From: Vaughan Cao <vaughan.cao@oracle.com>
Date: Thu, 29 Aug 2013 02:00:37 +0000 (+0800)
Subject: [SCSI] sg: no need sg_open_exclusive_lock
X-Git-Tag: v3.12-rc1~180^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00b2d9d6d05b56fc1d77071ff8ccbd2c65b48dec;p=pandora-kernel.git

[SCSI] sg: no need sg_open_exclusive_lock

Open exclusive check is protected by o_sem, no need sg_open_exclusive_lock.
@exclude is used to record which type of rwsem we are holding.

Signed-off-by: Vaughan Cao <vaughan.cao@oracle.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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