NFS_UNSTABLE      838 fs/nfs/direct.c 	int sync = NFS_UNSTABLE;
NFS_UNSTABLE      820 fs/nfs/write.c 	data->args.stable  = NFS_UNSTABLE;
NFS_UNSTABLE     1151 fs/nfs/write.c 			if (resp->verf->committed != NFS_UNSTABLE) {