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Read from the first device when an area is resyncing

set choose_first true for cluster read in read balance when the area is resyncing.

Goldwyn Rodrigues committed 12 years ago

Commit 7d49ffc1 parent 589a1c41 file · +7 −1Browse files

Unified · Split

drivers/md/raid1.c+7−1
@@ -539,7 +539,13 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect · 538 unmodified lines
539 has_nonrot_disk = 0;539 has_nonrot_disk = 0;
540 choose_next_idle = 0;540 choose_next_idle = 0;
541 541
542 choose_first = (conf->mddev->recovery_cp < this_sector + sectors);542 if ((conf->mddev->recovery_cp < this_sector + sectors) ||
543 (mddev_is_clustered(conf->mddev) &&
544 md_cluster_ops->area_resyncing(conf->mddev, this_sector,
545 this_sector + sectors)))
546 choose_first = 1;
547 else
548 choose_first = 0;
543 549
544 for (disk = 0 ; disk < conf->raid_disks * 2 ; disk++) {550 for (disk = 0 ; disk < conf->raid_disks * 2 ; disk++) {
545 sector_t dist;551 sector_t dist;