btrfs: return EXDEV when linking from different subvolumes

Commit Message

Mark Fasheh March 22, 2011, 5:20 p.m. UTC

None

Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 512c3d1..321ce4c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4809,7 +4809,7 @@  static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
 
 	/* do not allow sys_link's with other subvols of the same device */
 	if (root->objectid != BTRFS_I(inode)->root->objectid)
-		return -EPERM;
+		return -EXDEV;
 
 	btrfs_inc_nlink(inode);
 	inode->i_ctime = CURRENT_TIME;