diff options
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index f50958ded9f0..79474f47eeef 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2564,6 +2564,23 @@ static int init_resync(struct r1conf *conf) return 0; } +static struct r1bio *raid1_alloc_init_r1buf(struct r1conf *conf) +{ + struct r1bio *r1bio = mempool_alloc(conf->r1buf_pool, GFP_NOIO); + struct resync_pages *rps; + struct bio *bio; + int i; + + for (i = conf->poolinfo->raid_disks; i--; ) { + bio = r1bio->bios[i]; + rps = bio->bi_private; + bio_reset(bio); + bio->bi_private = rps; + } + r1bio->master_bio = NULL; + return r1bio; +} + /* * perform a "sync" on one "block" * @@ -2649,7 +2666,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, bitmap_cond_end_sync(mddev->bitmap, sector_nr, mddev_is_clustered(mddev) && (sector_nr + 2 * RESYNC_SECTORS > conf->cluster_sync_high)); - r1_bio = mempool_alloc(conf->r1buf_pool, GFP_NOIO); + r1_bio = raid1_alloc_init_r1buf(conf); raise_barrier(conf, sector_nr); |