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md-cluster: Fix the remove sequence with the new MD reload code

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The remove disk message does not need metadata_update_start(), but
can be an independent message.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: NeilBrown <neilb@suse.com>
This commit is contained in:
Goldwyn Rodrigues 2015-12-21 10:51:00 +11:00 committed by NeilBrown
parent 659b254fa7
commit 54a88392cd
2 changed files with 2 additions and 9 deletions
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2
drivers/md/md-cluster.c
View File

@ -997,7 +997,7 @@ static int remove_disk(struct mddev *mddev, struct md_rdev *rdev)
struct md_cluster_info *cinfo = mddev->cluster_info;
cmsg.type = cpu_to_le32(REMOVE);
cmsg.raid_slot = cpu_to_le32(rdev->desc_nr);
return __sendmsg(cinfo, &cmsg);
return sendmsg(cinfo, &cmsg);
}
static int gather_bitmaps(struct md_rdev *rdev)

9
drivers/md/md.c
View File

@ -6134,15 +6134,11 @@ static int hot_remove_disk(struct mddev *mddev, dev_t dev)
{
char b[BDEVNAME_SIZE];
struct md_rdev *rdev;
int ret = -1;
rdev = find_rdev(mddev, dev);
if (!rdev)
return -ENXIO;
if (mddev_is_clustered(mddev))
ret = md_cluster_ops->metadata_update_start(mddev);
if (rdev->raid_disk < 0)
goto kick_rdev;
@ -6153,7 +6149,7 @@ static int hot_remove_disk(struct mddev *mddev, dev_t dev)
goto busy;
kick_rdev:
if (mddev_is_clustered(mddev) && ret == 0)
if (mddev_is_clustered(mddev))
md_cluster_ops->remove_disk(mddev, rdev);
md_kick_rdev_from_array(rdev);
@ -6162,9 +6158,6 @@ kick_rdev:
return 0;
busy:
if (mddev_is_clustered(mddev) && ret == 0)
md_cluster_ops->metadata_update_cancel(mddev);
printk(KERN_WARNING "md: cannot remove active disk %s from %s ...\n",
bdevname(rdev->bdev,b), mdname(mddev));
return -EBUSY;