Commit 23ad5b17 authored Jan 30, 2014 by Kusanagi Kouichi Committed by Josef Bacik Mar 10, 2014

btrfs: Return EXDEV for cross file system snapshot



EXDEV seems an appropriate error if an operation fails bacause it
crosses file system boundaries.

Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Josef Bacik <jbacik@fb.com>

parent 827463c4

fs/btrfs/ioctl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1573,7 +1573,7 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
		if (src_inode->i_sb != file_inode(file)->i_sb) {
		btrfs_info(BTRFS_I(src_inode)->root->fs_info,
		"Snapshot src from another FS");
		ret = -EINVAL;
		ret = -EXDEV;
		} else if (!inode_owner_or_capable(src_inode)) {
		/*
		* Subvolume creation is not restricted, but snapshots