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authorHyunchul Lee <cheol.lee@lge.com>2017-07-31 16:22:20 +0900
committerMike Snitzer <snitzer@redhat.com>2017-09-11 10:07:34 -0400
commitb7e326f7b7375392d06f9cfbc27a7c63181f69d7 (patch)
treeceb313e8edf426e8d9d364e58881e3b6bdb3d9f4 /drivers/md
parent228bb5b26038a7d58b7c11af1297f34b534b59cd (diff)
downloadlinux-b7e326f7b7375392d06f9cfbc27a7c63181f69d7.tar.bz2
dm integrity: do not check integrity for failed read operations
Even though read operations fail, dm_integrity_map_continue() calls integrity_metadata() to check integrity. In this case, just complete these. This also makes it so read I/O errors do not generate integrity warnings in the kernel log. Cc: stable@vger.kernel.org Signed-off-by: Hyunchul Lee <cheol.lee@lge.com> Acked-by: Milan Broz <gmazyland@gmail.com> Acked-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-integrity.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 293a19652d55..fe5ad640a0aa 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1702,7 +1702,11 @@ sleep:
if (need_sync_io) {
wait_for_completion_io(&read_comp);
- integrity_metadata(&dio->work);
+ if (likely(!bio->bi_status))
+ integrity_metadata(&dio->work);
+ else
+ dec_in_flight(dio);
+
} else {
INIT_WORK(&dio->work, integrity_metadata);
queue_work(ic->metadata_wq, &dio->work);