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md-cluster: introduce resync_info_get interface for sanity check

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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>
This commit is contained in:
Guoqing Jiang
2018-10-18 16:37:43 +08:00
committed by Shaohua Li
parent 7564beda19
commit 5ebaf80bc8
3 changed files with 22 additions and 1 deletions
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8
drivers/md/raid10.c
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@@ -4785,8 +4785,14 @@ static void end_reshape(struct r10conf *conf)
static void raid10_update_reshape_pos(struct mddev *mddev)
{
struct r10conf *conf = mddev->private;
sector_t lo, hi;
conf->reshape_progress = mddev->reshape_position;
md_cluster_ops->resync_info_get(mddev, &lo, &hi);
if (((mddev->reshape_position <= hi) && (mddev->reshape_position >= lo))
|| mddev->reshape_position == MaxSector)
conf->reshape_progress = mddev->reshape_position;
else
WARN_ON_ONCE(1);
}
static int handle_reshape_read_error(struct mddev *mddev,