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Clearifies some comments.

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This commit is contained in:
Andrea Mazzoleni 2014-07-01 22:56:18 +02:00
parent 7efd5b6f83
commit b3d8092c08
2 changed files with 6 additions and 4 deletions
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8
cmdline/elem.h
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@ -80,11 +80,11 @@ struct snapraid_filter {
* The block is new and not yet hashed.
* This happens when a new block overwrite a just removed block, or an empty space.
*
* The block hash field IS set but it may be also INVALID or ZERO,
* and it represents the hash of the OLD data.
* The block hash field MAY be set and it represents the hash of the OLD data.
* The hash may be also INVALID or ZERO.
*
* If the block was empty, the hash is set to the special ZERO value.
* If the block was lost, the hash is set to the special INVALID value.
* If the OLD block was empty, the hash is set to the special ZERO value.
* If the OLD block was lost, the hash is set to the special INVALID value.
*
* The parity for this disk is not updated, but it contains the old data referenced by the hash.
*

2
cmdline/sync.c
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@ -739,6 +739,8 @@ static int state_sync_process(struct snapraid_state* state, struct snapraid_pari
}
/* if we have only silent errors we can try to fix them on-the-fly */
/* note the the fix is not written to disk, but used only to */
/* compute the new parity */
if (!error_on_this_block && silent_error_on_this_block) {
unsigned failed_mac;
int something_to_recover = 0;