From: Li Zefan <lizf@cn.fujitsu.com>
Date: Mon, 25 Oct 2010 07:11:43 +0000 (+0800)
Subject: btrfs: Fix bugs in zlib workspace
X-Git-Tag: v2.6.38-rc1~14^2~15^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8844355df7f4e091b03cc131e1549631238b397b;p=pandora-kernel.git

btrfs: Fix bugs in zlib workspace

- Fix a race that can result in alloc_workspace > cpus.
- Fix to check num_workspace after wakeup.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
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