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set direct_io per open/create, now runtime configurable

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This commit is contained in:
Antonio SJ Musumeci 2019-01-09 00:01:52 -05:00
parent c36bc5320d
commit 87b2795f2b
12 changed files with 336 additions and 334 deletions
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32
src/option_parser.cpp
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@ -14,20 +14,6 @@
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <fuse.h>
#include <stddef.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string>
#include <vector>
#include <sstream>
#include <iostream>
#include <iomanip>
#include "config.hpp"
#include "errno.hpp"
#include "fs_glob.hpp"
@ -36,6 +22,20 @@
#include "str.hpp"
#include "version.hpp"
#include <fuse.h>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
using std::string;
using std::vector;
using namespace mergerfs;
@ -211,7 +211,7 @@ parse_and_process_arg(Config &config,
if(arg == "defaults")
return (set_default_options(*outargs),0);
else if(arg == "direct_io")
return (config.direct_io=true,1);
return (config.direct_io=true,0);
return 1;
}
@ -336,7 +336,7 @@ usage(void)
" splice_write, splice_move\n"
" -o func.<f>=<p> Set function <f> to policy <p>\n"
" -o category.<c>=<p> Set functions in category <c> to <p>\n"
" -o direct_io Bypass additional caching, increases write\n"
" -o direct_io Bypass page caching, may increase write\n"
" speeds at the cost of reads. Please read docs\n"
" for more details as there are tradeoffs.\n"
" -o use_ino Have mergerfs generate inode values rather than\n"