Commit 8f8ba1d7 authored Feb 26, 2015 by Trond Myklebust

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

parent a08a8cd3

fs/nfs/inode.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;