diff options
| author | Song Liu <songliubraving@fb.com> | 2019-04-16 09:34:21 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-25 18:25:37 +0200 |
| commit | 86064569c02163444124f8d626d37c3f7a31f915 (patch) | |
| tree | 2f72c2f8ea6d3acbc3fb4388b007d0e23fce899d /drivers/md/raid5.c | |
| parent | 0b140ec2c527c0a8ee228c50ab8d311d71823653 (diff) | |
Revert "Don't jump to compute_result state from check_result state"
commit a25d8c327bb41742dbd59f8c545f59f3b9c39983 upstream.
This reverts commit 4f4fd7c5798bbdd5a03a60f6269cf1177fbd11ef.
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Nigel Croxon <ncroxon@redhat.com>
Cc: Xiao Ni <xni@redhat.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index b8f887bfa06a..77a482c6eeda 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4218,15 +4218,26 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh, case check_state_check_result: sh->check_state = check_state_idle; - if (s->failed > 1) - break; /* handle a successful check operation, if parity is correct * we are done. Otherwise update the mismatch count and repair * parity if !MD_RECOVERY_CHECK */ if (sh->ops.zero_sum_result == 0) { - /* Any parity checked was correct */ - set_bit(STRIPE_INSYNC, &sh->state); + /* both parities are correct */ + if (!s->failed) + set_bit(STRIPE_INSYNC, &sh->state); + else { + /* in contrast to the raid5 case we can validate + * parity, but still have a failure to write + * back + */ + sh->check_state = check_state_compute_result; + /* Returning at this point means that we may go + * off and bring p and/or q uptodate again so + * we make sure to check zero_sum_result again + * to verify if p or q need writeback + */ + } } else { atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches); if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) { |