diff options
| -rw-r--r-- | drivers/md/md-cluster.c | 20 | ||||
| -rw-r--r-- | drivers/md/md-cluster.h | 1 | ||||
| -rw-r--r-- | drivers/md/md.c | 1 | ||||
| -rw-r--r-- | drivers/md/raid1.c | 11 |
4 files changed, 30 insertions, 3 deletions
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 6b0dffebc90f..d85a6ca4443e 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -723,6 +723,25 @@ static void resync_finish(struct mddev *mddev) resync_send(mddev, RESYNCING, 0, 0); } +static int area_resyncing(struct mddev *mddev, sector_t lo, sector_t hi) +{ + struct md_cluster_info *cinfo = mddev->cluster_info; + int ret = 0; + struct suspend_info *s; + + spin_lock_irq(&cinfo->suspend_lock); + if (list_empty(&cinfo->suspend_list)) + goto out; + list_for_each_entry(s, &cinfo->suspend_list, list) + if (hi > s->lo && lo < s->hi) { + ret = 1; + break; + } +out: + spin_unlock_irq(&cinfo->suspend_lock); + return ret; +} + static struct md_cluster_operations cluster_ops = { .join = join, .leave = leave, @@ -733,6 +752,7 @@ static struct md_cluster_operations cluster_ops = { .metadata_update_start = metadata_update_start, .metadata_update_finish = metadata_update_finish, .metadata_update_cancel = metadata_update_cancel, + .area_resyncing = area_resyncing, }; static int __init cluster_init(void) diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h index 054f9eafa065..03785402afaa 100644 --- a/drivers/md/md-cluster.h +++ b/drivers/md/md-cluster.h @@ -17,6 +17,7 @@ struct md_cluster_operations { int (*metadata_update_start)(struct mddev *mddev); int (*metadata_update_finish)(struct mddev *mddev); int (*metadata_update_cancel)(struct mddev *mddev); + int (*area_resyncing)(struct mddev *mddev, sector_t lo, sector_t hi); }; #endif /* _MD_CLUSTER_H */ diff --git a/drivers/md/md.c b/drivers/md/md.c index a1af24d369fc..fe0484648de4 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -68,6 +68,7 @@ static LIST_HEAD(pers_list); static DEFINE_SPINLOCK(pers_lock); struct md_cluster_operations *md_cluster_ops; +EXPORT_SYMBOL(md_cluster_ops); struct module *md_cluster_mod; EXPORT_SYMBOL(md_cluster_mod); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 4153da5d4011..3aa58ab5b1fd 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1101,8 +1101,10 @@ static void make_request(struct mddev *mddev, struct bio * bio) md_write_start(mddev, bio); /* wait on superblock update early */ if (bio_data_dir(bio) == WRITE && - bio_end_sector(bio) > mddev->suspend_lo && - bio->bi_iter.bi_sector < mddev->suspend_hi) { + ((bio_end_sector(bio) > mddev->suspend_lo && + bio->bi_iter.bi_sector < mddev->suspend_hi) || + (mddev_is_clustered(mddev) && + md_cluster_ops->area_resyncing(mddev, bio->bi_iter.bi_sector, bio_end_sector(bio))))) { /* As the suspend_* range is controlled by * userspace, we want an interruptible * wait. @@ -1113,7 +1115,10 @@ static void make_request(struct mddev *mddev, struct bio * bio) prepare_to_wait(&conf->wait_barrier, &w, TASK_INTERRUPTIBLE); if (bio_end_sector(bio) <= mddev->suspend_lo || - bio->bi_iter.bi_sector >= mddev->suspend_hi) + bio->bi_iter.bi_sector >= mddev->suspend_hi || + (mddev_is_clustered(mddev) && + !md_cluster_ops->area_resyncing(mddev, + bio->bi_iter.bi_sector, bio_end_sector(bio)))) break; schedule(); } |