diff options
| author |   Guoqing Jiang <gqjiang@suse.com> | 2018-10-18 16:37:43 +0800 |
|---|---|---|
| committer |   Shaohua Li <shli@fb.com> | 2018-10-18 09:36:35 -0700 |
| commit | 5ebaf80bc8d5826edcc2d1cea26a7d5a4b8f01dd (patch) | |
| tree | 0e166faec3a57e864b364e3bbfd944b996998c36 /drivers/md/md-cluster.c | |
| parent | md-cluster/raid10: support add disk under grow mode (diff) | |
| download | linux-dev-5ebaf80bc8d5826edcc2d1cea26a7d5a4b8f01dd.tar.xz linux-dev-5ebaf80bc8d5826edcc2d1cea26a7d5a4b8f01dd.zip | |
md-cluster: introduce resync_info_get interface for sanity check
Since the resync region from suspend_info means one node
is reshaping this area, so the position of reshape_progress
should be included in the area.
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md/md-cluster.c')
| -rw-r--r-- | drivers/md/md-cluster.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index e223fae80da3..ca4a35f8bad8 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -1323,6 +1323,19 @@ static int resync_start(struct mddev *mddev) return dlm_lock_sync_interruptible(cinfo->resync_lockres, DLM_LOCK_EX, mddev); } +static void resync_info_get(struct mddev *mddev, sector_t *lo, sector_t *hi) +{ + struct md_cluster_info *cinfo = mddev->cluster_info; + struct suspend_info *s; + + spin_lock_irq(&cinfo->suspend_lock); + list_for_each_entry(s, &cinfo->suspend_list, list) { + *lo = s->lo; + *hi = s->hi; + } + spin_unlock_irq(&cinfo->suspend_lock); +} + static int resync_info_update(struct mddev *mddev, sector_t lo, sector_t hi) { struct md_cluster_info *cinfo = mddev->cluster_info; @@ -1562,6 +1575,7 @@ static struct md_cluster_operations cluster_ops = { .resync_start = resync_start, .resync_finish = resync_finish, .resync_info_update = resync_info_update, + .resync_info_get = resync_info_get, .metadata_update_start = metadata_update_start, .metadata_update_finish = metadata_update_finish, .metadata_update_cancel = metadata_update_cancel, |