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dm cache: log error message if dm_kcopyd_copy() fails
author
Heinz Mauelshagen
<heinzm@redhat.com>
Mon, 14 Oct 2013 15:14:45 +0000
(17:14 +0200)
committer
Mike Snitzer
<snitzer@redhat.com>
Sat, 9 Nov 2013 23:20:19 +0000
(18:20 -0500)
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>
drivers/md/dm-cache-target.c
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diff --git
a/drivers/md/dm-cache-target.c
b/drivers/md/dm-cache-target.c
index
dc63eb2
..
05a10c0
100644
(file)
--- a/
drivers/md/dm-cache-target.c
+++ b/
drivers/md/dm-cache-target.c
@@
-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);
}
- if (r < 0)
+ if (r < 0) {
+ DMERR_LIMIT("issuing migration failed");
migration_failure(mg);
+ }
}
static void avoid_copy(struct dm_cache_migration *mg)