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Commit a25d8c32 authored by Song Liu's avatar Song Liu
Browse files

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



This reverts commit 4f4fd7c5.

Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Nigel Croxon <ncroxon@redhat.com>
Cc: Xiao Ni <xni@redhat.com>
Signed-off-by: default avatarSong Liu <songliubraving@fb.com>
parent c42d3240

drivers/md/raid5.c

+15 −4
Original line number Diff line number Diff line
@@ -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 */

			/* 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)) {