From: Tejun Heo <tj@kernel.org>
Date: Sat, 13 Nov 2010 10:55:17 +0000 (+0100)
Subject: block: check bdev_read_only() from blkdev_get()
X-Git-Tag: v2.6.38-rc1~231^2~20^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75f1dc0d076d1c1168f2115f1941ea627d38bd5a;p=pandora-kernel.git

block: check bdev_read_only() from blkdev_get()

bdev read-only status can be queried using bdev_read_only() and may
change while the device is being opened.  Enforce it by checking it
from blkdev_get() after open succeeds.

This makes bdev_read_only() check in open_bdev_exclusive() and
fsg_lun_open() unnecessary.  Drop them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: linux-usb@vger.kernel.org
---

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