Kusanagi Kouichi
2014-Jan-08 10:46 UTC
[PATCH] btrfs: Return EXDEV for cross file system snapshot
EXDEV seems an appropriate error if an operation fails bacause it crosses file system boundaries. Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp> --- fs/btrfs/ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 21da576..15d35cb 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1544,7 +1544,7 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file, if (src_inode->i_sb != file_inode(file)->i_sb) { printk(KERN_INFO "btrfs: Snapshot src from " "another FS\n"); - ret = -EINVAL; + ret = -EXDEV; } else { ret = btrfs_mksubvol(&file->f_path, name, namelen, BTRFS_I(src_inode)->root, -- 1.8.5.2