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authorLiu Bo <bo.li.liu@oracle.com>2017-03-29 10:54:26 -0700
committerDavid Sterba <dsterba@suse.com>2017-04-18 14:07:26 +0200
commitabad60c6013d62f4ddd19667260e2e4a957a9c2a (patch)
treec4cdc9d387371330e527f0db022778c5d0aad539 /fs/btrfs
parent1bcd7aa17fc1fa29009feec3e0ac4230d0d9f700 (diff)
downloadlinux-abad60c6013d62f4ddd19667260e2e4a957a9c2a.tar.bz2
Btrfs: fix wrong failed mirror_num of read-repair on raid56
In raid56 scenario, after trying parity recovery, we didn't set mirror_num for btrfs_bio with failed mirror_num, hence end_bio_extent_readpage() will report a random mirror_num in dmesg log. Cc: David Sterba <dsterba@suse.cz> Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/raid56.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index a8954f5188b4..7bf65d9a9bd3 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -2117,6 +2117,11 @@ int raid56_parity_recover(struct btrfs_fs_info *fs_info, struct bio *bio,
struct btrfs_raid_bio *rbio;
int ret;
+ if (generic_io) {
+ ASSERT(bbio->mirror_num == mirror_num);
+ btrfs_io_bio(bio)->mirror_num = mirror_num;
+ }
+
rbio = alloc_rbio(fs_info, bbio, stripe_len);
if (IS_ERR(rbio)) {
if (generic_io)