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dm cache: log error message if dm_kcopyd_copy() fails

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A migration failure should be logged (albeit limited).

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Heinz Mauelshagen 2013-10-14 17:14:45 +02:00 • committed by Mike Snitzer
parent 80f659f3f5
commit 2c2263c93f
1 changed files with 3 additions and 1 deletions
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4
drivers/md/dm-cache-target.c
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@ -886,8 +886,10 @@ static void issue_copy_real(struct dm_cache_migration *mg)
r = dm_kcopyd_copy(cache->copier, &o_region, 1, &c_region, 0, copy_complete, mg); r = dm_kcopyd_copy(cache->copier, &o_region, 1, &c_region, 0, copy_complete, mg);
} }
if (r < 0) if (r < 0) {
DMERR_LIMIT("issuing migration failed");
migration_failure(mg); migration_failure(mg);
}
} }
static void avoid_copy(struct dm_cache_migration *mg) static void avoid_copy(struct dm_cache_migration *mg)