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[PATCH] dm: raid1: reset sync_search on resume

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Reset sync_search on resume.  The effect is to retry syncing all out-of-sync
regions when a mirror is resumed, including ones that previously failed.

Signed-off-by: Jonathan E Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: dm-devel@redhat.com
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jonathan E Brassow 2006-12-08 02:41:12 -08:00 committed by Linus Torvalds
parent f3ee6b2f62
commit 88b20a1a71
1 changed files with 9 additions and 0 deletions
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9
drivers/md/dm-log.c
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@ -466,6 +466,7 @@ static int disk_resume(struct dirty_log *log)
/* copy clean across to sync */
memcpy(lc->sync_bits, lc->clean_bits, size);
lc->sync_count = count_bits32(lc->clean_bits, lc->bitset_uint32_count);
lc->sync_search = 0;
/* set the correct number of regions in the header */
lc->header.nr_regions = lc->region_count;
@ -480,6 +481,13 @@ static uint32_t core_get_region_size(struct dirty_log *log)
return lc->region_size;
}
static int core_resume(struct dirty_log *log)
{
struct log_c *lc = (struct log_c *) log->context;
lc->sync_search = 0;
return 0;
}
static int core_is_clean(struct dirty_log *log, region_t region)
{
struct log_c *lc = (struct log_c *) log->context;
@ -621,6 +629,7 @@ static struct dirty_log_type _core_type = {
.module = THIS_MODULE,
.ctr = core_ctr,
.dtr = core_dtr,
.resume = core_resume,
.get_region_size = core_get_region_size,
.is_clean = core_is_clean,
.in_sync = core_in_sync,