From 23ad5b17dce0f09af82c071b26acac35a0ab892b Mon Sep 17 00:00:00 2001
From: Kusanagi Kouichi <slash@ac.auone-net.jp>
Date: Thu, 30 Jan 2014 16:32:02 +0900
Subject: [PATCH] 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>
---
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 9a9044585da7..a692aad8fa5a 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -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
--
2.20.1