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Commit abb9b22a authored by Guoqing Jiang's avatar Guoqing Jiang Committed by NeilBrown
Browse files

md-cluster: Read the disk bitmap sb and check if it needs recovery 



In gather_all_resync_info, we need to read the disk bitmap sb and
check if it needs recovery.

Reviewed-by: default avatarGoldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: default avatarGuoqing Jiang <gqjiang@suse.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.com>
parent eece075c

drivers/md/md-cluster.c

+15 −1
Original line number Original line Diff line number Diff line
@@ -625,6 +625,7 @@ static int gather_all_resync_info(struct mddev *mddev, int total_slots) 
	struct dlm_lock_resource *bm_lockres;

	struct dlm_lock_resource *bm_lockres;

	struct suspend_info *s;

	struct suspend_info *s;

	char str[64];

	char str[64];

	sector_t lo, hi;









	for (i = 0; i < total_slots; i++) {

	for (i = 0; i < total_slots; i++) {
@@ -659,7 +660,20 @@ static int gather_all_resync_info(struct mddev *mddev, int total_slots) 
			lockres_free(bm_lockres);

			lockres_free(bm_lockres);

			goto out;

			goto out;

		}

		}

		/* TODO: Read the disk bitmap sb and check if it needs recovery */



		/* Read the disk bitmap sb and check if it needs recovery */

		ret = bitmap_copy_from_slot(mddev, i, &lo, &hi, false);

		if (ret) {

			pr_warn("md-cluster: Could not gather bitmaps from slot %d", i);

			lockres_free(bm_lockres);

			continue;

		}

		if ((hi > 0) && (lo < mddev->recovery_cp)) {

			set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);

			mddev->recovery_cp = lo;

			md_check_recovery(mddev);

		}



		dlm_unlock_sync(bm_lockres);

		dlm_unlock_sync(bm_lockres);

		lockres_free(bm_lockres);

		lockres_free(bm_lockres);

	}

	}