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| author | Goldwyn Rodrigues <rgoldwyn@suse.com> | 2014-08-12 19:13:19 +0400 |
|---|---|---|
| committer | Goldwyn Rodrigues <rgoldwyn@suse.com> | 2015-02-23 18:59:07 +0300 |
| commit | 7d49ffcfa3cc08aa2301bf3fdb1e423a3fd33ee7 (patch) | |
| tree | 1578bbe756d7d104d0fffa67bc55e4711904a38c /drivers/md/raid1.c | |
| parent | 589a1c491621ab81a1955d17d634636522c1b4c1 (diff) | |
| download | linux-7d49ffcfa3cc08aa2301bf3fdb1e423a3fd33ee7.tar.xz | |
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.
Signed-off-by: Lidong Zhong <lzhong@suse.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 3aa58ab5b1fd..f70d74189d16 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -539,7 +539,13 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect has_nonrot_disk = 0; choose_next_idle = 0; - choose_first = (conf->mddev->recovery_cp < this_sector + sectors); + if ((conf->mddev->recovery_cp < this_sector + sectors) || + (mddev_is_clustered(conf->mddev) && + md_cluster_ops->area_resyncing(conf->mddev, this_sector, + this_sector + sectors))) + choose_first = 1; + else + choose_first = 0; for (disk = 0 ; disk < conf->raid_disks * 2 ; disk++) { sector_t dist; |