From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Date: Thu, 17 Jul 2014 03:44:10 +0000 (+0800)
Subject: Btrfs: fall into nocompression codes quickly if possible
X-Git-Tag: fixes-against-v3.18-rc2~120^2~97
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7816030eb48e00a36ecdc23d484b960922feee67;p=pandora-kernel.git

Btrfs: fall into nocompression codes quickly if possible

If flag NOCOMPRESS is set which means bad compression ratio,
we could avoid call cow_file_range_async() for this case earlier.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
---

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