From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Thu, 30 Apr 2009 23:44:57 +0000 (+0200)
Subject: kill-the-BKL/reiserfs: release the write lock inside reiserfs_read_bitmap_block()
X-Git-Tag: v2.6.33-rc1~360^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c5eface5d0e4eb7f77be346193c2850e7e3b983;p=pandora-kernel.git

kill-the-BKL/reiserfs: release the write lock inside reiserfs_read_bitmap_block()

reiserfs_read_bitmap_block() uses sb_bread() to read the bitmap block. This
helper might sleep.

Then, when the bkl was used, it was released at this point. We can then
relax the write lock too here.

[ Impact: release the reiserfs write lock when it is not needed ]

Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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