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>
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Reading git-format-patch failed