From: Pavel Shilovsky <piastry@etersoft.ru>
Date: Mon, 24 Dec 2012 10:41:19 +0000 (+0400)
Subject: CIFS: Don't let read only caching for mandatory byte-range locked files
X-Git-Tag: v3.8-rc3~10^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63b7d3a41ccadef971a4ffbe6662119d4275ebf9;p=pandora-kernel.git

CIFS: Don't let read only caching for mandatory byte-range locked files

If we have mandatory byte-range locks on a file we can't cache reads
because pagereading may have conflicts with these locks on the server.
That's why we should allow level2 oplocks for files without mandatory
locks only.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
---

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