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Commit 54a88392 authored by Goldwyn Rodrigues's avatar Goldwyn Rodrigues Committed by NeilBrown
Browse files

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



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

Signed-off-by: default avatarGoldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: default avatarGuoqing Jiang <gqjiang@suse.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.com>
parent 659b254f

drivers/md/md-cluster.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

drivers/md/md.c

+1 −8
Original line number Diff line number Diff line
@@ -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 @@ static int hot_remove_disk(struct mddev *mddev, dev_t dev) 


	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;