tree 7dc006d60d73c1c37b74bc4127ecfe0209517230
parent e24f17da3560781e274699f066fb788ad52f4402
author Jan Kara <jack@suse.cz> 1339510832 +0200
committer Al Viro <viro@zeniv.linux.org.uk> 1343682171 +0400

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>