineCov"> 773517 : struct snapraid_io* io = worker-&gt;io;</span></a>
<a name="478"><span class="lineNum"> 478 </span><span class="lineCov"> 773517 : struct snapraid_state* state = io-&gt;state;</span></a>
<a name="479"><span class="lineNum"> 479 </span><span class="lineCov"> 773517 : struct snapraid_handle* handle = worker-&gt;handle;</span></a>
<a name="480"><span class="lineNum"> 480 </span><span class="lineCov"> 773517 : struct snapraid_disk* disk = handle-&gt;disk;</span></a>
<a name="481"><span class="lineNum"> 481 </span><span class="lineCov"> 773517 : block_off_t blockcur = task-&gt;position;</span></a>
<a name="482"><span class="lineNum"> 482 </span><span class="lineCov"> 773517 : unsigned char* buffer = task-&gt;buffer;</span></a>
<a name="483"><span class="lineNum"> 483 </span> : int ret;</a>
<a name="484"><span class="lineNum"> 484 </span> : char esc_buffer[ESC_MAX];</a>
<a name="485"><span class="lineNum"> 485 </span> : </a>
<a name="486"><span class="lineNum"> 486 </span> : /* if the disk position is not used */</a>
<a name="487"><span class="lineNum"> 487 </span><span class="lineCov"> 773517 : if (!disk) {</span></a>
<a name="488"><span class="lineNum"> 488 </span> : /* use an empty block */</a>
<a name="489"><span class="lineNum"> 489 </span><span class="lineNoCov"> 0 : memset(buffer, 0, state-&gt;block_size);</span></a>
<a name="490"><span class="lineNum"> 490 </span><span class="lineNoCov"> 0 : task-&gt;state = TASK_STATE_DONE;</span></a>
<a name="491"><span class="lineNum"> 491 </span><span class="lineCov"> 111722 : return;</span></a>
<a name="492"><span class="lineNum"> 492 </span> : }</a>
<a name="493"><span class="lineNum"> 493 </span> : </a>
<a name="494"><span class="lineNum"> 494 </span> : /* get the block */</a>
<a name="495"><span class="lineNum"> 495 </span><span class="lineCov"> 773517 : task-&gt;block = fs_par2block_find(disk, blockcur);</span></a>
<a name="496"><span class="lineNum"> 496 </span> : </a>
<a name="497"><span class="lineNum"> 497 </span> : /*</a>
<a name="498"><span class="lineNum"> 498 </span> : * If the block has no file, meaning that it's EMPTY or DELETED,</a>
<a name="499"><span class="lineNum"> 499 </span> : * it doesn't participate in the new parity computation</a>
<a name="500"><span class="lineNum"> 500 </span> : */</a>
<a name="501"><span class="lineNum"> 501 </span><span class="lineCov"> 773517 : if (!block_has_file(task-&gt;block)) {</span></a>
<a name="502"><span class="lineNum"> 502 </span> : /* use an empty block */</a>
<a name="503"><span class="lineNum"> 503 </span><span class="lineCov"> 111704 : memset(buffer, 0, state-&gt;block_size);</span></a>
<a name="504"><span class="lineNum"> 504 </span><span class="lineCov"> 111704 : task-&gt;state = TASK_STATE_DONE;</span></a>
<a name="505"><span class="lineNum"> 505 </span><span class="lineCov"> 111704 : return;</span></a>
<a name="506"><span class="lineNum"> 506 </span> : }</a>
<a name="507"><span class="lineNum"> 507 </span> : </a>
<a name="508"><span class="lineNum"> 508 </span> : /* get the file of this block */</a>
<a name="509"><span class="lineNum"> 509 </span><span class="lineCov"> 661813 : task-&gt;file = fs_par2file_get(disk, blockcur, &amp;task-&gt;file_pos);</span></a>
<a name="510"><span class="lineNum"> 510 </span> : </a>
<a name="511"><span class="lineNum"> 511 </span> : /* if the file is different than the current one, close it */</a>
<a name="512"><span class="lineNum"> 512 </span><span class="lineCov"> 661813 : if (handle-&gt;file != 0 &amp;&amp; handle-&gt;file != task-&gt;file) {</span></a>
<a name="513"><span class="lineNum"> 513 </span> : /* keep a pointer at the file we are going to close for error reporting */</a>
<a name="514"><span class="lineNum"> 514 </span><span class="lineCov"> 281148 : struct snapraid_file* report = handle-&gt;file;</span></a>
<a name="515"><span class="lineNum"> 515 </span><span class="lineCov"> 281148 : ret = handle_close(handle);</span></a>
<a name="516"><span class="lineNum"> 516 </span><span class="lineCov"> 281148 : if (ret == -1) {</span></a>
<a name="517"><span class="lineNum"> 517 </span> : /* LCOV_EXCL_START */</a>
<a name="518"><span class="lineNum"> 518 </span> : /*</a>
<a name="519"><span class="lineNum"> 519 </span> : * This one is really an unexpected error, because we are only reading</a>
<a name="520"><span class="lineNum"> 520 </span> : * and closing a descriptor should never fail</a>
<a name="521"><span class="lineNum"> 521 </span> : */</a>
<a name="522"><span class="lineNum"> 522 </span> : log_tag(&quot;%s:%u:%s:%s: Close error. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(report-&gt;sub, esc_buffer), strerror(errno));</a>
<a name="523"><span class="lineNum"> 523 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="524"><span class="lineNum"> 524 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="525"><span class="lineNum"> 525 </span> : </a>
<a name="526"><span class="lineNum"> 526 </span> : if (is_hw(errno)) {</a>
<a name="527"><span class="lineNum"> 527 </span> : task-&gt;state = TASK_STATE_IOERROR;</a>
<a name="528"><span class="lineNum"> 528 </span> : } else {</a>
<a name="529"><span class="lineNum"> 529 </span> : task-&gt;state = TASK_STATE_ERROR;</a>
<a name="530"><span class="lineNum"> 530 </span> : }</a>
<a name="531"><span class="lineNum"> 531 </span> : return;</a>
<a name="532"><span class="lineNum"> 532 </span> : /* LCOV_EXCL_STOP */</a>
<a name="533"><span class="lineNum"> 533 </span> : }</a>
<a name="534"><span class="lineNum"> 534 </span> : }</a>
<a name="535"><span class="lineNum"> 535 </span> : </a>
<a name="536"><span class="lineNum"> 536 </span><span class="lineCov"> 661813 : ret = handle_open(handle, task-&gt;file, state-&gt;file_mode, log_error, log_error); /* output a message for missing files */</span></a>
<a name="537"><span class="lineNum"> 537 </span><span class="lineCov"> 661813 : if (ret == -1) {</span></a>
<a name="538"><span class="lineNum"> 538 </span><span class="lineCov"> 12 : log_tag(&quot;%s:%u:%s:%s: Open error. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(task-&gt;file-&gt;sub, esc_buffer), strerror(errno));</span></a>
<a name="539"><span class="lineNum"> 539 </span><span class="lineCov"> 12 : if (errno == ENOENT) {</span></a>
<a name="540"><span class="lineNum"> 540 </span><span class="lineCov"> 4 : log_error_errno(errno, disk-&gt;name);</span></a>
<a name="541"><span class="lineNum"> 541 </span> : </a>
<a name="542"><span class="lineNum"> 542 </span> : /*</a>
<a name="543"><span class="lineNum"> 543 </span> : * If the file is missing, it means that it was removed during sync</a>
<a name="544"><span class="lineNum"> 544 </span> : * this isn't a serious error, so we skip this block, and continue with others</a>
<a name="545"><span class="lineNum"> 545 </span> : */</a>
<a name="546"><span class="lineNum"> 546 </span><span class="lineCov"> 4 : task-&gt;state = TASK_STATE_ERROR_CONTINUE;</span></a>
<a name="547"><span class="lineNum"> 547 </span><span class="lineCov"> 4 : return;</span></a>
<a name="548"><span class="lineNum"> 548 </span> : }</a>
<a name="549"><span class="lineNum"> 549 </span> : </a>
<a name="550"><span class="lineNum"> 550 </span><span class="lineCov"> 8 : if (errno == EACCES) {</span></a>
<a name="551"><span class="lineNum"> 551 </span><span class="lineCov"> 8 : log_error_errno(errno, disk-&gt;name);</span></a>
<a name="552"><span class="lineNum"> 552 </span> : </a>
<a name="553"><span class="lineNum"> 553 </span> : /* this isn't a serious error, so we skip this block, and continue with others */</a>
<a name="554"><span class="lineNum"> 554 </span><span class="lineCov"> 8 : task-&gt;state = TASK_STATE_ERROR_CONTINUE;</span></a>
<a name="555"><span class="lineNum"> 555 </span><span class="lineCov"> 8 : return;</span></a>
<a name="556"><span class="lineNum"> 556 </span> : }</a>
<a name="557"><span class="lineNum"> 557 </span> : </a>
<a name="558"><span class="lineNum"> 558 </span> : /* LCOV_EXCL_START */</a>
<a name="559"><span class="lineNum"> 559 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="560"><span class="lineNum"> 560 </span> : </a>
<a name="561"><span class="lineNum"> 561 </span> : if (is_hw(errno)) {</a>
<a name="562"><span class="lineNum"> 562 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="563"><span class="lineNum"> 563 </span> : task-&gt;state = TASK_STATE_IOERROR;</a>
<a name="564"><span class="lineNum"> 564 </span> : } else {</a>
<a name="565"><span class="lineNum"> 565 </span> : log_fatal(errno, &quot;Stopping to allow recovery. Try with 'snapraid check -f /%s'\n&quot;, fmt_poll(disk, task-&gt;file-&gt;sub, esc_buffer));</a>
<a name="566"><span class="lineNum"> 566 </span> : task-&gt;state = TASK_STATE_ERROR;</a>
<a name="567"><span class="lineNum"> 567 </span> : }</a>
<a name="568"><span class="lineNum"> 568 </span> : return;</a>
<a name="569"><span class="lineNum"> 569 </span> : /* LCOV_EXCL_STOP */</a>
<a name="570"><span class="lineNum"> 570 </span> : }</a>
<a name="571"><span class="lineNum"> 571 </span> : </a>
<a name="572"><span class="lineNum"> 572 </span> : /* check if the file is changed */</a>
<a name="573"><span class="lineNum"> 573 </span><span class="lineCov"> 661801 : if (handle-&gt;st.st_size != task-&gt;file-&gt;size</span></a>
<a name="574"><span class="lineNum"> 574 </span><span class="lineCov"> 661799 : || handle-&gt;st.st_mtime != task-&gt;file-&gt;mtime_sec</span></a>
<a name="575"><span class="lineNum"> 575 </span><span class="lineCov"> 661797 : || STAT_NSEC(&amp;handle-&gt;st) != task-&gt;file-&gt;mtime_nsec</span></a>
<a name="576"><span class="lineNum"> 576 </span><span class="lineCov"> 661797 : || handle-&gt;st.st_ino != task-&gt;file-&gt;inode</span></a>
<a name="577"><span class="lineNum"> 577 </span> : ) {</a>
<a name="578"><span class="lineNum"> 578 </span><span class="lineCov"> 6 : log_tag(&quot;error:%u:%s:%s: Unexpected attribute change\n&quot;, blockcur, disk-&gt;name, esc_tag(task-&gt;file-&gt;sub, esc_buffer));</span></a>
<a name="579"><span class="lineNum"> 579 </span><span class="lineCov"> 6 : if (handle-&gt;st.st_size != task-&gt;file-&gt;size) {</span></a>
<a name="580"><span class="lineNum"> 580 </span><span class="lineCov"> 2 : log_error(ESOFT, &quot;Unexpected size change at file '%s' from %&quot; PRIu64 &quot; to %&quot; PRIu64 &quot;.\n&quot;, handle-&gt;path, task-&gt;file-&gt;size, (uint64_t)handle-&gt;st.st_size);</span></a>
<a name="581"><span class="lineNum"> 581 </span><span class="lineCov"> 4 : } else if (handle-&gt;st.st_mtime != task-&gt;file-&gt;mtime_sec</span></a>
<a name="582"><span class="lineNum"> 582 </span><span class="lineCov"> 2 : || STAT_NSEC(&amp;handle-&gt;st) != task-&gt;file-&gt;mtime_nsec) {</span></a>
<a name="583"><span class="lineNum"> 583 </span><span class="lineCov"> 2 : log_error(ESOFT, &quot;Unexpected time change at file '%s' from %&quot; PRIu64 &quot;.%d to %&quot; PRIu64 &quot;.%d.\n&quot;, handle-&gt;path, task-&gt;file-&gt;mtime_sec, task-&gt;file-&gt;mtime_nsec, (uint64_t)handle-&gt;st.st_mtime, STAT_NSEC(&amp;handle-&gt;st));</span></a>
<a name="584"><span class="lineNum"> 584 </span> : } else {</a>
<a name="585"><span class="lineNum"> 585 </span><span class="lineCov"> 2 : log_error(ESOFT, &quot;Unexpected inode change from %&quot; PRIu64 &quot; to %&quot; PRIu64 &quot; at file '%s'.\n&quot;, task-&gt;file-&gt;inode, (uint64_t)handle-&gt;st.st_ino, handle-&gt;path);</span></a>
<a name="586"><span class="lineNum"> 586 </span> : }</a>
<a name="587"><span class="lineNum"> 587 </span><span class="lineCov"> 6 : log_error_errno(ENOENT, disk-&gt;name); /* same message for ENOENT */</span></a>
<a name="588"><span class="lineNum"> 588 </span> : </a>
<a name="589"><span class="lineNum"> 589 </span> : /*</a>
<a name="590"><span class="lineNum"> 590 </span> : * If the file is changed, it means that it was modified during sync</a>
<a name="591"><span class="lineNum"> 591 </span> : * this isn't a serious error, so we skip this block, and continue with others</a>
<a name="592"><span class="lineNum"> 592 </span> : */</a>
<a name="593"><span class="lineNum"> 593 </span><span class="lineCov"> 6 : task-&gt;state = TASK_STATE_ERROR_CONTINUE;</span></a>
<a name="594"><span class="lineNum"> 594 </span><span class="lineCov"> 6 : return;</span></a>
<a name="595"><span class="lineNum"> 595 </span> : }</a>
<a name="596"><span class="lineNum"> 596 </span> : </a>
<a name="597"><span class="lineNum"> 597 </span><span class="lineCov"> 661795 : task-&gt;read_size = handle_read(handle, task-&gt;file_pos, buffer, state-&gt;block_size, log_error, 0);</span></a>
<a name="598"><span class="lineNum"> 598 </span><span class="lineCov"> 661795 : if (task-&gt;read_size == -1) {</span></a>
<a name="599"><span class="lineNum"> 599 </span> : /* LCOV_EXCL_START */</a>
<a name="600"><span class="lineNum"> 600 </span> : log_tag(&quot;%s:%u:%s:%s: Read error at position %u. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(task-&gt;file-&gt;sub, esc_buffer), task-&gt;file_pos, strerror(errno));</a>
<a name="601"><span class="lineNum"> 601 </span> : </a>
<a name="602"><span class="lineNum"> 602 </span> : if (is_hw(errno)) {</a>
<a name="603"><span class="lineNum"> 603 </span> : log_error_errno(errno, disk-&gt;name);</a>
<a name="604"><span class="lineNum"> 604 </span> : /* continue until the error limit is reached */</a>
<a name="605"><span class="lineNum"> 605 </span> : task-&gt;state = TASK_STATE_IOERROR_CONTINUE;</a>
<a name="606"><span class="lineNum"> 606 </span> : } else {</a>
<a name="607"><span class="lineNum"> 607 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="608"><span class="lineNum"> 608 </span> : log_fatal(errno, &quot;Stopping to allow recovery. Try with 'snapraid check -f /%s'\n&quot;, fmt_poll(disk, task-&gt;file-&gt;sub, esc_buffer));</a>
<a name="609"><span class="lineNum"> 609 </span> : task-&gt;state = TASK_STATE_ERROR;</a>
<a name="610"><span class="lineNum"> 610 </span> : }</a>
<a name="611"><span class="lineNum"> 611 </span> : return;</a>
<a name="612"><span class="lineNum"> 612 </span> : /* LCOV_EXCL_STOP */</a>
<a name="613"><span class="lineNum"> 613 </span> : }</a>
<a name="614"><span class="lineNum"> 614 </span> : </a>
<a name="615"><span class="lineNum"> 615 </span> : /* store the path of the opened file */</a>
<a name="616"><span class="lineNum"> 616 </span><span class="lineCov"> 661795 : pathcpy(task-&gt;path, sizeof(task-&gt;path), handle-&gt;path);</span></a>
<a name="617"><span class="lineNum"> 617 </span> : </a>
<a name="618"><span class="lineNum"> 618 </span><span class="lineCov"> 661795 : task-&gt;state = TASK_STATE_DONE;</span></a>
<a name="619"><span class="lineNum"> 619 </span> : }</a>
<a name="620"><span class="lineNum"> 620 </span> : </a>
<a name="621"><span class="lineNum"> 621 </span><span class="lineCov"> 584721 : static void sync_parity_writer(struct snapraid_worker* worker, struct snapraid_task* task)</span></a>
<a name="622"><span class="lineNum"> 622 </span> : {</a>
<a name="623"><span class="lineNum"> 623 </span><span class="lineCov"> 584721 : struct snapraid_io* io = worker-&gt;io;</span></a>
<a name="624"><span class="lineNum"> 624 </span><span class="lineCov"> 584721 : struct snapraid_state* state = io-&gt;state;</span></a>
<a name="625"><span class="lineNum"> 625 </span><span class="lineCov"> 584721 : struct snapraid_parity_handle* parity_handle = worker-&gt;parity_handle;</span></a>
<a name="626"><span class="lineNum"> 626 </span><span class="lineCov"> 584721 : unsigned level = parity_handle-&gt;level;</span></a>
<a name="627"><span class="lineNum"> 627 </span><span class="lineCov"> 584721 : block_off_t blockcur = task-&gt;position;</span></a>
<a name="628"><span class="lineNum"> 628 </span><span class="lineCov"> 584721 : unsigned char* buffer = task-&gt;buffer;</span></a>
<a name="629"><span class="lineNum"> 629 </span> : int ret;</a>
<a name="630"><span class="lineNum"> 630 </span> : </a>
<a name="631"><span class="lineNum"> 631 </span> : /* write parity */</a>
<a name="632"><span class="lineNum"> 632 </span><span class="lineCov"> 584721 : ret = parity_write(parity_handle, blockcur, buffer, state-&gt;block_size);</span></a>
<a name="633"><span class="lineNum"> 633 </span><span class="lineCov"> 584721 : if (ret == -1) {</span></a>
<a name="634"><span class="lineNum"> 634 </span> : /* LCOV_EXCL_START */</a>
<a name="635"><span class="lineNum"> 635 </span> : log_tag(&quot;parity_%s:%u:%s: Write error. %s.\n&quot;, es(errno), blockcur, lev_config_name(level), strerror(errno));</a>
<a name="636"><span class="lineNum"> 636 </span> : </a>
<a name="637"><span class="lineNum"> 637 </span> : if (is_hw(errno)) {</a>
<a name="638"><span class="lineNum"> 638 </span> : log_error_errno(errno, lev_config_name(level));</a>
<a name="639"><span class="lineNum"> 639 </span> : /* continue until the error limit is reached */</a>
<a name="640"><span class="lineNum"> 640 </span> : task-&gt;state = TASK_STATE_IOERROR_CONTINUE;</a>
<a name="641"><span class="lineNum"> 641 </span> : } else {</a>
<a name="642"><span class="lineNum"> 642 </span> : log_fatal_errno(errno, lev_config_name(level));</a>
<a name="643"><span class="lineNum"> 643 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="644"><span class="lineNum"> 644 </span> : task-&gt;state = TASK_STATE_ERROR;</a>
<a name="645"><span class="lineNum"> 645 </span> : }</a>
<a name="646"><span class="lineNum"> 646 </span> : return;</a>
<a name="647"><span class="lineNum"> 647 </span> : /* LCOV_EXCL_STOP */</a>
<a name="648"><span class="lineNum"> 648 </span> : }</a>
<a name="649"><span class="lineNum"> 649 </span> : </a>
<a name="650"><span class="lineNum"> 650 </span><span class="lineCov"> 584721 : task-&gt;state = TASK_STATE_DONE;</span></a>
<a name="651"><span class="lineNum"> 651 </span> : }</a>
<a name="652"><span class="lineNum"> 652 </span> : </a>
<a name="653"><span class="lineNum"> 653 </span><span class="lineCov"> 100 : static int state_sync_process(struct snapraid_state* state, struct snapraid_parity_handle* parity_handle, block_off_t blockstart, block_off_t blockmax)</span></a>
<a name="654"><span class="lineNum"> 654 </span> : {</a>
<a name="655"><span class="lineNum"> 655 </span> : struct snapraid_io io;</a>
<a name="656"><span class="lineNum"> 656 </span> : struct snapraid_plan plan;</a>
<a name="657"><span class="lineNum"> 657 </span> : struct snapraid_handle* handle;</a>
<a name="658"><span class="lineNum"> 658 </span> : void* rehandle_alloc;</a>
<a name="659"><span class="lineNum"> 659 </span> : struct snapraid_rehash* rehandle;</a>
<a name="660"><span class="lineNum"> 660 </span> : unsigned diskmax;</a>
<a name="661"><span class="lineNum"> 661 </span> : block_off_t blockcur;</a>
<a name="662"><span class="lineNum"> 662 </span> : unsigned j;</a>
<a name="663"><span class="lineNum"> 663 </span> : void* zero_alloc;</a>
<a name="664"><span class="lineNum"> 664 </span> : void** zero;</a>
<a name="665"><span class="lineNum"> 665 </span> : void* copy_alloc;</a>
<a name="666"><span class="lineNum"> 666 </span> : void** copy;</a>
<a name="667"><span class="lineNum"> 667 </span> : unsigned buffermax;</a>
<a name="668"><span class="lineNum"> 668 </span> : data_off_t countsize;</a>
<a name="669"><span class="lineNum"> 669 </span> : block_off_t countpos;</a>
<a name="670"><span class="lineNum"> 670 </span> : block_off_t countmax;</a>
<a name="671"><span class="lineNum"> 671 </span> : block_off_t autosavedone;</a>
<a name="672"><span class="lineNum"> 672 </span> : block_off_t autosavelimit;</a>
<a name="673"><span class="lineNum"> 673 </span> : block_off_t autosavemissing;</a>
<a name="674"><span class="lineNum"> 674 </span> : int ret;</a>
<a name="675"><span class="lineNum"> 675 </span> : unsigned soft_error;</a>
<a name="676"><span class="lineNum"> 676 </span> : unsigned silent_error;</a>
<a name="677"><span class="lineNum"> 677 </span> : unsigned io_error;</a>
<a name="678"><span class="lineNum"> 678 </span> : time_t now;</a>
<a name="679"><span class="lineNum"> 679 </span> : struct failed_struct* failed;</a>
<a name="680"><span class="lineNum"> 680 </span> : int* failed_map;</a>
<a name="681"><span class="lineNum"> 681 </span> : unsigned l;</a>
<a name="682"><span class="lineNum"> 682 </span> : unsigned* waiting_map;</a>
<a name="683"><span class="lineNum"> 683 </span> : unsigned waiting_mac;</a>
<a name="684"><span class="lineNum"> 684 </span> : char esc_buffer[ESC_MAX];</a>
<a name="685"><span class="lineNum"> 685 </span> : bit_vect_t* block_enabled;</a>
<a name="686"><span class="lineNum"> 686 </span> : </a>
<a name="687"><span class="lineNum"> 687 </span> : /* get the present time */</a>
<a name="688"><span class="lineNum"> 688 </span><span class="lineCov"> 100 : now = time(0);</span></a>
<a name="689"><span class="lineNum"> 689 </span> : </a>
<a name="690"><span class="lineNum"> 690 </span> : /* maps the disks to handles */</a>
<a name="691"><span class="lineNum"> 691 </span><span class="lineCov"> 100 : handle = handle_mapping(state, &amp;diskmax);</span></a>
<a name="692"><span class="lineNum"> 692 </span> : </a>
<a name="693"><span class="lineNum"> 693 </span> : /* rehash buffers */</a>
<a name="694"><span class="lineNum"> 694 </span><span class="lineCov"> 100 : rehandle = malloc_nofail_align(diskmax * sizeof(struct snapraid_rehash), &amp;rehandle_alloc);</span></a>
<a name="695"><span class="lineNum"> 695 </span> : </a>
<a name="696"><span class="lineNum"> 696 </span> : /* we need 1 * data + 1 * parity */</a>
<a name="697"><span class="lineNum"> 697 </span><span class="lineCov"> 100 : buffermax = diskmax + state-&gt;level;</span></a>
<a name="698"><span class="lineNum"> 698 </span> : </a>
<a name="699"><span class="lineNum"> 699 </span> : /* initialize the io threads */</a>
<a name="700"><span class="lineNum"> 700 </span><span class="lineCov"> 100 : io_init(&amp;io, state, state-&gt;opt.io_cache, buffermax, sync_data_reader, handle, diskmax, 0, sync_parity_writer, parity_handle, state-&gt;level);</span></a>
<a name="701"><span class="lineNum"> 701 </span> : </a>
<a name="702"><span class="lineNum"> 702 </span> : /* allocate the copy buffer */</a>
<a name="703"><span class="lineNum"> 703 </span><span class="lineCov"> 100 : copy = malloc_nofail_vector_align(diskmax, diskmax, state-&gt;block_size, &amp;copy_alloc);</span></a>
<a name="704"><span class="lineNum"> 704 </span> : </a>
<a name="705"><span class="lineNum"> 705 </span> : /* allocate and fill the zero buffer */</a>
<a name="706"><span class="lineNum"> 706 </span><span class="lineCov"> 100 : zero = malloc_nofail_align(state-&gt;block_size, &amp;zero_alloc);</span></a>
<a name="707"><span class="lineNum"> 707 </span><span class="lineCov"> 100 : memset(zero, 0, state-&gt;block_size);</span></a>
<a name="708"><span class="lineNum"> 708 </span><span class="lineCov"> 100 : raid_zero(zero);</span></a>
<a name="709"><span class="lineNum"> 709 </span> : </a>
<a name="710"><span class="lineNum"> 710 </span><span class="lineCov"> 100 : failed = malloc_nofail(diskmax * sizeof(struct failed_struct));</span></a>
<a name="711"><span class="lineNum"> 711 </span><span class="lineCov"> 100 : failed_map = malloc_nofail(diskmax * sizeof(unsigned));</span></a>
<a name="712"><span class="lineNum"> 712 </span> : </a>
<a name="713"><span class="lineNum"> 713 </span> : /* possibly waiting disks */</a>
<a name="714"><span class="lineNum"> 714 </span><span class="lineCov"> 100 : waiting_mac = diskmax &gt; RAID_PARITY_MAX ? diskmax : RAID_PARITY_MAX;</span></a>
<a name="715"><span class="lineNum"> 715 </span><span class="lineCov"> 100 : waiting_map = malloc_nofail(waiting_mac * sizeof(unsigned));</span></a>
<a name="716"><span class="lineNum"> 716 </span> : </a>
<a name="717"><span class="lineNum"> 717 </span><span class="lineCov"> 100 : soft_error = 0;</span></a>
<a name="718"><span class="lineNum"> 718 </span><span class="lineCov"> 100 : silent_error = 0;</span></a>
<a name="719"><span class="lineNum"> 719 </span><span class="lineCov"> 100 : io_error = 0;</span></a>
<a name="720"><span class="lineNum"> 720 </span> : </a>
<a name="721"><span class="lineNum"> 721 </span><span class="lineCov"> 100 : msg_progress(&quot;Selecting...\n&quot;);</span></a>
<a name="722"><span class="lineNum"> 722 </span> : </a>
<a name="723"><span class="lineNum"> 723 </span> : /* first count the number of blocks to process */</a>
<a name="724"><span class="lineNum"> 724 </span><span class="lineCov"> 100 : countmax = 0;</span></a>
<a name="725"><span class="lineNum"> 725 </span><span class="lineCov"> 100 : plan.handle_max = diskmax;</span></a>
<a name="726"><span class="lineNum"> 726 </span><span class="lineCov"> 100 : plan.handle_map = handle;</span></a>
<a name="727"><span class="lineNum"> 727 </span><span class="lineCov"> 100 : plan.force_full = state-&gt;opt.force_full;</span></a>
<a name="728"><span class="lineNum"> 728 </span><span class="lineCov"> 100 : block_enabled = calloc_nofail(1, bit_vect_size(blockmax)); /* preinitialize to 0 */</span></a>
<a name="729"><span class="lineNum"> 729 </span><span class="lineCov"> 470814 : for (blockcur = blockstart; blockcur &lt; blockmax; ++blockcur) {</span></a>
<a name="730"><span class="lineNum"> 730 </span><span class="lineCov"> 470714 : if (!block_is_enabled(&amp;plan, blockcur))</span></a>
<a name="731"><span class="lineNum"> 731 </span><span class="lineCov"> 338919 : continue;</span></a>
<a name="732"><span class="lineNum"> 732 </span><span class="lineCov"> 131795 : bit_vect_set(block_enabled, blockcur);</span></a>
<a name="733"><span class="lineNum"> 733 </span><span class="lineCov"> 131795 : ++countmax;</span></a>
<a name="734"><span class="lineNum"> 734 </span> : }</a>
<a name="735"><span class="lineNum"> 735 </span> : </a>
<a name="736"><span class="lineNum"> 736 </span> : /*</a>
<a name="737"><span class="lineNum"> 737 </span> : * Compute the autosave size for all disk, even if not read</a>
<a name="738"><span class="lineNum"> 738 </span> : * this makes sense because the speed should be almost the same</a>
<a name="739"><span class="lineNum"> 739 </span> : * if the disks are read in parallel</a>
<a name="740"><span class="lineNum"> 740 </span> : */</a>
<a name="741"><span class="lineNum"> 741 </span><span class="lineCov"> 100 : autosavelimit = state-&gt;autosave / (diskmax * state-&gt;block_size);</span></a>
<a name="742"><span class="lineNum"> 742 </span><span class="lineCov"> 100 : autosavemissing = countmax; /* blocks to do */</span></a>
<a name="743"><span class="lineNum"> 743 </span><span class="lineCov"> 100 : autosavedone = 0; /* blocks done */</span></a>
<a name="744"><span class="lineNum"> 744 </span> : </a>
<a name="745"><span class="lineNum"> 745 </span> : /* drop until now */</a>
<a name="746"><span class="lineNum"> 746 </span><span class="lineCov"> 100 : state_usage_waste(state);</span></a>
<a name="747"><span class="lineNum"> 747 </span> : </a>
<a name="748"><span class="lineNum"> 748 </span><span class="lineCov"> 100 : countsize = 0;</span></a>
<a name="749"><span class="lineNum"> 749 </span><span class="lineCov"> 100 : countpos = 0;</span></a>
<a name="750"><span class="lineNum"> 750 </span> : </a>
<a name="751"><span class="lineNum"> 751 </span><span class="lineCov"> 100 : msg_progress(&quot;Syncing...\n&quot;);</span></a>
<a name="752"><span class="lineNum"> 752 </span> : </a>
<a name="753"><span class="lineNum"> 753 </span> : /* start all the worker threads */</a>
<a name="754"><span class="lineNum"> 754 </span><span class="lineCov"> 100 : io_start(&amp;io, blockstart, blockmax, block_enabled);</span></a>
<a name="755"><span class="lineNum"> 755 </span> : </a>
<a name="756"><span class="lineNum"> 756 </span><span class="lineCov"> 100 : int alert = state_progress_begin(state, blockstart, blockmax, countmax);</span></a>
<a name="757"><span class="lineNum"> 757 </span><span class="lineCov"> 100 : if (alert &gt; 0)</span></a>
<a name="758"><span class="lineNum"> 758 </span><span class="lineNoCov"> 0 : goto end;</span></a>
<a name="759"><span class="lineNum"> 759 </span><span class="lineCov"> 100 : if (alert &lt; 0)</span></a>
<a name="760"><span class="lineNum"> 760 </span><span class="lineNoCov"> 0 : goto bail;</span></a>
<a name="761"><span class="lineNum"> 761 </span> : </a>
<a name="762"><span class="lineNum"> 762 </span><span class="lineCov"> 131795 : while (1) {</span></a>
<a name="763"><span class="lineNum"> 763 </span> : unsigned failed_count;</a>
<a name="764"><span class="lineNum"> 764 </span> : int error_on_this_block;</a>
<a name="765"><span class="lineNum"> 765 </span> : int silent_error_on_this_block;</a>
<a name="766"><span class="lineNum"> 766 </span> : int io_error_on_this_block;</a>
<a name="767"><span class="lineNum"> 767 </span> : int fixed_error_on_this_block;</a>
<a name="768"><span class="lineNum"> 768 </span> : int parity_needs_to_be_updated;</a>
<a name="769"><span class="lineNum"> 769 </span> : int parity_going_to_be_updated;</a>
<a name="770"><span class="lineNum"> 770 </span> : snapraid_info info;</a>
<a name="771"><span class="lineNum"> 771 </span> : int rehash;</a>
<a name="772"><span class="lineNum"> 772 </span> : void** buffer;</a>
<a name="773"><span class="lineNum"> 773 </span> : int writer_error[IO_WRITER_ERROR_MAX];</a>
<a name="774"><span class="lineNum"> 774 </span> : </a>
<a name="775"><span class="lineNum"> 775 </span> : /* go to the next block */</a>
<a name="776"><span class="lineNum"> 776 </span><span class="lineCov"> 131895 : blockcur = io_read_next(&amp;io, &amp;buffer);</span></a>
<a name="777"><span class="lineNum"> 777 </span><span class="lineCov"> 131895 : if (blockcur &gt;= blockmax)</span></a>
<a name="778"><span class="lineNum"> 778 </span><span class="lineCov"> 100 : break;</span></a>
<a name="779"><span class="lineNum"> 779 </span> : </a>
<a name="780"><span class="lineNum"> 780 </span> : /* until now is scheduling */</a>
<a name="781"><span class="lineNum"> 781 </span><span class="lineCov"> 131795 : state_usage_sched(state);</span></a>
<a name="782"><span class="lineNum"> 782 </span> : </a>
<a name="783"><span class="lineNum"> 783 </span> : /* one more block processed for autosave */</a>
<a name="784"><span class="lineNum"> 784 </span><span class="lineCov"> 131795 : ++autosavedone;</span></a>
<a name="785"><span class="lineNum"> 785 </span><span class="lineCov"> 131795 : --autosavemissing;</span></a>
<a name="786"><span class="lineNum"> 786 </span> : </a>
<a name="787"><span class="lineNum"> 787 </span> : /* by default process the block, and skip it if something goes wrong */</a>
<a name="788"><span class="lineNum"> 788 </span><span class="lineCov"> 131795 : error_on_this_block = 0;</span></a>
<a name="789"><span class="lineNum"> 789 </span><span class="lineCov"> 131795 : silent_error_on_this_block = 0;</span></a>
<a name="790"><span class="lineNum"> 790 </span><span class="lineCov"> 131795 : io_error_on_this_block = 0;</span></a>
<a name="791"><span class="lineNum"> 791 </span><span class="lineCov"> 131795 : fixed_error_on_this_block = 0;</span></a>
<a name="792"><span class="lineNum"> 792 </span> : </a>
<a name="793"><span class="lineNum"> 793 </span> : /* keep track of the number of failed blocks */</a>
<a name="794"><span class="lineNum"> 794 </span><span class="lineCov"> 131795 : failed_count = 0;</span></a>
<a name="795"><span class="lineNum"> 795 </span> : </a>
<a name="796"><span class="lineNum"> 796 </span> : /* get block specific info */</a>
<a name="797"><span class="lineNum"> 797 </span><span class="lineCov"> 131795 : info = info_get(&amp;state-&gt;infoarr, blockcur);</span></a>
<a name="798"><span class="lineNum"> 798 </span> : </a>
<a name="799"><span class="lineNum"> 799 </span> : /* if we have to use the old hash */</a>
<a name="800"><span class="lineNum"> 800 </span><span class="lineCov"> 131795 : rehash = info_get_rehash(info);</span></a>
<a name="801"><span class="lineNum"> 801 </span> : </a>
<a name="802"><span class="lineNum"> 802 </span> : /*</a>
<a name="803"><span class="lineNum"> 803 </span> : * If the parity requires to be updated</a>
<a name="804"><span class="lineNum"> 804 </span> : *</a>
<a name="805"><span class="lineNum"> 805 </span> : * It could happens that all the blocks are EMPTY/BLK and CHG but with the hash</a>
<a name="806"><span class="lineNum"> 806 </span> : * still matching because the specific CHG block was not modified.</a>
<a name="807"><span class="lineNum"> 807 </span> : * In such case, we can avoid to update parity, because it would be the same as before</a>
<a name="808"><span class="lineNum"> 808 </span> : *</a>
<a name="809"><span class="lineNum"> 809 </span> : * Note that if there is any CHG/DELETED blocks already present in the content</a>
<a name="810"><span class="lineNum"> 810 </span> : * file loaded, meaning that there are unsynced_blocks, this optimization is disabled</a>
<a name="811"><span class="lineNum"> 811 </span> : */</a>
<a name="812"><span class="lineNum"> 812 </span><span class="lineCov"> 131795 : parity_needs_to_be_updated = state-&gt;opt.force_full || state-&gt;opt.force_parity_update;</span></a>
<a name="813"><span class="lineNum"> 813 </span> : </a>
<a name="814"><span class="lineNum"> 814 </span> : /* if the parity is going to be updated */</a>
<a name="815"><span class="lineNum"> 815 </span><span class="lineCov"> 131795 : parity_going_to_be_updated = 0;</span></a>
<a name="816"><span class="lineNum"> 816 </span> : </a>
<a name="817"><span class="lineNum"> 817 </span> : /*</a>
<a name="818"><span class="lineNum"> 818 </span> : * If the block is marked as bad, we force the parity update</a>
<a name="819"><span class="lineNum"> 819 </span> : * because the bad block may be the result of a wrong parity</a>
<a name="820"><span class="lineNum"> 820 </span> : */</a>
<a name="821"><span class="lineNum"> 821 </span><span class="lineCov"> 131795 : if (info_get_bad(info))</span></a>
<a name="822"><span class="lineNum"> 822 </span><span class="lineNoCov"> 0 : parity_needs_to_be_updated = 1;</span></a>
<a name="823"><span class="lineNum"> 823 </span> : </a>
<a name="824"><span class="lineNum"> 824 </span> : /* for each disk, process the block */</a>
<a name="825"><span class="lineNum"> 825 </span><span class="lineCov"> 905312 : for (j = 0; j &lt; diskmax; ++j) {</span></a>
<a name="826"><span class="lineNum"> 826 </span> : struct snapraid_task* task;</a>
<a name="827"><span class="lineNum"> 827 </span> : int read_size;</a>
<a name="828"><span class="lineNum"> 828 </span> : unsigned char hash[HASH_MAX];</a>
<a name="829"><span class="lineNum"> 829 </span> : struct snapraid_block* block;</a>
<a name="830"><span class="lineNum"> 830 </span> : unsigned block_state;</a>
<a name="831"><span class="lineNum"> 831 </span> : struct snapraid_disk* disk;</a>
<a name="832"><span class="lineNum"> 832 </span> : struct snapraid_file* file;</a>
<a name="833"><span class="lineNum"> 833 </span> : block_off_t file_pos;</a>
<a name="834"><span class="lineNum"> 834 </span> : unsigned diskcur;</a>
<a name="835"><span class="lineNum"> 835 </span> : </a>
<a name="836"><span class="lineNum"> 836 </span> : /* until now is misc */</a>
<a name="837"><span class="lineNum"> 837 </span><span class="lineCov"> 773517 : state_usage_misc(state);</span></a>
<a name="838"><span class="lineNum"> 838 </span> : </a>
<a name="839"><span class="lineNum"> 839 </span><span class="lineCov"> 773517 : task = io_data_read(&amp;io, &amp;diskcur, waiting_map, &amp;waiting_mac);</span></a>
<a name="840"><span class="lineNum"> 840 </span> : </a>
<a name="841"><span class="lineNum"> 841 </span> : /* until now is disk */</a>
<a name="842"><span class="lineNum"> 842 </span><span class="lineCov"> 773517 : state_usage_disk(state, handle, waiting_map, waiting_mac);</span></a>
<a name="843"><span class="lineNum"> 843 </span> : </a>
<a name="844"><span class="lineNum"> 844 </span> : /* get the results */</a>
<a name="845"><span class="lineNum"> 845 </span><span class="lineCov"> 773517 : disk = task-&gt;disk;</span></a>
<a name="846"><span class="lineNum"> 846 </span><span class="lineCov"> 773517 : block = task-&gt;block;</span></a>
<a name="847"><span class="lineNum"> 847 </span><span class="lineCov"> 773517 : file = task-&gt;file;</span></a>
<a name="848"><span class="lineNum"> 848 </span><span class="lineCov"> 773517 : file_pos = task-&gt;file_pos;</span></a>
<a name="849"><span class="lineNum"> 849 </span><span class="lineCov"> 773517 : read_size = task-&gt;read_size;</span></a>
<a name="850"><span class="lineNum"> 850 </span> : </a>
<a name="851"><span class="lineNum"> 851 </span> : /* by default no rehash in case of &quot;continue&quot; */</a>
<a name="852"><span class="lineNum"> 852 </span><span class="lineCov"> 773517 : rehandle[diskcur].block = 0;</span></a>
<a name="853"><span class="lineNum"> 853 </span> : </a>
<a name="854"><span class="lineNum"> 854 </span> : /* if the disk position is not used */</a>
<a name="855"><span class="lineNum"> 855 </span><span class="lineCov"> 773517 : if (!disk)</span></a>
<a name="856"><span class="lineNum"> 856 </span><span class="lineCov"> 112575 : continue;</span></a>
<a name="857"><span class="lineNum"> 857 </span> : </a>
<a name="858"><span class="lineNum"> 858 </span><span class="lineCov"> 773517 : state_usage_file(state, disk, file);</span></a>
<a name="859"><span class="lineNum"> 859 </span> : </a>
<a name="860"><span class="lineNum"> 860 </span> : /* get the state of the block */</a>
<a name="861"><span class="lineNum"> 861 </span><span class="lineCov"> 773517 : block_state = block_state_get(block);</span></a>
<a name="862"><span class="lineNum"> 862 </span> : </a>
<a name="863"><span class="lineNum"> 863 </span> : /*</a>
<a name="864"><span class="lineNum"> 864 </span> : * If the block has invalid parity,</a>
<a name="865"><span class="lineNum"> 865 </span> : * we have to take care of it in case of recover</a>
<a name="866"><span class="lineNum"> 866 </span> : */</a>
<a name="867"><span class="lineNum"> 867 </span><span class="lineCov"> 773517 : if (block_has_invalid_parity(block)) {</span></a>
<a name="868"><span class="lineNum"> 868 </span> : /*</a>
<a name="869"><span class="lineNum"> 869 </span> : * Store it in the failed set, because</a>
<a name="870"><span class="lineNum"> 870 </span> : * the parity may be still computed with the previous content</a>
<a name="871"><span class="lineNum"> 871 </span> : */</a>
<a name="872"><span class="lineNum"> 872 </span><span class="lineCov"> 188407 : failed[failed_count].index = diskcur;</span></a>
<a name="873"><span class="lineNum"> 873 </span><span class="lineCov"> 188407 : failed[failed_count].size = state-&gt;block_size;</span></a>
<a name="874"><span class="lineNum"> 874 </span><span class="lineCov"> 188407 : failed[failed_count].block = block;</span></a>
<a name="875"><span class="lineNum"> 875 </span><span class="lineCov"> 188407 : ++failed_count;</span></a>
<a name="876"><span class="lineNum"> 876 </span> : </a>
<a name="877"><span class="lineNum"> 877 </span> : /*</a>
<a name="878"><span class="lineNum"> 878 </span> : * If the block has invalid parity, we have to update the parity</a>
<a name="879"><span class="lineNum"> 879 </span> : * to include this block change</a>
<a name="880"><span class="lineNum"> 880 </span> : * This also apply to CHG blocks, but we are going to handle</a>
<a name="881"><span class="lineNum"> 881 </span> : * later this case to do the updates only if really needed</a>
<a name="882"><span class="lineNum"> 882 </span> : */</a>
<a name="883"><span class="lineNum"> 883 </span><span class="lineCov"> 188407 : if (block_state != BLOCK_STATE_CHG)</span></a>
<a name="884"><span class="lineNum"> 884 </span><span class="lineCov"> 90630 : parity_needs_to_be_updated = 1;</span></a>
<a name="885"><span class="lineNum"> 885 </span> : </a>
<a name="886"><span class="lineNum"> 886 </span> : /*</a>
<a name="887"><span class="lineNum"> 887 </span> : * Note that DELETE blocks are skipped in the next check</a>
<a name="888"><span class="lineNum"> 888 </span> : * and we have to store them in the failed blocks</a>
<a name="889"><span class="lineNum"> 889 </span> : * before skipping</a>
<a name="890"><span class="lineNum"> 890 </span> : */</a>
<a name="891"><span class="lineNum"> 891 </span> : </a>
<a name="892"><span class="lineNum"> 892 </span> : /* follow */</a>
<a name="893"><span class="lineNum"> 893 </span> : }</a>
<a name="894"><span class="lineNum"> 894 </span> : </a>
<a name="895"><span class="lineNum"> 895 </span> : /* if the block is not used */</a>
<a name="896"><span class="lineNum"> 896 </span><span class="lineCov"> 773517 : if (!block_has_file(block))</span></a>
<a name="897"><span class="lineNum"> 897 </span><span class="lineCov"> 111704 : continue;</span></a>
<a name="898"><span class="lineNum"> 898 </span> : </a>
<a name="899"><span class="lineNum"> 899 </span> : /* handle error conditions */</a>
<a name="900"><span class="lineNum"> 900 </span><span class="lineCov"> 661813 : if (task-&gt;state == TASK_STATE_IOERROR) {</span></a>
<a name="901"><span class="lineNum"> 901 </span> : /* LCOV_EXCL_START */</a>
<a name="902"><span class="lineNum"> 902 </span> : ++io_error;</a>
<a name="903"><span class="lineNum"> 903 </span> : goto bail;</a>
<a name="904"><span class="lineNum"> 904 </span> : /* LCOV_EXCL_STOP */</a>
<a name="905"><span class="lineNum"> 905 </span> : }</a>
<a name="906"><span class="lineNum"> 906 </span><span class="lineCov"> 661813 : if (task-&gt;state == TASK_STATE_ERROR) {</span></a>
<a name="907"><span class="lineNum"> 907 </span> : /* LCOV_EXCL_START */</a>
<a name="908"><span class="lineNum"> 908 </span> : ++soft_error;</a>
<a name="909"><span class="lineNum"> 909 </span> : goto bail;</a>
<a name="910"><span class="lineNum"> 910 </span> : /* LCOV_EXCL_STOP */</a>
<a name="911"><span class="lineNum"> 911 </span> : }</a>
<a name="912"><span class="lineNum"> 912 </span><span class="lineCov"> 661813 : if (task-&gt;state == TASK_STATE_ERROR_CONTINUE) {</span></a>
<a name="913"><span class="lineNum"> 913 </span><span class="lineCov"> 18 : ++soft_error;</span></a>
<a name="914"><span class="lineNum"> 914 </span><span class="lineCov"> 18 : error_on_this_block = 1;</span></a>
<a name="915"><span class="lineNum"> 915 </span><span class="lineCov"> 18 : continue;</span></a>
<a name="916"><span class="lineNum"> 916 </span> : }</a>
<a name="917"><span class="lineNum"> 917 </span><span class="lineCov"> 661795 : if (task-&gt;state == TASK_STATE_IOERROR_CONTINUE) {</span></a>
<a name="918"><span class="lineNum"> 918 </span><span class="lineNoCov"> 0 : ++io_error;</span></a>
<a name="919"><span class="lineNum"> 919 </span><span class="lineNoCov"> 0 : if (io_error &gt;= state-&gt;opt.io_error_limit) {</span></a>
<a name="920"><span class="lineNum"> 920 </span> : /* LCOV_EXCL_START */</a>
<a name="921"><span class="lineNum"> 921 </span> : log_fatal(EIO, &quot;DANGER! Too many input/output errors in the %s disk. It isn't possible to continue.\n&quot;, disk-&gt;dir);</a>
<a name="922"><span class="lineNum"> 922 </span> : log_fatal(EIO, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="923"><span class="lineNum"> 923 </span> : goto bail;</a>
<a name="924"><span class="lineNum"> 924 </span> : /* LCOV_EXCL_STOP */</a>
<a name="925"><span class="lineNum"> 925 </span> : }</a>
<a name="926"><span class="lineNum"> 926 </span> : </a>
<a name="927"><span class="lineNum"> 927 </span> : /* otherwise continue */</a>
<a name="928"><span class="lineNum"> 928 </span><span class="lineNoCov"> 0 : io_error_on_this_block = 1;</span></a>
<a name="929"><span class="lineNum"> 929 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="930"><span class="lineNum"> 930 </span> : }</a>
<a name="931"><span class="lineNum"> 931 </span><span class="lineCov"> 661795 : if (task-&gt;state != TASK_STATE_DONE) {</span></a>
<a name="932"><span class="lineNum"> 932 </span> : /* LCOV_EXCL_START */</a>
<a name="933"><span class="lineNum"> 933 </span> : log_fatal(EINTERNAL, &quot;Internal inconsistency in task state\n&quot;);</a>
<a name="934"><span class="lineNum"> 934 </span> : os_abort();</a>
<a name="935"><span class="lineNum"> 935 </span> : /* LCOV_EXCL_STOP */</a>
<a name="936"><span class="lineNum"> 936 </span> : }</a>
<a name="937"><span class="lineNum"> 937 </span> : </a>
<a name="938"><span class="lineNum"> 938 </span><span class="lineCov"> 661795 : countsize += read_size;</span></a>
<a name="939"><span class="lineNum"> 939 </span> : </a>
<a name="940"><span class="lineNum"> 940 </span> : /* now compute the hash */</a>
<a name="941"><span class="lineNum"> 941 </span><span class="lineCov"> 661795 : if (rehash) {</span></a>
<a name="942"><span class="lineNum"> 942 </span><span class="lineCov"> 27200 : memhash(state-&gt;prevhash, state-&gt;prevhashseed, hash, buffer[diskcur], read_size);</span></a>
<a name="943"><span class="lineNum"> 943 </span> : </a>
<a name="944"><span class="lineNum"> 944 </span> : /* compute the new hash, and store it */</a>
<a name="945"><span class="lineNum"> 945 </span><span class="lineCov"> 27200 : rehandle[diskcur].block = block;</span></a>
<a name="946"><span class="lineNum"> 946 </span><span class="lineCov"> 27200 : memhash(state-&gt;hash, state-&gt;hashseed, rehandle[diskcur].hash, buffer[diskcur], read_size);</span></a>
<a name="947"><span class="lineNum"> 947 </span> : } else {</a>
<a name="948"><span class="lineNum"> 948 </span><span class="lineCov"> 634595 : memhash(state-&gt;hash, state-&gt;hashseed, hash, buffer[diskcur], read_size);</span></a>
<a name="949"><span class="lineNum"> 949 </span> : }</a>
<a name="950"><span class="lineNum"> 950 </span> : </a>
<a name="951"><span class="lineNum"> 951 </span> : /* until now is hash */</a>
<a name="952"><span class="lineNum"> 952 </span><span class="lineCov"> 661795 : state_usage_hash(state);</span></a>
<a name="953"><span class="lineNum"> 953 </span> : </a>
<a name="954"><span class="lineNum"> 954 </span><span class="lineCov"> 661795 : if (block_has_updated_hash(block)) {</span></a>
<a name="955"><span class="lineNum"> 955 </span> : /* compare the hash */</a>
<a name="956"><span class="lineNum"> 956 </span><span class="lineCov"> 564036 : if (memcmp(hash, block-&gt;hash, BLOCK_HASH_SIZE) != 0) {</span></a>
<a name="957"><span class="lineNum"> 957 </span> : /* if the file has invalid parity, it's a REP changed during the sync */</a>
<a name="958"><span class="lineNum"> 958 </span><span class="lineCov"> 853 : if (block_has_invalid_parity(block)) {</span></a>
<a name="959"><span class="lineNum"> 959 </span><span class="lineCov"> 1 : log_tag(&quot;error:%u:%s:%s: Unexpected data change\n&quot;, blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer));</span></a>
<a name="960"><span class="lineNum"> 960 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;Data change at file '%s' at position '%u'\n&quot;, task-&gt;path, file_pos);</span></a>
<a name="961"><span class="lineNum"> 961 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;WARNING! Unexpected data modification of a file without parity!\n&quot;);</span></a>
<a name="962"><span class="lineNum"> 962 </span> : </a>
<a name="963"><span class="lineNum"> 963 </span><span class="lineCov"> 1 : if (file_flag_has(file, FILE_IS_COPY)) {</span></a>
<a name="964"><span class="lineNum"> 964 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;This file was detected as a copy of another file with the same name, size,\n&quot;);</span></a>
<a name="965"><span class="lineNum"> 965 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;and timestamp, but the file data isn't matching the assumed copy.\n&quot;);</span></a>
<a name="966"><span class="lineNum"> 966 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;If this is a false positive, and the files are expected to be different,\n&quot;);</span></a>
<a name="967"><span class="lineNum"> 967 </span><span class="lineCov"> 1 : log_error(ESOFT, &quot;you can 'sync' anyway using 'snapraid --force-nocopy sync'\n&quot;);</span></a>
<a name="968"><span class="lineNum"> 968 </span> : } else {</a>
<a name="969"><span class="lineNum"> 969 </span><span class="lineNoCov"> 0 : log_error(ESOFT, &quot;Try removing the file from the array and rerun the 'sync' command!\n&quot;);</span></a>
<a name="970"><span class="lineNum"> 970 </span> : }</a>
<a name="971"><span class="lineNum"> 971 </span> : </a>
<a name="972"><span class="lineNum"> 972 </span><span class="lineCov"> 1 : ++soft_error;</span></a>
<a name="973"><span class="lineNum"> 973 </span> : </a>
<a name="974"><span class="lineNum"> 974 </span> : /*</a>
<a name="975"><span class="lineNum"> 975 </span> : * If the file is changed, it means that it was modified during sync</a>
<a name="976"><span class="lineNum"> 976 </span> : * this isn't a serious error, so we skip this block, and continue with others</a>
<a name="977"><span class="lineNum"> 977 </span> : */</a>
<a name="978"><span class="lineNum"> 978 </span><span class="lineCov"> 1 : error_on_this_block = 1;</span></a>
<a name="979"><span class="lineNum"> 979 </span><span class="lineCov"> 1 : continue;</span></a>
<a name="980"><span class="lineNum"> 980 </span><span class="lineCov"> 852 : } else { /* otherwise it's a BLK with silent error */</span></a>
<a name="981"><span class="lineNum"> 981 </span><span class="lineCov"> 852 : unsigned diff = memdiff(hash, block-&gt;hash, BLOCK_HASH_SIZE);</span></a>
<a name="982"><span class="lineNum"> 982 </span><span class="lineCov"> 852 : log_tag(&quot;error_data:%u:%s:%s: Data error at position %u, diff hash bits %u/%u\n&quot;, blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer), file_pos, diff, BLOCK_HASH_SIZE * 8);</span></a>
<a name="983"><span class="lineNum"> 983 </span><span class="lineCov"> 852 : log_error(EDATA, &quot;Data error in file '%s' at position '%u', diff hash bits %u/%u\n&quot;, task-&gt;path, file_pos, diff, BLOCK_HASH_SIZE * 8);</span></a>
<a name="984"><span class="lineNum"> 984 </span> : </a>
<a name="985"><span class="lineNum"> 985 </span> : /* save the failed block for the fix */</a>
<a name="986"><span class="lineNum"> 986 </span><span class="lineCov"> 852 : failed[failed_count].index = diskcur;</span></a>
<a name="987"><span class="lineNum"> 987 </span><span class="lineCov"> 852 : failed[failed_count].size = read_size;</span></a>
<a name="988"><span class="lineNum"> 988 </span><span class="lineCov"> 852 : failed[failed_count].block = block;</span></a>
<a name="989"><span class="lineNum"> 989 </span><span class="lineCov"> 852 : ++failed_count;</span></a>
<a name="990"><span class="lineNum"> 990 </span> : </a>
<a name="991"><span class="lineNum"> 991 </span> : /*</a>
<a name="992"><span class="lineNum"> 992 </span> : * Silent errors are very rare, and are not a signal that a disk</a>
<a name="993"><span class="lineNum"> 993 </span> : * is going to fail. So, we just continue marking the block as bad</a>
<a name="994"><span class="lineNum"> 994 </span> : * just like in scrub</a>
<a name="995"><span class="lineNum"> 995 </span> : */</a>
<a name="996"><span class="lineNum"> 996 </span><span class="lineCov"> 852 : ++silent_error;</span></a>
<a name="997"><span class="lineNum"> 997 </span><span class="lineCov"> 852 : silent_error_on_this_block = 1;</span></a>
<a name="998"><span class="lineNum"> 998 </span><span class="lineCov"> 852 : continue;</span></a>
<a name="999"><span class="lineNum"> 999 </span> : }</a>
<a name="1000"><span class="lineNum"> 1000 </span> : }</a>
<a name="1001"><span class="lineNum"> 1001 </span> : } else {</a>
<a name="1002"><span class="lineNum"> 1002 </span> : /* if until now the parity doesn't need to be updated */</a>
<a name="1003"><span class="lineNum"> 1003 </span><span class="lineCov"> 97759 : if (!parity_needs_to_be_updated) {</span></a>
<a name="1004"><span class="lineNum"> 1004 </span> : /*</a>
<a name="1005"><span class="lineNum"> 1005 </span> : * For sure it's a CHG block, because EMPTY are processed before with &quot;continue&quot;</a>
<a name="1006"><span class="lineNum"> 1006 </span> : * and BLK and REP have &quot;block_has_updated_hash()&quot; as 1, and all the others</a>
<a name="1007"><span class="lineNum"> 1007 </span> : * have &quot;parity_needs_to_be_updated&quot; already at 1</a>
<a name="1008"><span class="lineNum"> 1008 </span> : */</a>
<a name="1009"><span class="lineNum"> 1009 </span><span class="lineCov"> 37374 : assert(block_state_get(block) == BLOCK_STATE_CHG);</span></a>
<a name="1010"><span class="lineNum"> 1010 </span> : </a>
<a name="1011"><span class="lineNum"> 1011 </span> : /*</a>
<a name="1012"><span class="lineNum"> 1012 </span> : * When a sync is interrupted, the state of the parity is unknown becase</a>
<a name="1013"><span class="lineNum"> 1013 </span> : * we don't know exactly where the process stopped.</a>
<a name="1014"><span class="lineNum"> 1014 </span> : *</a>
<a name="1015"><span class="lineNum"> 1015 </span> : * This means that the hash information of the OLD blocks stored in the</a>
<a name="1016"><span class="lineNum"> 1016 </span> : * content file for CHG/DELETED blocks may be correct or not.</a>
<a name="1017"><span class="lineNum"> 1017 </span> : *</a>
<a name="1018"><span class="lineNum"> 1018 </span> : * The sync process uses the hash of CHG blocks to decide if the parity has to be</a>
<a name="1019"><span class="lineNum"> 1019 </span> : * recomputed, avoiding the recomputation if the input data is the same as before.</a>
<a name="1020"><span class="lineNum"> 1020 </span> : * But in case of an interrupted sync we cannot trust this data, so we</a>
<a name="1021"><span class="lineNum"> 1021 </span> : * disable this optimization if there are unsynced blocks.</a>
<a name="1022"><span class="lineNum"> 1022 </span> : *</a>
<a name="1023"><span class="lineNum"> 1023 </span> : * Note that CHG blocks may be from reading the content file, or from</a>
<a name="1024"><span class="lineNum"> 1024 </span> : * scanning the disk for really changed file, like with a different timestamp.</a>
<a name="1025"><span class="lineNum"> 1025 </span> : *</a>
<a name="1026"><span class="lineNum"> 1026 </span> : * An example for CHG blocks is:</a>
<a name="1027"><span class="lineNum"> 1027 </span> : * - One file is added creating a CHG block with ZERO state</a>
<a name="1028"><span class="lineNum"> 1028 </span> : * - Sync aborted after updating the parity to the new state,</a>
<a name="1029"><span class="lineNum"> 1029 </span> : * but without saving the content file representing this new BLK state.</a>
<a name="1030"><span class="lineNum"> 1030 </span> : * - File is now deleted after the aborted sync</a>
<a name="1031"><span class="lineNum"> 1031 </span> : * - Sync again, deleting the blocks over the CHG ones</a>
<a name="1032"><span class="lineNum"> 1032 </span> : * with the hash of CHG blocks not representing the real parity state</a>
<a name="1033"><span class="lineNum"> 1033 </span> : *</a>
<a name="1034"><span class="lineNum"> 1034 </span> : * An example for DELETED blocks is:</a>
<a name="1035"><span class="lineNum"> 1035 </span> : * - One file is deleted creating DELETED blocks</a>
<a name="1036"><span class="lineNum"> 1036 </span> : * - Sync aborted after, updating the parity to the new state,</a>
<a name="1037"><span class="lineNum"> 1037 </span> : * but without saving the content file representing this new EMPTY state.</a>
<a name="1038"><span class="lineNum"> 1038 </span> : * - Another file is added again over the DELETE ones</a>
<a name="1039"><span class="lineNum"> 1039 </span> : * with the hash of DELETED blocks not representing the real parity state</a>
<a name="1040"><span class="lineNum"> 1040 </span> : */</a>
<a name="1041"><span class="lineNum"> 1041 </span> : </a>
<a name="1042"><span class="lineNum"> 1042 </span> : /* if the previous sync was completed and the hash represents the data unequivocally */</a>
<a name="1043"><span class="lineNum"> 1043 </span><span class="lineCov"> 37374 : if (state-&gt;unsynced_blocks == 0 &amp;&amp; hash_is_unique(block-&gt;hash)) {</span></a>
<a name="1044"><span class="lineNum"> 1044 </span> : /* check if the hash is changed */</a>
<a name="1045"><span class="lineNum"> 1045 </span><span class="lineNoCov"> 0 : if (memcmp(hash, block-&gt;hash, BLOCK_HASH_SIZE) != 0) {</span></a>
<a name="1046"><span class="lineNum"> 1046 </span> : /* the block is different, and we must update parity */</a>
<a name="1047"><span class="lineNum"> 1047 </span><span class="lineNoCov"> 0 : parity_needs_to_be_updated = 1;</span></a>
<a name="1048"><span class="lineNum"> 1048 </span> : }</a>
<a name="1049"><span class="lineNum"> 1049 </span> : } else {</a>
<a name="1050"><span class="lineNum"> 1050 </span> : /* if we don't know the hash, always update parity */</a>
<a name="1051"><span class="lineNum"> 1051 </span><span class="lineCov"> 37374 : parity_needs_to_be_updated = 1;</span></a>
<a name="1052"><span class="lineNum"> 1052 </span> : }</a>
<a name="1053"><span class="lineNum"> 1053 </span> : }</a>
<a name="1054"><span class="lineNum"> 1054 </span> : </a>
<a name="1055"><span class="lineNum"> 1055 </span> : /*</a>
<a name="1056"><span class="lineNum"> 1056 </span> : * Copy the hash in the block, but doesn't mark the block as hashed</a>
<a name="1057"><span class="lineNum"> 1057 </span> : * this allow in case of skipped block to do not save the failed computation</a>
<a name="1058"><span class="lineNum"> 1058 </span> : */</a>
<a name="1059"><span class="lineNum"> 1059 </span><span class="lineCov"> 97759 : memcpy(block-&gt;hash, hash, BLOCK_HASH_SIZE);</span></a>
<a name="1060"><span class="lineNum"> 1060 </span> : </a>
<a name="1061"><span class="lineNum"> 1061 </span> : /*</a>
<a name="1062"><span class="lineNum"> 1062 </span> : * Note that in case of rehash, this is the wrong hash,</a>
<a name="1063"><span class="lineNum"> 1063 </span> : * but it will be overwritten later</a>
<a name="1064"><span class="lineNum"> 1064 </span> : */</a>
<a name="1065"><span class="lineNum"> 1065 </span> : }</a>
<a name="1066"><span class="lineNum"> 1066 </span> : }</a>
<a name="1067"><span class="lineNum"> 1067 </span> : </a>
<a name="1068"><span class="lineNum"> 1068 </span> : /*</a>
<a name="1069"><span class="lineNum"> 1069 </span> : * If we have only silent errors we can try to fix them on-the-fly</a>
<a name="1070"><span class="lineNum"> 1070 </span> : * note the fix is not written to disk, but used only to</a>
<a name="1071"><span class="lineNum"> 1071 </span> : * compute the new parity</a>
<a name="1072"><span class="lineNum"> 1072 </span> : */</a>
<a name="1073"><span class="lineNum"> 1073 </span><span class="lineCov"> 131795 : if (!error_on_this_block &amp;&amp; !io_error_on_this_block &amp;&amp; silent_error_on_this_block) {</span></a>
<a name="1074"><span class="lineNum"> 1074 </span> : unsigned failed_mac;</a>
<a name="1075"><span class="lineNum"> 1075 </span><span class="lineCov"> 852 : int something_to_recover = 0;</span></a>
<a name="1076"><span class="lineNum"> 1076 </span> : </a>
<a name="1077"><span class="lineNum"> 1077 </span> : /*</a>
<a name="1078"><span class="lineNum"> 1078 </span> : * Sort the failed vector</a>
<a name="1079"><span class="lineNum"> 1079 </span> : * because with threads it may be in any order</a>
<a name="1080"><span class="lineNum"> 1080 </span> : * but RAID requires the indexes to be sorted</a>
<a name="1081"><span class="lineNum"> 1081 </span> : */</a>
<a name="1082"><span class="lineNum"> 1082 </span><span class="lineCov"> 852 : qsort(failed, failed_count, sizeof(failed[0]), failed_compare_by_index);</span></a>
<a name="1083"><span class="lineNum"> 1083 </span> : </a>
<a name="1084"><span class="lineNum"> 1084 </span> : /* setup the blocks to recover */</a>
<a name="1085"><span class="lineNum"> 1085 </span><span class="lineCov"> 852 : failed_mac = 0;</span></a>
<a name="1086"><span class="lineNum"> 1086 </span><span class="lineCov"> 2556 : for (j = 0; j &lt; failed_count; ++j) {</span></a>
<a name="1087"><span class="lineNum"> 1087 </span><span class="lineCov"> 1704 : unsigned char* block_buffer = buffer[failed[j].index];</span></a>
<a name="1088"><span class="lineNum"> 1088 </span><span class="lineCov"> 1704 : unsigned char* block_copy = copy[failed[j].index];</span></a>
<a name="1089"><span class="lineNum"> 1089 </span><span class="lineCov"> 1704 : unsigned block_state = block_state_get(failed[j].block);</span></a>
<a name="1090"><span class="lineNum"> 1090 </span> : </a>
<a name="1091"><span class="lineNum"> 1091 </span> : /* we try to recover only if at least one BLK is present */</a>
<a name="1092"><span class="lineNum"> 1092 </span><span class="lineCov"> 1704 : if (block_state == BLOCK_STATE_BLK)</span></a>
<a name="1093"><span class="lineNum"> 1093 </span><span class="lineCov"> 852 : something_to_recover = 1;</span></a>
<a name="1094"><span class="lineNum"> 1094 </span> : </a>
<a name="1095"><span class="lineNum"> 1095 </span> : /*</a>
<a name="1096"><span class="lineNum"> 1096 </span> : * Save a copy of the content just read</a>
<a name="1097"><span class="lineNum"> 1097 </span> : * that it's going to be overwritten by the recovering function</a>
<a name="1098"><span class="lineNum"> 1098 </span> : */</a>
<a name="1099"><span class="lineNum"> 1099 </span><span class="lineCov"> 1704 : memcpy(block_copy, block_buffer, state-&gt;block_size);</span></a>
<a name="1100"><span class="lineNum"> 1100 </span> : </a>
<a name="1101"><span class="lineNum"> 1101 </span><span class="lineCov"> 1704 : if (block_state == BLOCK_STATE_CHG</span></a>
<a name="1102"><span class="lineNum"> 1102 </span><span class="lineCov"> 852 : &amp;&amp; hash_is_zero(failed[j].block-&gt;hash)</span></a>
<a name="1103"><span class="lineNum"> 1103 </span> : ) {</a>
<a name="1104"><span class="lineNum"> 1104 </span> : /*</a>
<a name="1105"><span class="lineNum"> 1105 </span> : * If the block was filled with 0, restore this state</a>
<a name="1106"><span class="lineNum"> 1106 </span> : * and avoid to recover it</a>
<a name="1107"><span class="lineNum"> 1107 </span> : */</a>
<a name="1108"><span class="lineNum"> 1108 </span><span class="lineNoCov"> 0 : memset(block_buffer, 0, state-&gt;block_size);</span></a>
<a name="1109"><span class="lineNum"> 1109 </span> : } else {</a>
<a name="1110"><span class="lineNum"> 1110 </span> : /* if we have too many failures, we cannot recover */</a>
<a name="1111"><span class="lineNum"> 1111 </span><span class="lineCov"> 1704 : if (failed_mac &gt;= state-&gt;level)</span></a>
<a name="1112"><span class="lineNum"> 1112 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="1113"><span class="lineNum"> 1113 </span> : </a>
<a name="1114"><span class="lineNum"> 1114 </span> : /* otherwise it has to be recovered */</a>
<a name="1115"><span class="lineNum"> 1115 </span><span class="lineCov"> 1704 : failed_map[failed_mac++] = failed[j].index;</span></a>
<a name="1116"><span class="lineNum"> 1116 </span> : }</a>
<a name="1117"><span class="lineNum"> 1117 </span> : }</a>
<a name="1118"><span class="lineNum"> 1118 </span> : </a>
<a name="1119"><span class="lineNum"> 1119 </span> : /* if we have something to recover and enough parity */</a>
<a name="1120"><span class="lineNum"> 1120 </span><span class="lineCov"> 852 : if (something_to_recover &amp;&amp; j == failed_count) {</span></a>
<a name="1121"><span class="lineNum"> 1121 </span> : /* until now is misc */</a>
<a name="1122"><span class="lineNum"> 1122 </span><span class="lineCov"> 852 : state_usage_misc(state);</span></a>
<a name="1123"><span class="lineNum"> 1123 </span> : </a>
<a name="1124"><span class="lineNum"> 1124 </span> : /*</a>
<a name="1125"><span class="lineNum"> 1125 </span> : * Read the parity</a>
<a name="1126"><span class="lineNum"> 1126 </span> : * we are sure that parity exists because</a>
<a name="1127"><span class="lineNum"> 1127 </span> : * we have at least one BLK block</a>
<a name="1128"><span class="lineNum"> 1128 </span> : */</a>
<a name="1129"><span class="lineNum"> 1129 </span><span class="lineCov"> 5964 : for (l = 0; l &lt; state-&gt;level; ++l) {</span></a>
<a name="1130"><span class="lineNum"> 1130 </span><span class="lineCov"> 5112 : ret = parity_read(&amp;parity_handle[l], blockcur, buffer[diskmax + l], state-&gt;block_size, log_error);</span></a>
<a name="1131"><span class="lineNum"> 1131 </span><span class="lineCov"> 5112 : if (ret == -1) {</span></a>
<a name="1132"><span class="lineNum"> 1132 </span> : /* LCOV_EXCL_START */</a>
<a name="1133"><span class="lineNum"> 1133 </span> : log_tag(&quot;parity_%s:%u:%s: Read error. %s.\n&quot;, es(errno), blockcur, lev_config_name(l), strerror(errno));</a>
<a name="1134"><span class="lineNum"> 1134 </span> : if (is_hw(errno)) {</a>
<a name="1135"><span class="lineNum"> 1135 </span> : log_error_errno(errno, lev_config_name(l));</a>
<a name="1136"><span class="lineNum"> 1136 </span> : if (io_error &gt;= state-&gt;opt.io_error_limit) {</a>
<a name="1137"><span class="lineNum"> 1137 </span> : log_fatal(errno, &quot;DANGER! Too many input/output errors in the %s disk. It isn't possible to continue.\n&quot;, lev_config_name(l));</a>
<a name="1138"><span class="lineNum"> 1138 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="1139"><span class="lineNum"> 1139 </span> : ++io_error;</a>
<a name="1140"><span class="lineNum"> 1140 </span> : goto bail;</a>
<a name="1141"><span class="lineNum"> 1141 </span> : }</a>
<a name="1142"><span class="lineNum"> 1142 </span> : </a>
<a name="1143"><span class="lineNum"> 1143 </span> : ++io_error;</a>
<a name="1144"><span class="lineNum"> 1144 </span> : io_error_on_this_block = 1;</a>
<a name="1145"><span class="lineNum"> 1145 </span> : continue;</a>
<a name="1146"><span class="lineNum"> 1146 </span> : }</a>
<a name="1147"><span class="lineNum"> 1147 </span> : </a>
<a name="1148"><span class="lineNum"> 1148 </span> : log_fatal_errno(errno, lev_config_name(l));</a>
<a name="1149"><span class="lineNum"> 1149 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="1150"><span class="lineNum"> 1150 </span> : ++soft_error;</a>
<a name="1151"><span class="lineNum"> 1151 </span> : goto bail;</a>
<a name="1152"><span class="lineNum"> 1152 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1153"><span class="lineNum"> 1153 </span> : }</a>
<a name="1154"><span class="lineNum"> 1154 </span> : </a>
<a name="1155"><span class="lineNum"> 1155 </span> : /* until now is parity */</a>
<a name="1156"><span class="lineNum"> 1156 </span><span class="lineCov"> 5112 : state_usage_parity(state, &amp;l, 1);</span></a>
<a name="1157"><span class="lineNum"> 1157 </span> : }</a>
<a name="1158"><span class="lineNum"> 1158 </span> : </a>
<a name="1159"><span class="lineNum"> 1159 </span> : /* if no error in parity read */</a>
<a name="1160"><span class="lineNum"> 1160 </span><span class="lineCov"> 852 : if (!io_error_on_this_block) {</span></a>
<a name="1161"><span class="lineNum"> 1161 </span> : /*</a>
<a name="1162"><span class="lineNum"> 1162 </span> : * Try to fix the data</a>
<a name="1163"><span class="lineNum"> 1163 </span> : * note that this is a simple fix algorithm, that doesn't take into</a>
<a name="1164"><span class="lineNum"> 1164 </span> : * account the case of a wrong parity</a>
<a name="1165"><span class="lineNum"> 1165 </span> : * only 'fix' supports the most advanced fixing</a>
<a name="1166"><span class="lineNum"> 1166 </span> : */</a>
<a name="1167"><span class="lineNum"> 1167 </span><span class="lineCov"> 852 : raid_rec(failed_mac, failed_map, diskmax, state-&gt;level, state-&gt;block_size, buffer);</span></a>
<a name="1168"><span class="lineNum"> 1168 </span> : </a>
<a name="1169"><span class="lineNum"> 1169 </span> : /* until now is raid */</a>
<a name="1170"><span class="lineNum"> 1170 </span><span class="lineCov"> 852 : state_usage_raid(state);</span></a>
<a name="1171"><span class="lineNum"> 1171 </span> : </a>
<a name="1172"><span class="lineNum"> 1172 </span> : /* check the result and prepare the data */</a>
<a name="1173"><span class="lineNum"> 1173 </span><span class="lineCov"> 2556 : for (j = 0; j &lt; failed_count; ++j) {</span></a>
<a name="1174"><span class="lineNum"> 1174 </span> : unsigned char hash[HASH_MAX];</a>
<a name="1175"><span class="lineNum"> 1175 </span><span class="lineCov"> 1704 : unsigned char* block_buffer = buffer[failed[j].index];</span></a>
<a name="1176"><span class="lineNum"> 1176 </span><span class="lineCov"> 1704 : unsigned char* block_copy = copy[failed[j].index];</span></a>
<a name="1177"><span class="lineNum"> 1177 </span><span class="lineCov"> 1704 : unsigned block_state = block_state_get(failed[j].block);</span></a>
<a name="1178"><span class="lineNum"> 1178 </span> : </a>
<a name="1179"><span class="lineNum"> 1179 </span><span class="lineCov"> 1704 : if (block_state == BLOCK_STATE_BLK) {</span></a>
<a name="1180"><span class="lineNum"> 1180 </span><span class="lineCov"> 852 : unsigned size = failed[j].size;</span></a>
<a name="1181"><span class="lineNum"> 1181 </span> : </a>
<a name="1182"><span class="lineNum"> 1182 </span> : /* compute the hash of the recovered block */</a>
<a name="1183"><span class="lineNum"> 1183 </span><span class="lineCov"> 852 : if (rehash) {</span></a>
<a name="1184"><span class="lineNum"> 1184 </span><span class="lineNoCov"> 0 : memhash(state-&gt;prevhash, state-&gt;prevhashseed, hash, block_buffer, size);</span></a>
<a name="1185"><span class="lineNum"> 1185 </span> : } else {</a>
<a name="1186"><span class="lineNum"> 1186 </span><span class="lineCov"> 852 : memhash(state-&gt;hash, state-&gt;hashseed, hash, block_buffer, size);</span></a>
<a name="1187"><span class="lineNum"> 1187 </span> : }</a>
<a name="1188"><span class="lineNum"> 1188 </span> : </a>
<a name="1189"><span class="lineNum"> 1189 </span> : /* until now is hash */</a>
<a name="1190"><span class="lineNum"> 1190 </span><span class="lineCov"> 852 : state_usage_hash(state);</span></a>
<a name="1191"><span class="lineNum"> 1191 </span> : </a>
<a name="1192"><span class="lineNum"> 1192 </span> : /* if the hash doesn't match */</a>
<a name="1193"><span class="lineNum"> 1193 </span><span class="lineCov"> 852 : if (memcmp(hash, failed[j].block-&gt;hash, BLOCK_HASH_SIZE) != 0) {</span></a>
<a name="1194"><span class="lineNum"> 1194 </span> : /* we have not recovered */</a>
<a name="1195"><span class="lineNum"> 1195 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="1196"><span class="lineNum"> 1196 </span> : }</a>
<a name="1197"><span class="lineNum"> 1197 </span> : </a>
<a name="1198"><span class="lineNum"> 1198 </span> : /* pad with 0 if needed */</a>
<a name="1199"><span class="lineNum"> 1199 </span><span class="lineCov"> 852 : if (size &lt; state-&gt;block_size)</span></a>
<a name="1200"><span class="lineNum"> 1200 </span><span class="lineCov"> 341 : memset(block_buffer + size, 0, state-&gt;block_size - size);</span></a>
<a name="1201"><span class="lineNum"> 1201 </span> : } else {</a>
<a name="1202"><span class="lineNum"> 1202 </span> : /*</a>
<a name="1203"><span class="lineNum"> 1203 </span> : * Otherwise restore the content</a>
<a name="1204"><span class="lineNum"> 1204 </span> : * because we are not interested in the old state</a>
<a name="1205"><span class="lineNum"> 1205 </span> : * that it's recovered for CHG, REP and DELETED blocks</a>
<a name="1206"><span class="lineNum"> 1206 </span> : */</a>
<a name="1207"><span class="lineNum"> 1207 </span><span class="lineCov"> 852 : memcpy(block_buffer, block_copy, state-&gt;block_size);</span></a>
<a name="1208"><span class="lineNum"> 1208 </span> : }</a>
<a name="1209"><span class="lineNum"> 1209 </span> : }</a>
<a name="1210"><span class="lineNum"> 1210 </span> : </a>
<a name="1211"><span class="lineNum"> 1211 </span> : /* if all is processed, we have fixed it */</a>
<a name="1212"><span class="lineNum"> 1212 </span><span class="lineCov"> 852 : if (j == failed_count)</span></a>
<a name="1213"><span class="lineNum"> 1213 </span><span class="lineCov"> 852 : fixed_error_on_this_block = 1;</span></a>
<a name="1214"><span class="lineNum"> 1214 </span> : }</a>
<a name="1215"><span class="lineNum"> 1215 </span> : }</a>
<a name="1216"><span class="lineNum"> 1216 </span> : }</a>
<a name="1217"><span class="lineNum"> 1217 </span> : </a>
<a name="1218"><span class="lineNum"> 1218 </span> : /* if we have read all the data required and it's correct, proceed with the parity */</a>
<a name="1219"><span class="lineNum"> 1219 </span><span class="lineCov"> 131795 : if (!error_on_this_block &amp;&amp; !io_error_on_this_block</span></a>
<a name="1220"><span class="lineNum"> 1220 </span><span class="lineCov"> 131776 : &amp;&amp; (!silent_error_on_this_block || fixed_error_on_this_block)</span></a>
<a name="1221"><span class="lineNum"> 1221 </span> : ) {</a>
<a name="1222"><span class="lineNum"> 1222 </span> : /* update the parity only if really needed */</a>
<a name="1223"><span class="lineNum"> 1223 </span><span class="lineCov"> 131776 : if (parity_needs_to_be_updated) {</span></a>
<a name="1224"><span class="lineNum"> 1224 </span> : /* compute the parity */</a>
<a name="1225"><span class="lineNum"> 1225 </span><span class="lineCov"> 131776 : raid_gen(diskmax, state-&gt;level, state-&gt;block_size, buffer);</span></a>
<a name="1226"><span class="lineNum"> 1226 </span> : </a>
<a name="1227"><span class="lineNum"> 1227 </span> : /* until now is raid */</a>
<a name="1228"><span class="lineNum"> 1228 </span><span class="lineCov"> 131776 : state_usage_raid(state);</span></a>
<a name="1229"><span class="lineNum"> 1229 </span> : </a>
<a name="1230"><span class="lineNum"> 1230 </span> : /* mark that the parity is going to be written */</a>
<a name="1231"><span class="lineNum"> 1231 </span><span class="lineCov"> 131776 : parity_going_to_be_updated = 1;</span></a>
<a name="1232"><span class="lineNum"> 1232 </span> : }</a>
<a name="1233"><span class="lineNum"> 1233 </span> : </a>
<a name="1234"><span class="lineNum"> 1234 </span> : /* for each disk, mark the blocks as processed */</a>
<a name="1235"><span class="lineNum"> 1235 </span><span class="lineCov"> 905179 : for (j = 0; j &lt; diskmax; ++j) {</span></a>
<a name="1236"><span class="lineNum"> 1236 </span> : struct snapraid_block* block;</a>
<a name="1237"><span class="lineNum"> 1237 </span> : </a>
<a name="1238"><span class="lineNum"> 1238 </span><span class="lineCov"> 773403 : if (!handle[j].disk)</span></a>
<a name="1239"><span class="lineNum"> 1239 </span><span class="lineNoCov"> 0 : continue;</span></a>
<a name="1240"><span class="lineNum"> 1240 </span> : </a>
<a name="1241"><span class="lineNum"> 1241 </span><span class="lineCov"> 773403 : block = fs_par2block_find(handle[j].disk, blockcur);</span></a>
<a name="1242"><span class="lineNum"> 1242 </span> : </a>
<a name="1243"><span class="lineNum"> 1243 </span><span class="lineCov"> 773403 : if (block == BLOCK_NULL) {</span></a>
<a name="1244"><span class="lineNum"> 1244 </span> : /* nothing to do */</a>
<a name="1245"><span class="lineNum"> 1245 </span><span class="lineCov"> 98047 : continue;</span></a>
<a name="1246"><span class="lineNum"> 1246 </span> : }</a>
<a name="1247"><span class="lineNum"> 1247 </span> : </a>
<a name="1248"><span class="lineNum"> 1248 </span> : /* if it's a deleted block */</a>
<a name="1249"><span class="lineNum"> 1249 </span><span class="lineCov"> 675356 : if (block_state_get(block) == BLOCK_STATE_DELETED) {</span></a>
<a name="1250"><span class="lineNum"> 1250 </span> : /* the parity is now updated without this block, so it's now empty */</a>
<a name="1251"><span class="lineNum"> 1251 </span><span class="lineCov"> 13655 : fs_deallocate(handle[j].disk, blockcur);</span></a>
<a name="1252"><span class="lineNum"> 1252 </span><span class="lineCov"> 13655 : continue;</span></a>
<a name="1253"><span class="lineNum"> 1253 </span> : }</a>
<a name="1254"><span class="lineNum"> 1254 </span> : </a>
<a name="1255"><span class="lineNum"> 1255 </span> : /* now all the blocks have the hash and the parity computed */</a>
<a name="1256"><span class="lineNum"> 1256 </span><span class="lineCov"> 661701 : block_state_set(block, BLOCK_STATE_BLK);</span></a>
<a name="1257"><span class="lineNum"> 1257 </span> : }</a>
<a name="1258"><span class="lineNum"> 1258 </span> : </a>
<a name="1259"><span class="lineNum"> 1259 </span> : /*</a>
<a name="1260"><span class="lineNum"> 1260 </span> : * We update the info block only if we really have updated the parity</a>
<a name="1261"><span class="lineNum"> 1261 </span> : * because otherwise the time/justsynced info would be misleading as we didn't</a>
<a name="1262"><span class="lineNum"> 1262 </span> : * wrote the parity at this time</a>
<a name="1263"><span class="lineNum"> 1263 </span> : * we also update the info block only if no silent error was found</a>
<a name="1264"><span class="lineNum"> 1264 </span> : * because has no sense to refresh the time for data that we know bad</a>
<a name="1265"><span class="lineNum"> 1265 </span> : */</a>
<a name="1266"><span class="lineNum"> 1266 </span><span class="lineCov"> 131776 : if (parity_needs_to_be_updated</span></a>
<a name="1267"><span class="lineNum"> 1267 </span><span class="lineCov"> 131776 : &amp;&amp; !silent_error_on_this_block</span></a>
<a name="1268"><span class="lineNum"> 1268 </span> : ) {</a>
<a name="1269"><span class="lineNum"> 1269 </span> : /* if rehash is needed */</a>
<a name="1270"><span class="lineNum"> 1270 </span><span class="lineCov"> 130924 : if (rehash) {</span></a>
<a name="1271"><span class="lineNum"> 1271 </span> : /* store all the new hash already computed */</a>
<a name="1272"><span class="lineNum"> 1272 </span><span class="lineCov"> 32459 : for (j = 0; j &lt; diskmax; ++j) {</span></a>
<a name="1273"><span class="lineNum"> 1273 </span><span class="lineCov"> 27822 : if (rehandle[j].block)</span></a>
<a name="1274"><span class="lineNum"> 1274 </span><span class="lineCov"> 27200 : memcpy(rehandle[j].block-&gt;hash, rehandle[j].hash, BLOCK_HASH_SIZE);</span></a>
<a name="1275"><span class="lineNum"> 1275 </span> : }</a>
<a name="1276"><span class="lineNum"> 1276 </span> : }</a>
<a name="1277"><span class="lineNum"> 1277 </span> : </a>
<a name="1278"><span class="lineNum"> 1278 </span> : /*</a>
<a name="1279"><span class="lineNum"> 1279 </span> : * Update the time info of the block</a>
<a name="1280"><span class="lineNum"> 1280 </span> : * we are also clearing any previous bad and rehash flag</a>
<a name="1281"><span class="lineNum"> 1281 </span> : */</a>
<a name="1282"><span class="lineNum"> 1282 </span><span class="lineCov"> 130924 : info_set(&amp;state-&gt;infoarr, blockcur, info_make(now, 0, 0, 1));</span></a>
<a name="1283"><span class="lineNum"> 1283 </span> : }</a>
<a name="1284"><span class="lineNum"> 1284 </span> : }</a>
<a name="1285"><span class="lineNum"> 1285 </span> : </a>
<a name="1286"><span class="lineNum"> 1286 </span> : /*</a>
<a name="1287"><span class="lineNum"> 1287 </span> : * If a silent (even if corrected) or input/output error was found</a>
<a name="1288"><span class="lineNum"> 1288 </span> : * mark the block as bad to have check/fix to handle it</a>
<a name="1289"><span class="lineNum"> 1289 </span> : * because our correction is in memory only and not yet written</a>
<a name="1290"><span class="lineNum"> 1290 </span> : */</a>
<a name="1291"><span class="lineNum"> 1291 </span><span class="lineCov"> 131795 : if (silent_error_on_this_block || io_error_on_this_block) {</span></a>
<a name="1292"><span class="lineNum"> 1292 </span> : /* set the error status keeping the other info */</a>
<a name="1293"><span class="lineNum"> 1293 </span><span class="lineCov"> 852 : info_set(&amp;state-&gt;infoarr, blockcur, info_set_bad(info));</span></a>
<a name="1294"><span class="lineNum"> 1294 </span> : }</a>
<a name="1295"><span class="lineNum"> 1295 </span> : </a>
<a name="1296"><span class="lineNum"> 1296 </span> : /*</a>
<a name="1297"><span class="lineNum"> 1297 </span> : * Finally schedule parity write</a>
<a name="1298"><span class="lineNum"> 1298 </span> : * Note that the calls to io_parity_write() are mandatory</a>
<a name="1299"><span class="lineNum"> 1299 </span> : * even if the parity doesn't need to be updated</a>
<a name="1300"><span class="lineNum"> 1300 </span> : * This because we want to keep track of the time usage</a>
<a name="1301"><span class="lineNum"> 1301 </span> : */</a>
<a name="1302"><span class="lineNum"> 1302 </span><span class="lineCov"> 131795 : state_usage_misc(state);</span></a>
<a name="1303"><span class="lineNum"> 1303 </span> : </a>
<a name="1304"><span class="lineNum"> 1304 </span> : /* write start */</a>
<a name="1305"><span class="lineNum"> 1305 </span><span class="lineCov"> 131795 : io_write_preset(&amp;io, blockcur, !parity_going_to_be_updated);</span></a>
<a name="1306"><span class="lineNum"> 1306 </span> : </a>
<a name="1307"><span class="lineNum"> 1307 </span> : /* write the parity */</a>
<a name="1308"><span class="lineNum"> 1308 </span><span class="lineCov"> 716630 : for (l = 0; l &lt; state-&gt;level; ++l) {</span></a>
<a name="1309"><span class="lineNum"> 1309 </span> : unsigned levcur;</a>
<a name="1310"><span class="lineNum"> 1310 </span> : </a>
<a name="1311"><span class="lineNum"> 1311 </span><span class="lineCov"> 584835 : io_parity_write(&amp;io, &amp;levcur, waiting_map, &amp;waiting_mac);</span></a>
<a name="1312"><span class="lineNum"> 1312 </span> : </a>
<a name="1313"><span class="lineNum"> 1313 </span> : /* until now is parity */</a>
<a name="1314"><span class="lineNum"> 1314 </span><span class="lineCov"> 584835 : state_usage_parity(state, waiting_map, waiting_mac);</span></a>
<a name="1315"><span class="lineNum"> 1315 </span> : }</a>
<a name="1316"><span class="lineNum"> 1316 </span> : </a>
<a name="1317"><span class="lineNum"> 1317 </span> : /* write finished */</a>
<a name="1318"><span class="lineNum"> 1318 </span><span class="lineCov"> 131795 : io_write_next(&amp;io, blockcur, !parity_going_to_be_updated, writer_error);</span></a>
<a name="1319"><span class="lineNum"> 1319 </span> : </a>
<a name="1320"><span class="lineNum"> 1320 </span> : /* handle errors reported */</a>
<a name="1321"><span class="lineNum"> 1321 </span><span class="lineCov"> 658975 : for (j = 0; j &lt; IO_WRITER_ERROR_MAX; ++j) {</span></a>
<a name="1322"><span class="lineNum"> 1322 </span><span class="lineCov"> 527180 : if (writer_error[j]) {</span></a>
<a name="1323"><span class="lineNum"> 1323 </span><span class="lineNoCov"> 0 : switch (j + IO_WRITER_ERROR_BASE) {</span></a>
<a name="1324"><span class="lineNum"> 1324 </span><span class="lineNoCov"> 0 : case TASK_STATE_IOERROR_CONTINUE :</span></a>
<a name="1325"><span class="lineNum"> 1325 </span><span class="lineNoCov"> 0 : ++io_error;</span></a>
<a name="1326"><span class="lineNum"> 1326 </span><span class="lineNoCov"> 0 : if (io_error &gt;= state-&gt;opt.io_error_limit) {</span></a>
<a name="1327"><span class="lineNum"> 1327 </span> : /* LCOV_EXCL_START */</a>
<a name="1328"><span class="lineNum"> 1328 </span> : log_fatal(EIO, &quot;DANGER! Too many input/output errors in a parity disk. It isn't possible to continue.\n&quot;);</a>
<a name="1329"><span class="lineNum"> 1329 </span> : log_fatal(EIO, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="1330"><span class="lineNum"> 1330 </span> : goto bail;</a>
<a name="1331"><span class="lineNum"> 1331 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1332"><span class="lineNum"> 1332 </span> : }</a>
<a name="1333"><span class="lineNum"> 1333 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="1334"><span class="lineNum"> 1334 </span><span class="lineNoCov"> 0 : case TASK_STATE_ERROR_CONTINUE :</span></a>
<a name="1335"><span class="lineNum"> 1335 </span><span class="lineNoCov"> 0 : ++soft_error;</span></a>
<a name="1336"><span class="lineNum"> 1336 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="1337"><span class="lineNum"> 1337 </span><span class="lineNoCov"> 0 : case TASK_STATE_IOERROR :</span></a>
<a name="1338"><span class="lineNum"> 1338 </span> : /* LCOV_EXCL_START */</a>
<a name="1339"><span class="lineNum"> 1339 </span> : ++io_error;</a>
<a name="1340"><span class="lineNum"> 1340 </span> : goto bail;</a>
<a name="1341"><span class="lineNum"> 1341 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1342"><span class="lineNum"> 1342 </span><span class="lineNoCov"> 0 : case TASK_STATE_ERROR :</span></a>
<a name="1343"><span class="lineNum"> 1343 </span> : /* LCOV_EXCL_START */</a>
<a name="1344"><span class="lineNum"> 1344 </span> : ++soft_error;</a>
<a name="1345"><span class="lineNum"> 1345 </span> : goto bail;</a>
<a name="1346"><span class="lineNum"> 1346 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1347"><span class="lineNum"> 1347 </span> : }</a>
<a name="1348"><span class="lineNum"> 1348 </span> : }</a>
<a name="1349"><span class="lineNum"> 1349 </span> : }</a>
<a name="1350"><span class="lineNum"> 1350 </span> : </a>
<a name="1351"><span class="lineNum"> 1351 </span> : /* mark the state as needing write */</a>
<a name="1352"><span class="lineNum"> 1352 </span><span class="lineCov"> 131795 : state-&gt;need_write = 1;</span></a>
<a name="1353"><span class="lineNum"> 1353 </span> : </a>
<a name="1354"><span class="lineNum"> 1354 </span> : /* count the number of processed block */</a>
<a name="1355"><span class="lineNum"> 1355 </span><span class="lineCov"> 131795 : ++countpos;</span></a>
<a name="1356"><span class="lineNum"> 1356 </span> : </a>
<a name="1357"><span class="lineNum"> 1357 </span> : /* progress */</a>
<a name="1358"><span class="lineNum"> 1358 </span><span class="lineCov"> 131795 : if (state_progress(state, &amp;io, blockcur, countpos, countmax, countsize)) {</span></a>
<a name="1359"><span class="lineNum"> 1359 </span> : /* LCOV_EXCL_START */</a>
<a name="1360"><span class="lineNum"> 1360 </span> : break;</a>
<a name="1361"><span class="lineNum"> 1361 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1362"><span class="lineNum"> 1362 </span> : }</a>
<a name="1363"><span class="lineNum"> 1363 </span> : </a>
<a name="1364"><span class="lineNum"> 1364 </span> : /* thermal control */</a>
<a name="1365"><span class="lineNum"> 1365 </span><span class="lineCov"> 131795 : if (state_thermal_alarm(state)) {</span></a>
<a name="1366"><span class="lineNum"> 1366 </span> : /* until now is misc */</a>
<a name="1367"><span class="lineNum"> 1367 </span><span class="lineNoCov"> 0 : state_usage_misc(state);</span></a>
<a name="1368"><span class="lineNum"> 1368 </span> : </a>
<a name="1369"><span class="lineNum"> 1369 </span><span class="lineNoCov"> 0 : state_progress_stop(state);</span></a>
<a name="1370"><span class="lineNum"> 1370 </span> : </a>
<a name="1371"><span class="lineNum"> 1371 </span> : /* before spinning down flush all the caches */</a>
<a name="1372"><span class="lineNum"> 1372 </span><span class="lineNoCov"> 0 : ret = state_flush(state, &amp;io, parity_handle, blockcur);</span></a>
<a name="1373"><span class="lineNum"> 1373 </span><span class="lineNoCov"> 0 : if (ret == -1) {</span></a>
<a name="1374"><span class="lineNum"> 1374 </span> : /* LCOV_EXCL_START */</a>
<a name="1375"><span class="lineNum"> 1375 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="1376"><span class="lineNum"> 1376 </span> : ++io_error;</a>
<a name="1377"><span class="lineNum"> 1377 </span> : goto bail;</a>
<a name="1378"><span class="lineNum"> 1378 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1379"><span class="lineNum"> 1379 </span> : }</a>
<a name="1380"><span class="lineNum"> 1380 </span> : </a>
<a name="1381"><span class="lineNum"> 1381 </span><span class="lineNoCov"> 0 : state_thermal_cooldown(state);</span></a>
<a name="1382"><span class="lineNum"> 1382 </span> : </a>
<a name="1383"><span class="lineNum"> 1383 </span><span class="lineNoCov"> 0 : state_progress_restart(state);</span></a>
<a name="1384"><span class="lineNum"> 1384 </span> : </a>
<a name="1385"><span class="lineNum"> 1385 </span> : /* drop until now */</a>
<a name="1386"><span class="lineNum"> 1386 </span><span class="lineNoCov"> 0 : state_usage_waste(state);</span></a>
<a name="1387"><span class="lineNum"> 1387 </span> : }</a>
<a name="1388"><span class="lineNum"> 1388 </span> : </a>
<a name="1389"><span class="lineNum"> 1389 </span> : /* autosave */</a>
<a name="1390"><span class="lineNum"> 1390 </span><span class="lineCov"> 131795 : if ((state-&gt;autosave != 0</span></a>
<a name="1391"><span class="lineNum"> 1391 </span><span class="lineCov"> 35436 : &amp;&amp; autosavedone &gt;= autosavelimit /* if we have reached the limit */</span></a>
<a name="1392"><span class="lineNum"> 1392 </span><span class="lineNoCov"> 0 : &amp;&amp; autosavemissing &gt;= autosavelimit) /* if we have at least a full step to do */</span></a>
<a name="1393"><span class="lineNum"> 1393 </span> : /* or if we have a forced autosave at the specified block */</a>
<a name="1394"><span class="lineNum"> 1394 </span><span class="lineCov"> 131795 : || (state-&gt;opt.force_autosave_at != 0 &amp;&amp; state-&gt;opt.force_autosave_at == blockcur)</span></a>
<a name="1395"><span class="lineNum"> 1395 </span> : ) {</a>
<a name="1396"><span class="lineNum"> 1396 </span><span class="lineCov"> 1 : autosavedone = 0; /* restart the counter */</span></a>
<a name="1397"><span class="lineNum"> 1397 </span> : </a>
<a name="1398"><span class="lineNum"> 1398 </span> : /* until now is misc */</a>
<a name="1399"><span class="lineNum"> 1399 </span><span class="lineCov"> 1 : state_usage_misc(state);</span></a>
<a name="1400"><span class="lineNum"> 1400 </span> : </a>
<a name="1401"><span class="lineNum"> 1401 </span><span class="lineCov"> 1 : state_progress_stop(state);</span></a>
<a name="1402"><span class="lineNum"> 1402 </span> : </a>
<a name="1403"><span class="lineNum"> 1403 </span><span class="lineCov"> 1 : msg_progress(&quot;Autosaving...\n&quot;);</span></a>
<a name="1404"><span class="lineNum"> 1404 </span> : </a>
<a name="1405"><span class="lineNum"> 1405 </span> : /*</a>
<a name="1406"><span class="lineNum"> 1406 </span> : * Before writing the new content file we ensure that</a>
<a name="1407"><span class="lineNum"> 1407 </span> : * the parity is really written flushing the disk cache</a>
<a name="1408"><span class="lineNum"> 1408 </span> : */</a>
<a name="1409"><span class="lineNum"> 1409 </span><span class="lineCov"> 1 : ret = state_flush(state, &amp;io, parity_handle, blockcur);</span></a>
<a name="1410"><span class="lineNum"> 1410 </span><span class="lineCov"> 1 : if (ret == -1) {</span></a>
<a name="1411"><span class="lineNum"> 1411 </span> : /* LCOV_EXCL_START */</a>
<a name="1412"><span class="lineNum"> 1412 </span> : log_fatal(EIO, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="1413"><span class="lineNum"> 1413 </span> : ++io_error;</a>
<a name="1414"><span class="lineNum"> 1414 </span> : goto bail;</a>
<a name="1415"><span class="lineNum"> 1415 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1416"><span class="lineNum"> 1416 </span> : }</a>
<a name="1417"><span class="lineNum"> 1417 </span> : </a>
<a name="1418"><span class="lineNum"> 1418 </span> : /* now we can safely write the content file */</a>
<a name="1419"><span class="lineNum"> 1419 </span><span class="lineCov"> 1 : state_write(state);</span></a>
<a name="1420"><span class="lineNum"> 1420 </span> : </a>
<a name="1421"><span class="lineNum"> 1421 </span><span class="lineCov"> 1 : state_progress_restart(state);</span></a>
<a name="1422"><span class="lineNum"> 1422 </span> : </a>
<a name="1423"><span class="lineNum"> 1423 </span> : /* drop until now */</a>
<a name="1424"><span class="lineNum"> 1424 </span><span class="lineCov"> 1 : state_usage_waste(state);</span></a>
<a name="1425"><span class="lineNum"> 1425 </span> : }</a>
<a name="1426"><span class="lineNum"> 1426 </span> : }</a>
<a name="1427"><span class="lineNum"> 1427 </span> : </a>
<a name="1428"><span class="lineNum"> 1428 </span><span class="lineCov"> 100 : end:</span></a>
<a name="1429"><span class="lineNum"> 1429 </span><span class="lineCov"> 100 : state_progress_end(state, countpos, countmax, countsize, &quot;Nothing to sync.\n&quot;);</span></a>
<a name="1430"><span class="lineNum"> 1430 </span> : </a>
<a name="1431"><span class="lineNum"> 1431 </span> : /*</a>
<a name="1432"><span class="lineNum"> 1432 </span> : * Before returning we ensure that</a>
<a name="1433"><span class="lineNum"> 1433 </span> : * the parity is really written flushing the disk cache</a>
<a name="1434"><span class="lineNum"> 1434 </span> : */</a>
<a name="1435"><span class="lineNum"> 1435 </span><span class="lineCov"> 100 : ret = state_flush(state, &amp;io, parity_handle, blockcur);</span></a>
<a name="1436"><span class="lineNum"> 1436 </span><span class="lineCov"> 100 : if (ret == -1) {</span></a>
<a name="1437"><span class="lineNum"> 1437 </span> : /* LCOV_EXCL_START */</a>
<a name="1438"><span class="lineNum"> 1438 </span> : log_fatal(errno, &quot;Stopping at block %u\n&quot;, blockcur);</a>
<a name="1439"><span class="lineNum"> 1439 </span> : ++io_error;</a>
<a name="1440"><span class="lineNum"> 1440 </span> : goto bail;</a>
<a name="1441"><span class="lineNum"> 1441 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1442"><span class="lineNum"> 1442 </span> : }</a>
<a name="1443"><span class="lineNum"> 1443 </span> : </a>
<a name="1444"><span class="lineNum"> 1444 </span> : /* now the parity is fully written, no need to keep deallocated files */</a>
<a name="1445"><span class="lineNum"> 1445 </span><span class="lineCov"> 100 : state_commit(state);</span></a>
<a name="1446"><span class="lineNum"> 1446 </span> : </a>
<a name="1447"><span class="lineNum"> 1447 </span><span class="lineCov"> 100 : if (state-&gt;opt.kill_after_sync) {</span></a>
<a name="1448"><span class="lineNum"> 1448 </span><span class="lineCov"> 12 : log_fatal(EUSER, &quot;WARNING! Killing due --test-kill-after-sync option.\n&quot;);</span></a>
<a name="1449"><span class="lineNum"> 1449 </span><span class="lineCov"> 12 : exit(EXIT_SUCCESS);</span></a>
<a name="1450"><span class="lineNum"> 1450 </span> : }</a>
<a name="1451"><span class="lineNum"> 1451 </span> : </a>
<a name="1452"><span class="lineNum"> 1452 </span> : /* save the new state if required */</a>
<a name="1453"><span class="lineNum"> 1453 </span><span class="lineCov"> 88 : if ((state-&gt;need_write || state-&gt;opt.force_content_write))</span></a>
<a name="1454"><span class="lineNum"> 1454 </span><span class="lineCov"> 71 : state_write(state);</span></a>
<a name="1455"><span class="lineNum"> 1455 </span> : </a>
<a name="1456"><span class="lineNum"> 1456 </span><span class="lineCov"> 88 : state_usage_print(state);</span></a>
<a name="1457"><span class="lineNum"> 1457 </span> : </a>
<a name="1458"><span class="lineNum"> 1458 </span><span class="lineCov"> 88 : if (soft_error || silent_error || io_error) {</span></a>
<a name="1459"><span class="lineNum"> 1459 </span><span class="lineCov"> 12 : msg_status(&quot;\n&quot;);</span></a>
<a name="1460"><span class="lineNum"> 1460 </span><span class="lineCov"> 12 : msg_status(&quot;%8u soft errors\n&quot;, soft_error);</span></a>
<a name="1461"><span class="lineNum"> 1461 </span><span class="lineCov"> 12 : msg_status(&quot;%8u io errors\n&quot;, io_error);</span></a>
<a name="1462"><span class="lineNum"> 1462 </span><span class="lineCov"> 12 : msg_status(&quot;%8u data errors\n&quot;, silent_error);</span></a>
<a name="1463"><span class="lineNum"> 1463 </span> : } else {</a>
<a name="1464"><span class="lineNum"> 1464 </span> : /* print the result only if processed something */</a>
<a name="1465"><span class="lineNum"> 1465 </span><span class="lineCov"> 76 : if (countpos != 0)</span></a>
<a name="1466"><span class="lineNum"> 1466 </span><span class="lineCov"> 59 : msg_status(&quot;Everything OK\n&quot;);</span></a>
<a name="1467"><span class="lineNum"> 1467 </span> : }</a>
<a name="1468"><span class="lineNum"> 1468 </span> : </a>
<a name="1469"><span class="lineNum"> 1469 </span><span class="lineCov"> 88 : if (soft_error)</span></a>
<a name="1470"><span class="lineNum"> 1470 </span><span class="lineCov"> 11 : log_fatal(ESOFT, &quot;WARNING! Unexpected soft errors!\n&quot;);</span></a>
<a name="1471"><span class="lineNum"> 1471 </span><span class="lineCov"> 88 : if (io_error)</span></a>
<a name="1472"><span class="lineNum"> 1472 </span><span class="lineNoCov"> 0 : log_fatal(EIO, &quot;DANGER! Unexpected input/output errors! The failing blocks are now marked as bad!\n&quot;);</span></a>
<a name="1473"><span class="lineNum"> 1473 </span><span class="lineCov"> 88 : if (silent_error)</span></a>
<a name="1474"><span class="lineNum"> 1474 </span><span class="lineCov"> 1 : log_fatal(EDATA, &quot;DANGER! Unexpected silent data errors! The failing blocks are now marked as bad!\n&quot;);</span></a>
<a name="1475"><span class="lineNum"> 1475 </span><span class="lineCov"> 88 : if (io_error || silent_error) {</span></a>
<a name="1476"><span class="lineNum"> 1476 </span><span class="lineCov"> 1 : log_fatal(ESOFT, &quot;Use 'snapraid status' to list the bad blocks.\n&quot;);</span></a>
<a name="1477"><span class="lineNum"> 1477 </span><span class="lineCov"> 1 : log_fatal(ESOFT, &quot;Use 'snapraid -e fix' to recover.\n&quot;);</span></a>
<a name="1478"><span class="lineNum"> 1478 </span> : }</a>
<a name="1479"><span class="lineNum"> 1479 </span> : </a>
<a name="1480"><span class="lineNum"> 1480 </span><span class="lineCov"> 88 : log_tag(&quot;summary:error_soft:%u\n&quot;, soft_error);</span></a>
<a name="1481"><span class="lineNum"> 1481 </span><span class="lineCov"> 88 : log_tag(&quot;summary:error_io:%u\n&quot;, io_error);</span></a>
<a name="1482"><span class="lineNum"> 1482 </span><span class="lineCov"> 88 : log_tag(&quot;summary:error_data:%u\n&quot;, silent_error);</span></a>
<a name="1483"><span class="lineNum"> 1483 </span><span class="lineCov"> 88 : if (soft_error + silent_error + io_error == 0)</span></a>
<a name="1484"><span class="lineNum"> 1484 </span><span class="lineCov"> 76 : log_tag(&quot;summary:exit:ok\n&quot;);</span></a>
<a name="1485"><span class="lineNum"> 1485 </span><span class="lineCov"> 12 : else if (silent_error + io_error == 0)</span></a>
<a name="1486"><span class="lineNum"> 1486 </span><span class="lineCov"> 11 : log_tag(&quot;summary:exit:warning\n&quot;);</span></a>
<a name="1487"><span class="lineNum"> 1487 </span> : else</a>
<a name="1488"><span class="lineNum"> 1488 </span><span class="lineCov"> 1 : log_tag(&quot;summary:exit:error\n&quot;);</span></a>
<a name="1489"><span class="lineNum"> 1489 </span><span class="lineCov"> 88 : log_flush();</span></a>
<a name="1490"><span class="lineNum"> 1490 </span> : </a>
<a name="1491"><span class="lineNum"> 1491 </span><span class="lineCov"> 88 : bail:</span></a>
<a name="1492"><span class="lineNum"> 1492 </span> : /* stop all the worker threads */</a>
<a name="1493"><span class="lineNum"> 1493 </span><span class="lineCov"> 88 : io_stop(&amp;io);</span></a>
<a name="1494"><span class="lineNum"> 1494 </span> : </a>
<a name="1495"><span class="lineNum"> 1495 </span><span class="lineCov"> 598 : for (j = 0; j &lt; diskmax; ++j) {</span></a>
<a name="1496"><span class="lineNum"> 1496 </span><span class="lineCov"> 510 : struct snapraid_file* file = handle[j].file;</span></a>
<a name="1497"><span class="lineNum"> 1497 </span><span class="lineCov"> 510 : struct snapraid_disk* disk = handle[j].disk;</span></a>
<a name="1498"><span class="lineNum"> 1498 </span><span class="lineCov"> 510 : ret = handle_close(&amp;handle[j]);</span></a>
<a name="1499"><span class="lineNum"> 1499 </span><span class="lineCov"> 510 : if (ret == -1) {</span></a>
<a name="1500"><span class="lineNum"> 1500 </span> : /* LCOV_EXCL_START */</a>
<a name="1501"><span class="lineNum"> 1501 </span> : log_tag(&quot;%s:%u:%s:%s: Close error. %s.\n&quot;, es(errno), blockcur, disk-&gt;name, esc_tag(file-&gt;sub, esc_buffer), strerror(errno));</a>
<a name="1502"><span class="lineNum"> 1502 </span> : log_fatal_errno(errno, disk-&gt;name);</a>
<a name="1503"><span class="lineNum"> 1503 </span> : </a>
<a name="1504"><span class="lineNum"> 1504 </span> : if (is_hw(errno)) {</a>
<a name="1505"><span class="lineNum"> 1505 </span> : ++io_error;</a>
<a name="1506"><span class="lineNum"> 1506 </span> : } else {</a>
<a name="1507"><span class="lineNum"> 1507 </span> : ++soft_error;</a>
<a name="1508"><span class="lineNum"> 1508 </span> : }</a>
<a name="1509"><span class="lineNum"> 1509 </span> : /* continue, as we are already exiting */</a>
<a name="1510"><span class="lineNum"> 1510 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1511"><span class="lineNum"> 1511 </span> : }</a>
<a name="1512"><span class="lineNum"> 1512 </span> : }</a>
<a name="1513"><span class="lineNum"> 1513 </span> : </a>
<a name="1514"><span class="lineNum"> 1514 </span><span class="lineCov"> 88 : free(handle);</span></a>
<a name="1515"><span class="lineNum"> 1515 </span><span class="lineCov"> 88 : free(zero_alloc);</span></a>
<a name="1516"><span class="lineNum"> 1516 </span><span class="lineCov"> 88 : free(copy_alloc);</span></a>
<a name="1517"><span class="lineNum"> 1517 </span><span class="lineCov"> 88 : free(copy);</span></a>
<a name="1518"><span class="lineNum"> 1518 </span><span class="lineCov"> 88 : free(rehandle_alloc);</span></a>
<a name="1519"><span class="lineNum"> 1519 </span><span class="lineCov"> 88 : free(failed);</span></a>
<a name="1520"><span class="lineNum"> 1520 </span><span class="lineCov"> 88 : free(failed_map);</span></a>
<a name="1521"><span class="lineNum"> 1521 </span><span class="lineCov"> 88 : free(waiting_map);</span></a>
<a name="1522"><span class="lineNum"> 1522 </span><span class="lineCov"> 88 : io_done(&amp;io);</span></a>
<a name="1523"><span class="lineNum"> 1523 </span><span class="lineCov"> 88 : free(block_enabled);</span></a>
<a name="1524"><span class="lineNum"> 1524 </span> : </a>
<a name="1525"><span class="lineNum"> 1525 </span><span class="lineCov"> 88 : if (state-&gt;opt.expect_recoverable) {</span></a>
<a name="1526"><span class="lineNum"> 1526 </span><span class="lineCov"> 1 : if (soft_error + silent_error + io_error == 0)</span></a>
<a name="1527"><span class="lineNum"> 1527 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1528"><span class="lineNum"> 1528 </span> : } else {</a>
<a name="1529"><span class="lineNum"> 1529 </span><span class="lineCov"> 87 : if (soft_error + silent_error + io_error != 0)</span></a>
<a name="1530"><span class="lineNum"> 1530 </span><span class="lineCov"> 11 : return -1;</span></a>
<a name="1531"><span class="lineNum"> 1531 </span> : }</a>
<a name="1532"><span class="lineNum"> 1532 </span> : </a>
<a name="1533"><span class="lineNum"> 1533 </span><span class="lineCov"> 77 : if (alert &lt; 0)</span></a>
<a name="1534"><span class="lineNum"> 1534 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1535"><span class="lineNum"> 1535 </span> : </a>
<a name="1536"><span class="lineNum"> 1536 </span><span class="lineCov"> 77 : return 0;</span></a>
<a name="1537"><span class="lineNum"> 1537 </span> : }</a>
<a name="1538"><span class="lineNum"> 1538 </span> : </a>
<a name="1539"><span class="lineNum"> 1539 </span><span class="lineCov"> 106 : int state_sync(struct snapraid_state* state, block_off_t blockstart, block_off_t blockcount)</span></a>
<a name="1540"><span class="lineNum"> 1540 </span> : {</a>
<a name="1541"><span class="lineNum"> 1541 </span> : block_off_t blockmax;</a>
<a name="1542"><span class="lineNum"> 1542 </span> : block_off_t used_paritymax;</a>
<a name="1543"><span class="lineNum"> 1543 </span> : block_off_t file_paritymax;</a>
<a name="1544"><span class="lineNum"> 1544 </span> : data_off_t size;</a>
<a name="1545"><span class="lineNum"> 1545 </span> : int ret;</a>
<a name="1546"><span class="lineNum"> 1546 </span> : struct snapraid_parity_handle parity_handle[LEV_MAX];</a>
<a name="1547"><span class="lineNum"> 1547 </span> : unsigned process_error;</a>
<a name="1548"><span class="lineNum"> 1548 </span> : unsigned l;</a>
<a name="1549"><span class="lineNum"> 1549 </span><span class="lineCov"> 106 : int skip_sync = 0;</span></a>
<a name="1550"><span class="lineNum"> 1550 </span> : </a>
<a name="1551"><span class="lineNum"> 1551 </span><span class="lineCov"> 106 : msg_progress(&quot;Initializing...\n&quot;);</span></a>
<a name="1552"><span class="lineNum"> 1552 </span> : </a>
<a name="1553"><span class="lineNum"> 1553 </span><span class="lineCov"> 106 : blockmax = parity_allocated_size(state);</span></a>
<a name="1554"><span class="lineNum"> 1554 </span><span class="lineCov"> 106 : size = blockmax * (data_off_t)state-&gt;block_size;</span></a>
<a name="1555"><span class="lineNum"> 1555 </span> : </a>
<a name="1556"><span class="lineNum"> 1556 </span> : /* minimum size of the parity files we expect */</a>
<a name="1557"><span class="lineNum"> 1557 </span><span class="lineCov"> 106 : used_paritymax = parity_used_size(state);</span></a>
<a name="1558"><span class="lineNum"> 1558 </span> : </a>
<a name="1559"><span class="lineNum"> 1559 </span> : /* effective size of the parity files */</a>
<a name="1560"><span class="lineNum"> 1560 </span><span class="lineCov"> 106 : file_paritymax = 0;</span></a>
<a name="1561"><span class="lineNum"> 1561 </span> : </a>
<a name="1562"><span class="lineNum"> 1562 </span><span class="lineCov"> 106 : if (blockstart &gt; blockmax) {</span></a>
<a name="1563"><span class="lineNum"> 1563 </span> : /* LCOV_EXCL_START */</a>
<a name="1564"><span class="lineNum"> 1564 </span> : log_fatal(EUSER, &quot;Error in the starting block %u. It is larger than the parity size %u.\n&quot;, blockstart, blockmax);</a>
<a name="1565"><span class="lineNum"> 1565 </span> : exit(EXIT_FAILURE);</a>
<a name="1566"><span class="lineNum"> 1566 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1567"><span class="lineNum"> 1567 </span> : }</a>
<a name="1568"><span class="lineNum"> 1568 </span> : </a>
<a name="1569"><span class="lineNum"> 1569 </span> : /* adjust the number of block to process */</a>
<a name="1570"><span class="lineNum"> 1570 </span><span class="lineCov"> 106 : if (blockcount != 0 &amp;&amp; blockstart + blockcount &lt; blockmax) {</span></a>
<a name="1571"><span class="lineNum"> 1571 </span><span class="lineCov"> 6 : blockmax = blockstart + blockcount;</span></a>
<a name="1572"><span class="lineNum"> 1572 </span> : }</a>
<a name="1573"><span class="lineNum"> 1573 </span> : </a>
<a name="1574"><span class="lineNum"> 1574 </span><span class="lineCov"> 647 : for (l = 0; l &lt; state-&gt;level; ++l) {</span></a>
<a name="1575"><span class="lineNum"> 1575 </span> : data_off_t out_size;</a>
<a name="1576"><span class="lineNum"> 1576 </span> : block_off_t parityblocks;</a>
<a name="1577"><span class="lineNum"> 1577 </span> : </a>
<a name="1578"><span class="lineNum"> 1578 </span> : /* create the file and open for writing */</a>
<a name="1579"><span class="lineNum"> 1579 </span><span class="lineCov"> 541 : ret = parity_create(&amp;parity_handle[l], &amp;state-&gt;parity[l], l, state-&gt;file_mode, state-&gt;block_size, state-&gt;opt.parity_limit_size);</span></a>
<a name="1580"><span class="lineNum"> 1580 </span><span class="lineCov"> 541 : if (ret == -1) {</span></a>
<a name="1581"><span class="lineNum"> 1581 </span> : /* LCOV_EXCL_START */</a>
<a name="1582"><span class="lineNum"> 1582 </span> : log_tag(&quot;parity_%s:%u:%s: Create error. %s.\n&quot;, es(errno), 0, lev_config_name(l), strerror(errno));</a>
<a name="1583"><span class="lineNum"> 1583 </span> : log_fatal_errno(errno, lev_config_name(l));</a>
<a name="1584"><span class="lineNum"> 1584 </span> : exit(EXIT_FAILURE);</a>
<a name="1585"><span class="lineNum"> 1585 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1586"><span class="lineNum"> 1586 </span> : }</a>
<a name="1587"><span class="lineNum"> 1587 </span> : </a>
<a name="1588"><span class="lineNum"> 1588 </span> : /* number of block in the parity file */</a>
<a name="1589"><span class="lineNum"> 1589 </span><span class="lineCov"> 541 : parity_size(&amp;parity_handle[l], &amp;out_size);</span></a>
<a name="1590"><span class="lineNum"> 1590 </span><span class="lineCov"> 541 : parityblocks = out_size / state-&gt;block_size;</span></a>
<a name="1591"><span class="lineNum"> 1591 </span> : </a>
<a name="1592"><span class="lineNum"> 1592 </span> : /* if the file is too small */</a>
<a name="1593"><span class="lineNum"> 1593 </span><span class="lineCov"> 541 : if (parityblocks &lt; used_paritymax) {</span></a>
<a name="1594"><span class="lineNum"> 1594 </span><span class="lineNoCov"> 0 : log_fatal(ESOFT, &quot;WARNING! The %s parity has only %u blocks instead of %u.\n&quot;, lev_name(l), parityblocks, used_paritymax);</span></a>
<a name="1595"><span class="lineNum"> 1595 </span> : }</a>
<a name="1596"><span class="lineNum"> 1596 </span> : </a>
<a name="1597"><span class="lineNum"> 1597 </span> : /* keep the smallest parity number of blocks */</a>
<a name="1598"><span class="lineNum"> 1598 </span><span class="lineCov"> 541 : if (l == 0 || file_paritymax &gt; parityblocks)</span></a>
<a name="1599"><span class="lineNum"> 1599 </span><span class="lineCov"> 107 : file_paritymax = parityblocks;</span></a>
<a name="1600"><span class="lineNum"> 1600 </span> : }</a>
<a name="1601"><span class="lineNum"> 1601 </span> : </a>
<a name="1602"><span class="lineNum"> 1602 </span> : /* if we do a full parity realloc or computation, having a wrong parity size is expected */</a>
<a name="1603"><span class="lineNum"> 1603 </span><span class="lineCov"> 106 : if (!state-&gt;opt.force_realloc &amp;&amp; !state-&gt;opt.force_full) {</span></a>
<a name="1604"><span class="lineNum"> 1604 </span> : /* if the parities are too small */</a>
<a name="1605"><span class="lineNum"> 1605 </span><span class="lineCov"> 93 : if (file_paritymax &lt; used_paritymax) {</span></a>
<a name="1606"><span class="lineNum"> 1606 </span> : /* LCOV_EXCL_START */</a>
<a name="1607"><span class="lineNum"> 1607 </span> : log_fatal(ESOFT, &quot;DANGER! One or more the parity files are smaller than expected!\n&quot;);</a>
<a name="1608"><span class="lineNum"> 1608 </span> : if (file_paritymax != 0) {</a>
<a name="1609"><span class="lineNum"> 1609 </span> : log_fatal(ESOFT, &quot;If this happens because you are using an old content file,\n&quot;);</a>
<a name="1610"><span class="lineNum"> 1610 </span> : log_fatal(ESOFT, &quot;you can 'sync' anyway using 'snapraid --force-full sync'\n&quot;);</a>
<a name="1611"><span class="lineNum"> 1611 </span> : log_fatal(ESOFT, &quot;to force a full rebuild of the parity.\n&quot;);</a>
<a name="1612"><span class="lineNum"> 1612 </span> : } else {</a>
<a name="1613"><span class="lineNum"> 1613 </span> : log_fatal(ESOFT, &quot;It's possible that the parity disks are not mounted.\n&quot;);</a>
<a name="1614"><span class="lineNum"> 1614 </span> : log_fatal(ESOFT, &quot;If instead you are adding a new parity level, you can 'sync' using\n&quot;);</a>
<a name="1615"><span class="lineNum"> 1615 </span> : log_fatal(ESOFT, &quot;'snapraid --force-full sync' to force a full rebuild of the parity.\n&quot;);</a>
<a name="1616"><span class="lineNum"> 1616 </span> : }</a>
<a name="1617"><span class="lineNum"> 1617 </span> : exit(EXIT_FAILURE);</a>
<a name="1618"><span class="lineNum"> 1618 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1619"><span class="lineNum"> 1619 </span> : }</a>
<a name="1620"><span class="lineNum"> 1620 </span> : }</a>
<a name="1621"><span class="lineNum"> 1621 </span> : </a>
<a name="1622"><span class="lineNum"> 1622 </span><span class="lineCov"> 106 : process_error = 0;</span></a>
<a name="1623"><span class="lineNum"> 1623 </span> : </a>
<a name="1624"><span class="lineNum"> 1624 </span><span class="lineCov"> 106 : if (state-&gt;opt.prehash) {</span></a>
<a name="1625"><span class="lineNum"> 1625 </span><span class="lineCov"> 7 : msg_progress(&quot;Hashing...\n&quot;);</span></a>
<a name="1626"><span class="lineNum"> 1626 </span> : </a>
<a name="1627"><span class="lineNum"> 1627 </span><span class="lineCov"> 7 : ret = state_hash_process(state, blockstart, blockmax, &amp;skip_sync);</span></a>
<a name="1628"><span class="lineNum"> 1628 </span><span class="lineCov"> 7 : if (ret == -1) {</span></a>
<a name="1629"><span class="lineNum"> 1629 </span> : /* LCOV_EXCL_START */</a>
<a name="1630"><span class="lineNum"> 1630 </span> : ++process_error;</a>
<a name="1631"><span class="lineNum"> 1631 </span> : /* continue, in case also doing the sync if ::skip_sync is not set */</a>
<a name="1632"><span class="lineNum"> 1632 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1633"><span class="lineNum"> 1633 </span> : }</a>
<a name="1634"><span class="lineNum"> 1634 </span> : }</a>
<a name="1635"><span class="lineNum"> 1635 </span> : </a>
<a name="1636"><span class="lineNum"> 1636 </span><span class="lineCov"> 106 : if (!skip_sync) {</span></a>
<a name="1637"><span class="lineNum"> 1637 </span><span class="lineCov"> 105 : msg_progress(&quot;Resizing...\n&quot;);</span></a>
<a name="1638"><span class="lineNum"> 1638 </span> : </a>
<a name="1639"><span class="lineNum"> 1639 </span> : /* now change the size of all parities */</a>
<a name="1640"><span class="lineNum"> 1640 </span><span class="lineCov"> 640 : for (l = 0; l &lt; state-&gt;level; ++l) {</span></a>
<a name="1641"><span class="lineNum"> 1641 </span> : int is_modified;</a>
<a name="1642"><span class="lineNum"> 1642 </span> : </a>
<a name="1643"><span class="lineNum"> 1643 </span> : /*</a>
<a name="1644"><span class="lineNum"> 1644 </span> : * Change the size of the parity file, truncating or extending it</a>
<a name="1645"><span class="lineNum"> 1645 </span> : * from this point all the DELETED blocks after the end of the parity are invalid</a>
<a name="1646"><span class="lineNum"> 1646 </span> : * and they are automatically removed when we save the new content file</a>
<a name="1647"><span class="lineNum"> 1647 </span> : */</a>
<a name="1648"><span class="lineNum"> 1648 </span><span class="lineCov"> 535 : ret = parity_chsize(&amp;parity_handle[l], &amp;state-&gt;parity[l], &amp;is_modified, size, state-&gt;block_size, state-&gt;opt.skip_fallocate, state-&gt;opt.skip_space_holder);</span></a>
<a name="1649"><span class="lineNum"> 1649 </span><span class="lineCov"> 535 : if (ret == -1) {</span></a>
<a name="1650"><span class="lineNum"> 1650 </span> : /* LCOV_EXCL_START */</a>
<a name="1651"><span class="lineNum"> 1651 </span> : data_off_t out_size;</a>
<a name="1652"><span class="lineNum"> 1652 </span> : parity_size(&amp;parity_handle[l], &amp;out_size);</a>
<a name="1653"><span class="lineNum"> 1653 </span> : parity_overflow(state, out_size);</a>
<a name="1654"><span class="lineNum"> 1654 </span> : log_fatal(errno, &quot;WARNING! Without a usable %s file, it isn't possible to sync.\n&quot;, lev_name(l));</a>
<a name="1655"><span class="lineNum"> 1655 </span> : exit(EXIT_FAILURE);</a>
<a name="1656"><span class="lineNum"> 1656 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1657"><span class="lineNum"> 1657 </span> : }</a>
<a name="1658"><span class="lineNum"> 1658 </span> : </a>
<a name="1659"><span class="lineNum"> 1659 </span><span class="lineCov"> 535 : if (is_modified)</span></a>
<a name="1660"><span class="lineNum"> 1660 </span><span class="lineCov"> 200 : state-&gt;need_write = 1;</span></a>
<a name="1661"><span class="lineNum"> 1661 </span> : }</a>
<a name="1662"><span class="lineNum"> 1662 </span> : </a>
<a name="1663"><span class="lineNum"> 1663 </span> : /* after resizing parity files, refresh again the free info */</a>
<a name="1664"><span class="lineNum"> 1664 </span><span class="lineCov"> 105 : state_refresh(state);</span></a>
<a name="1665"><span class="lineNum"> 1665 </span> : </a>
<a name="1666"><span class="lineNum"> 1666 </span> : /**</a>
<a name="1667"><span class="lineNum"> 1667 </span> : * Save the new state before the sync but after the hashing phase</a>
<a name="1668"><span class="lineNum"> 1668 </span> : *</a>
<a name="1669"><span class="lineNum"> 1669 </span> : * This allows to recover after an aborted sync, and at the same time</a>
<a name="1670"><span class="lineNum"> 1670 </span> : * it allows to recover broken copied/moved files identified in the</a>
<a name="1671"><span class="lineNum"> 1671 </span> : * hashing phase.</a>
<a name="1672"><span class="lineNum"> 1672 </span> : *</a>
<a name="1673"><span class="lineNum"> 1673 </span> : * For example, think at this case:</a>
<a name="1674"><span class="lineNum"> 1674 </span> : * - Add some files at the array</a>
<a name="1675"><span class="lineNum"> 1675 </span> : * - Run a sync command, it will recompute the parity adding the new files</a>
<a name="1676"><span class="lineNum"> 1676 </span> : * - Abort the sync command before it stores the new content file</a>
<a name="1677"><span class="lineNum"> 1677 </span> : * - Delete the not yet synced files from the array</a>
<a name="1678"><span class="lineNum"> 1678 </span> : * - Run a new sync command</a>
<a name="1679"><span class="lineNum"> 1679 </span> : *</a>
<a name="1680"><span class="lineNum"> 1680 </span> : * The sync command has no way to know that the parity file was modified</a>
<a name="1681"><span class="lineNum"> 1681 </span> : * because the files triggering these changes are now deleted and they aren't</a>
<a name="1682"><span class="lineNum"> 1682 </span> : * listed in the content file.</a>
<a name="1683"><span class="lineNum"> 1683 </span> : * Instead, saving the new content file in advance, keeps track of all the parity</a>
<a name="1684"><span class="lineNum"> 1684 </span> : * that may be modified.</a>
<a name="1685"><span class="lineNum"> 1685 </span> : */</a>
<a name="1686"><span class="lineNum"> 1686 </span><span class="lineCov"> 105 : if (!state-&gt;opt.skip_content_write) {</span></a>
<a name="1687"><span class="lineNum"> 1687 </span><span class="lineCov"> 105 : if (state-&gt;need_write)</span></a>
<a name="1688"><span class="lineNum"> 1688 </span><span class="lineCov"> 94 : state_write(state);</span></a>
<a name="1689"><span class="lineNum"> 1689 </span> : } else {</a>
<a name="1690"><span class="lineNum"> 1690 </span><span class="lineNoCov"> 0 : log_fatal(EUSER, &quot;WARNING! Skipped state write for --test-skip-content-write option.\n&quot;);</span></a>
<a name="1691"><span class="lineNum"> 1691 </span> : }</a>
<a name="1692"><span class="lineNum"> 1692 </span> : </a>
<a name="1693"><span class="lineNum"> 1693 </span><span class="lineCov"> 105 : if (state-&gt;opt.kill_before_sync) {</span></a>
<a name="1694"><span class="lineNum"> 1694 </span><span class="lineCov"> 2 : log_fatal(EUSER, &quot;WARNING! Killing due --test-kill-before-sync option.\n&quot;);</span></a>
<a name="1695"><span class="lineNum"> 1695 </span><span class="lineCov"> 2 : exit(EXIT_SUCCESS);</span></a>
<a name="1696"><span class="lineNum"> 1696 </span> : }</a>
<a name="1697"><span class="lineNum"> 1697 </span> : </a>
<a name="1698"><span class="lineNum"> 1698 </span> : /* skip degenerated cases of empty parity, or skipping all */</a>
<a name="1699"><span class="lineNum"> 1699 </span><span class="lineCov"> 103 : if (blockstart &lt; blockmax) {</span></a>
<a name="1700"><span class="lineNum"> 1700 </span><span class="lineCov"> 100 : ret = state_sync_process(state, parity_handle, blockstart, blockmax);</span></a>
<a name="1701"><span class="lineNum"> 1701 </span><span class="lineCov"> 88 : if (ret == -1) {</span></a>
<a name="1702"><span class="lineNum"> 1702 </span> : /* LCOV_EXCL_START */</a>
<a name="1703"><span class="lineNum"> 1703 </span> : ++process_error;</a>
<a name="1704"><span class="lineNum"> 1704 </span> : /* continue, as we are already exiting */</a>
<a name="1705"><span class="lineNum"> 1705 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1706"><span class="lineNum"> 1706 </span> : }</a>
<a name="1707"><span class="lineNum"> 1707 </span> : } else {</a>
<a name="1708"><span class="lineNum"> 1708 </span><span class="lineCov"> 3 : msg_status(&quot;Nothing to sync.\n&quot;);</span></a>
<a name="1709"><span class="lineNum"> 1709 </span> : }</a>
<a name="1710"><span class="lineNum"> 1710 </span> : }</a>
<a name="1711"><span class="lineNum"> 1711 </span> : </a>
<a name="1712"><span class="lineNum"> 1712 </span><span class="lineCov"> 574 : for (l = 0; l &lt; state-&gt;level; ++l) {</span></a>
<a name="1713"><span class="lineNum"> 1713 </span><span class="lineCov"> 482 : ret = parity_close(&amp;parity_handle[l]);</span></a>
<a name="1714"><span class="lineNum"> 1714 </span><span class="lineCov"> 482 : if (ret == -1) {</span></a>
<a name="1715"><span class="lineNum"> 1715 </span> : /* LCOV_EXCL_START */</a>
<a name="1716"><span class="lineNum"> 1716 </span> : log_tag(&quot;parity_%s:%u:%s: Close error. %s.\n&quot;, es(errno), blockmax, lev_config_name(l), strerror(errno));</a>
<a name="1717"><span class="lineNum"> 1717 </span> : log_fatal_errno(errno, lev_config_name(l));</a>
<a name="1718"><span class="lineNum"> 1718 </span> : </a>
<a name="1719"><span class="lineNum"> 1719 </span> : ++process_error;</a>
<a name="1720"><span class="lineNum"> 1720 </span> : /* continue, as we are already exiting */</a>
<a name="1721"><span class="lineNum"> 1721 </span> : /* LCOV_EXCL_STOP */</a>
<a name="1722"><span class="lineNum"> 1722 </span> : }</a>
<a name="1723"><span class="lineNum"> 1723 </span> : }</a>
<a name="1724"><span class="lineNum"> 1724 </span> : </a>
<a name="1725"><span class="lineNum"> 1725 </span><span class="lineCov"> 92 : if (process_error != 0)</span></a>
<a name="1726"><span class="lineNum"> 1726 </span><span class="lineCov"> 12 : return -1;</span></a>
<a name="1727"><span class="lineNum"> 1727 </span><span class="lineCov"> 80 : return 0;</span></a>
<a name="1728"><span class="lineNum"> 1728 </span> : }</a>
<a name="1729"><span class="lineNum"> 1729 </span> : </a>
</pre>
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