diff options
| author | Sasha Levin <Alexander.Levin@microsoft.com> | 2018-06-15 02:39:22 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-03 11:21:24 +0200 |
| commit | 2cb1b6033d10b2c613f79da40da9777a033ad85f (patch) | |
| tree | 8e790622692b5b57184bcd085fb154574f6a2a41 /fs/btrfs/raid56.c | |
| parent | 05be10a1e87f5d65f3177fad77b9bbd9ea6018db (diff) | |
Revert "Btrfs: fix scrub to repair raid6 corruption"
This reverts commit 95b286daf7ba784191023ad110122703eb2ebabc.
This commit used an incorrect log message.
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/raid56.c')
| -rw-r--r-- | fs/btrfs/raid56.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index b9fa99577bf7..1a33d3eb36de 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -2160,21 +2160,11 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio, } /* - * Loop retry: - * for 'mirror == 2', reconstruct from all other stripes. - * for 'mirror_num > 2', select a stripe to fail on every retry. + * reconstruct from the q stripe if they are + * asking for mirror 3 */ - if (mirror_num > 2) { - /* - * 'mirror == 3' is to fail the p stripe and - * reconstruct from the q stripe. 'mirror > 3' is to - * fail a data stripe and reconstruct from p+q stripe. - */ - rbio->failb = rbio->real_stripes - (mirror_num - 1); - ASSERT(rbio->failb > 0); - if (rbio->failb <= rbio->faila) - rbio->failb--; - } + if (mirror_num == 3) + rbio->failb = rbio->real_stripes - 2; ret = lock_stripe_add(rbio); |