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Revert "Don't jump to compute_result state from check_result state" 

This reverts commit 4f4fd7c579.

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>
hifive-unleashed-5.2
Song Liu 2019-04-16 09:34:21 -07:00
parent c42d324099
commit a25d8c327b
1 changed files with 15 additions and 4 deletions
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19
drivers/md/raid5.c
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@ -4227,15 +4227,26 @@ 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)) {