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authorMike Snitzer <snitzer@redhat.com>2016-10-04 15:22:17 -0400
committerMike Snitzer <snitzer@redhat.com>2017-02-16 13:12:48 -0500
commit48551054fc256285289f6d03abd50cb74fb71819 (patch)
treef2c3c4577c97da7ec8c9ff1fe166d1c3b1bfab65 /drivers/md/dm-cache-metadata.c
parent629d0a8a1a104187db8fbf966e4cc5cfb6aa9a3c (diff)
dm cache metadata: name the cache block that couldn't be loaded
Improves __load_mapping_v1() and __load_mapping_v2() DMERR messages to explicitly name the cache block number whose mapping couldn't be loaded. Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-cache-metadata.c')
-rw-r--r--drivers/md/dm-cache-metadata.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 0610be7846dc..5a5ef996a26a 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1316,8 +1316,10 @@ static int __load_mapping_v1(struct dm_cache_metadata *cmd,
r = fn(context, oblock, to_cblock(cb), flags & M_DIRTY,
le32_to_cpu(hint), hints_valid);
- if (r)
- DMERR("policy couldn't load cblock");
+ if (r) {
+ DMERR("policy couldn't load cache block %llu",
+ (unsigned long long) from_cblock(to_cblock(cb)));
+ }
}
return r;
@@ -1355,8 +1357,10 @@ static int __load_mapping_v2(struct dm_cache_metadata *cmd,
dirty = dm_bitset_cursor_get_value(dirty_cursor);
r = fn(context, oblock, to_cblock(cb), dirty,
le32_to_cpu(hint), hints_valid);
- if (r)
- DMERR("policy couldn't load cblock");
+ if (r) {
+ DMERR("policy couldn't load cache block %llu",
+ (unsigned long long) from_cblock(to_cblock(cb)));
+ }
}
return r;