From: Pavel Shilovsky <pshilovsky@etersoft.ru>
Date: Wed, 19 Sep 2012 13:22:44 +0000 (-0700)
Subject: CIFS: Check for mandatory brlocks on read/write
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~66^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=579f9053236c796d718162c37c72bb3bd32d008c;p=pandora-kernel.git

CIFS: Check for mandatory brlocks on read/write

Currently CIFS code accept read/write ops on mandatory locked area
when two processes use the same file descriptor - it's wrong.
Fix this by serializing io and brlock operations on the inode.

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