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Commit 480f40de authored by Al Viro's avatar Al Viro
Browse files

lustre: switch to kernel_sendmsg() 



(casts are due to misannotations in lustre; it uses iovec where kvec would be
correct type; too much noise to properly annotate right now).

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 66f5dcef

drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c

+4 −26
Original line number Diff line number Diff line
@@ -99,16 +99,7 @@ ksocknal_lib_send_iov (ksock_conn_t *conn, ksock_tx_t *tx) 
		struct iovec   *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;

		unsigned int    niov = tx->tx_niov;

#endif

		struct msghdr msg = {

			.msg_name       = NULL,

			.msg_namelen    = 0,

			.msg_iov	= scratchiov,

			.msg_iovlen     = niov,

			.msg_control    = NULL,

			.msg_controllen = 0,

			.msg_flags      = MSG_DONTWAIT

		};

		mm_segment_t oldmm = get_fs();

		struct msghdr msg = {.msg_flags = MSG_DONTWAIT};

		int  i;



		for (nob = i = 0; i < niov; i++) {
@@ -120,9 +111,7 @@ ksocknal_lib_send_iov (ksock_conn_t *conn, ksock_tx_t *tx) 
		    nob < tx->tx_resid)

			msg.msg_flags |= MSG_MORE;



		set_fs (KERNEL_DS);

		rc = sock_sendmsg(sock, &msg, nob);

		set_fs (oldmm);

		rc = kernel_sendmsg(sock, &msg, (struct kvec *)scratchiov, niov, nob);

	}

	return rc;

}
@@ -174,16 +163,7 @@ ksocknal_lib_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx) 
		struct iovec *scratchiov = conn->ksnc_scheduler->kss_scratch_iov;

		unsigned int  niov = tx->tx_nkiov;

#endif

		struct msghdr msg = {

			.msg_name       = NULL,

			.msg_namelen    = 0,

			.msg_iov	= scratchiov,

			.msg_iovlen     = niov,

			.msg_control    = NULL,

			.msg_controllen = 0,

			.msg_flags      = MSG_DONTWAIT

		};

		mm_segment_t  oldmm = get_fs();

		struct msghdr msg = {.msg_flags = MSG_DONTWAIT};

		int	   i;



		for (nob = i = 0; i < niov; i++) {
@@ -196,9 +176,7 @@ ksocknal_lib_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx) 
		    nob < tx->tx_resid)

			msg.msg_flags |= MSG_MORE;



		set_fs (KERNEL_DS);

		rc = sock_sendmsg(sock, &msg, nob);

		set_fs (oldmm);

		rc = kernel_sendmsg(sock, &msg, (struct kvec *)scratchiov, niov, nob);



		for (i = 0; i < niov; i++)

			kunmap(kiov[i].kiov_page);

drivers/staging/lustre/lustre/libcfs/linux/linux-tcpip.c

+2 −10
Original line number Diff line number Diff line
@@ -265,17 +265,11 @@ libcfs_sock_write (struct socket *sock, void *buffer, int nob, int timeout) 
	 * empty enough to take the whole message immediately */



	for (;;) {

		struct iovec  iov = {

		struct kvec  iov = {

			.iov_base = buffer,

			.iov_len  = nob

		};

		struct msghdr msg = {

			.msg_name       = NULL,

			.msg_namelen    = 0,

			.msg_iov	= &iov,

			.msg_iovlen     = 1,

			.msg_control    = NULL,

			.msg_controllen = 0,

			.msg_flags      = (timeout == 0) ? MSG_DONTWAIT : 0

		};
@@ -297,11 +291,9 @@ libcfs_sock_write (struct socket *sock, void *buffer, int nob, int timeout) 
			}

		}



		set_fs (KERNEL_DS);

		then = jiffies;

		rc = sock_sendmsg (sock, &msg, iov.iov_len);

		rc = kernel_sendmsg(sock, &msg, &iov, 1, nob);

		ticks -= jiffies - then;

		set_fs (oldmm);



		if (rc == nob)

			return 0;