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 c66c1df..5026c44 100644 (file)
--- 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)
 {

diff --cc fs/nfs/nfs4proc.c
Simple merge