From 130d5b415a091e493ac1508b9d27bbb85ba7b8c0 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Fri, 20 Jun 2014 11:43:20 +0200
Subject: [PATCH] btrfs: use E2BIG instead of EIO if compression does not help

Return codes got updated in 60e1975acb48fc3d74a3422b21dde74c977ac3d5
(btrfs: return errno instead of -1 from compression)
lzo wrapper returns E2BIG in this case, do the same for zlib.

Signed-off-by: David Sterba <dsterba@suse.cz>
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