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md-cluster: call md_kick_rdev_from_array once ack failed

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The new_disk_ack could return failure if WAITING_FOR_NEWDISK
is not set, so we need to kick the dev from array in case
failure happened.

And we missed to check err before call new_disk_ack othwise
we could kick a rdev which isn't in array, thanks for the
reminder from Shaohua.

Reviewed-by: NeilBrown <[email protected]>
Signed-off-by: Guoqing Jiang <[email protected]>
Signed-off-by: Shaohua Li <[email protected]>
This commit is contained in:
Guoqing Jiang 2016-08-12 13:42:34 +08:00 • committed by Shaohua Li
commit e566aef12a
1 changed files with 8 additions and 3 deletions
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11
drivers/md/md.c
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@ -6101,9 +6101,14 @@ static int add_new_disk(struct mddev *mddev, mdu_disk_info_t *info)
export_rdev(rdev);
if (mddev_is_clustered(mddev)) {
if (info->state & (1 << MD_DISK_CANDIDATE))
md_cluster_ops->new_disk_ack(mddev, (err == 0));
else {
if (info->state & (1 << MD_DISK_CANDIDATE)) {
if (!err) {
err = md_cluster_ops->new_disk_ack(mddev,
err == 0);
if (err)
md_kick_rdev_from_array(rdev);
}
} else {
if (err)
md_cluster_ops->add_new_disk_cancel(mddev);
else