From: Jan Kara <jack@suse.cz>
Date: Tue, 12 Jun 2012 14:20:32 +0000 (+0200)
Subject: btrfs: Push mnt_want_write() outside of i_mutex
X-Git-Tag: v3.6-rc1~18^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7848683ae7ded0a4a8964122a47da9104a98337;p=pandora-kernel.git

btrfs: Push mnt_want_write() outside of i_mutex

When mnt_want_write() starts to handle freezing it will get a full lock
semantics requiring proper lock ordering. So push mnt_want_write() call
consistently outside of i_mutex.

CC: Chris Mason <chris.mason@oracle.com>
CC: linux-btrfs@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

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