From: Alex Elder <elder@dreamhost.com>
Date: Thu, 12 Jan 2012 03:42:15 +0000 (-0800)
Subject: rbd: initialize snap_rwsem in rbd_add()
X-Git-Tag: v3.3-rc1~79^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e805a1d857799352e51e8697c0b1a30aec16913;p=pandora-kernel.git

rbd: initialize snap_rwsem in rbd_add()

New rbd device structures get initialized in rbd_add().  Many of
the fields rely on being initially zero-filled.  However we lockdep
was noticing that the rw_semaphore embedded in the header field
was not getting properly initialized.  Fix that.

Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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