From 8f8ba1d739b7047e2e1d91735716af2799ff2b1e Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Thu, 26 Feb 2015 17:54:58 -0500 Subject: NFSv4: Add attribute update barriers to delegreturn and pNFS layoutcommit Ensure that other operations that race with delegreturn and layoutcommit cannot revert the attribute updates that were made on the server. Signed-off-by: Trond Myklebust Tested-by: Chuck Lever --- fs/nfs/inode.c | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/nfs') diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index ff9a6795da46..cd094d652199 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1555,6 +1555,7 @@ int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fa int status; spin_lock(&inode->i_lock); + nfs_fattr_set_barrier(fattr); status = nfs_post_op_update_inode_force_wcc_locked(inode, fattr); spin_unlock(&inode->i_lock); return status; -- cgit v1.2.3