From 1b4b55a1d9404f51aacf1ff19887eb911484057d Mon Sep 17 00:00:00 2001
From: Pavel Shilovsky <pshilovsky@etersoft.ru>
Date: Wed, 19 Sep 2012 06:22:44 -0700
Subject: [PATCH] CIFS: Turn lock mutex into rw semaphore

and allow several processes to walk through the lock list and read
can_cache_brlcks value if they are not going to modify them.

Signed-off-by: Pavel Shilovsky <pshilovsky@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Reading git-format-patch failed