From: Scott Mayhew <smayhew@redhat.com>
Date: Mon, 4 Aug 2014 21:37:27 +0000 (-0400)
Subject: nfs: reject changes to resvport and sharecache during remount
X-Git-Tag: cleanup-for-v3.18~41^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71a6ec8ac587418ceb6b420def1ca44b334c1ff7;p=pandora-kernel.git

nfs: reject changes to resvport and sharecache during remount

Commit c8e47028 made it possible to change resvport/noresvport and
sharecache/nosharecache via a remount operation, neither of which should be
allowed.

Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Fixes: c8e47028 (nfs: Apply NFS_MOUNT_CMP_FLAGMASK to nfs_compare_remount_data)
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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