Commit ff24858c authored Jan 17, 2013 by Arne Jansen Committed by Chris Mason Jan 21, 2013

Btrfs: ignore orphan qgroup relations



If a qgroup that has still assignments is deleted by the user, the corresponding
relations are left in the tree. This leads to an unmountable filesystem.
With this patch, those relations are simple ignored.

Reported-by: Eric Hopper <hopper@omnifarious.org>
Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

parent 57ba86c0

fs/btrfs/qgroup.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -379,6 +379,13 @@ int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info)

		ret = add_relation_rb(fs_info, found_key.objectid,
		found_key.offset);
		if (ret == -ENOENT) {
		printk(KERN_WARNING
		"btrfs: orphan qgroup relation 0x%llx->0x%llx\n",
		(unsigned long long)found_key.objectid,
		(unsigned long long)found_key.offset);
		ret = 0; /* ignore the error */
		}
		if (ret)
		goto out;
		next2: