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path: root/drivers/md/dm-cache-metadata.c
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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 3970cda10080..d3c55d7754af 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1326,17 +1326,19 @@ void dm_cache_metadata_set_stats(struct dm_cache_metadata *cmd,
int dm_cache_commit(struct dm_cache_metadata *cmd, bool clean_shutdown)
{
- int r;
+ int r = -EINVAL;
flags_mutator mutator = (clean_shutdown ? set_clean_shutdown :
clear_clean_shutdown);
WRITE_LOCK(cmd);
+ if (cmd->fail_io)
+ goto out;
+
r = __commit_transaction(cmd, mutator);
if (r)
goto out;
r = __begin_transaction(cmd);
-
out:
WRITE_UNLOCK(cmd);
return r;
@@ -1348,7 +1350,8 @@ int dm_cache_get_free_metadata_block_count(struct dm_cache_metadata *cmd,
int r = -EINVAL;
READ_LOCK(cmd);
- r = dm_sm_get_nr_free(cmd->metadata_sm, result);
+ if (!cmd->fail_io)
+ r = dm_sm_get_nr_free(cmd->metadata_sm, result);
READ_UNLOCK(cmd);
return r;
@@ -1360,7 +1363,8 @@ int dm_cache_get_metadata_dev_size(struct dm_cache_metadata *cmd,
int r = -EINVAL;
READ_LOCK(cmd);
- r = dm_sm_get_nr_blocks(cmd->metadata_sm, result);
+ if (!cmd->fail_io)
+ r = dm_sm_get_nr_blocks(cmd->metadata_sm, result);
READ_UNLOCK(cmd);
return r;