From: Tejun Heo <tj@kernel.org>
Date: Tue, 13 Dec 2011 23:33:38 +0000 (+0100)
Subject: block: misc updates to blk_get_queue()
X-Git-Tag: v3.3-rc1~49^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09ac46c429464c919d04bb737b27edd84d944f02;p=pandora-kernel.git

block: misc updates to blk_get_queue()

* blk_get_queue() is peculiar in that it returns 0 on success and 1 on
  failure instead of 0 / -errno or boolean.  Update it such that it
  returns %true on success and %false on failure.

* Make sure the caller checks for the return value.

* Separate out __blk_get_queue() which doesn't check whether @q is
  dead and put it in blk.h.  This will be used later.

This patch doesn't introduce any functional changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

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