From 9b6e817d022fd44fe99db92f00d4b18ac2d8f429 Mon Sep 17 00:00:00 2001
From: Gerhard Heift <gerhard@heift.name>
Date: Thu, 30 Jan 2014 16:24:00 +0100
Subject: [PATCH] btrfs: tree_search, copy_to_sk: return needed size on
 EOVERFLOW

If an item in tree_search is too large to be stored in the given buffer, return
the needed size (including the header).

Signed-off-by: Gerhard Heift <Gerhard@Heift.Name>
Signed-off-by: Chris Mason <clm@fb.com>
Acked-by: David Sterba <dsterba@suse.cz>
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Reading git-format-patch failed