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dm thin metadata: don't issue prefetches if a transaction abort has failed
[sagit-ice-cold/kernel_xiaomi_msm8998.git]
/
drivers
/
md
/
dm-thin-metadata.c
diff --git
a/drivers/md/dm-thin-metadata.c
b/drivers/md/dm-thin-metadata.c
index
c219a05
..
911ada6
100644
(file)
--- a/
drivers/md/dm-thin-metadata.c
+++ b/
drivers/md/dm-thin-metadata.c
@@
-1943,5
+1943,8
@@
bool dm_pool_metadata_needs_check(struct dm_pool_metadata *pmd)
void dm_pool_issue_prefetches(struct dm_pool_metadata *pmd)
{
- dm_tm_issue_prefetches(pmd->tm);
+ down_read(&pmd->root_lock);
+ if (!pmd->fail_io)
+ dm_tm_issue_prefetches(pmd->tm);
+ up_read(&pmd->root_lock);
}