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Diffstat (limited to 'kernel/drivers/md/dm-thin-metadata.c')
-rw-r--r--kernel/drivers/md/dm-thin-metadata.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/drivers/md/dm-thin-metadata.c b/kernel/drivers/md/dm-thin-metadata.c
index c219a053c..911ada643 100644
--- a/kernel/drivers/md/dm-thin-metadata.c
+++ b/kernel/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);
}