From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Fri, 27 Feb 2015 00:52:06 +0000 (-0500)
Subject: NFSv4: Set a barrier in the update_changeattr() helper
X-Git-Tag: omap-for-v4.1/wl12xx-dt~60^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3235b40303b6f609c446275d0e7f6f9f4fe94156;p=pandora-kernel.git

NFSv4: Set a barrier in the update_changeattr() helper

Ensure that we don't regress the changes that were made to the
directory.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
---

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index c66c1df467f4..5026c44a98e1 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1249,6 +1249,7 @@ unsigned long nfs_inc_attr_generation_counter(void)
 {
 	return atomic_long_inc_return(&nfs_attr_generation_counter);
 }
+EXPORT_SYMBOL_GPL(nfs_inc_attr_generation_counter);
 
 void nfs_fattr_init(struct nfs_fattr *fattr)
 {
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