lustre: don't open-code kernel_recvmsg()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
index c3b6716..733c79e 100644 (file)
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
@@ -215,15 +215,8 @@ ksocknal_lib_recv_iov (ksock_conn_t *conn)
 #endif
        struct iovec *iov = conn->ksnc_rx_iov;
        struct msghdr msg = {
-               .msg_name       = NULL,
-               .msg_namelen    = 0,
-               .msg_iov        = scratchiov,
-               .msg_iovlen     = niov,
-               .msg_control    = NULL,
-               .msg_controllen = 0,
                .msg_flags      = 0
        };
-       mm_segment_t oldmm = get_fs();
        int       nob;
        int       i;
        int       rc;
@@ -241,10 +234,8 @@ ksocknal_lib_recv_iov (ksock_conn_t *conn)
        }
        LASSERT (nob <= conn->ksnc_rx_nob_wanted);
 
-       set_fs (KERNEL_DS);
-       rc = sock_recvmsg (conn->ksnc_sock, &msg, nob, MSG_DONTWAIT);
-       /* NB this is just a boolean..........................^ */
-       set_fs (oldmm);
+       rc = kernel_recvmsg(conn->ksnc_sock, &msg,
+               (struct kvec *)scratchiov, niov, nob, MSG_DONTWAIT);
 
        saved_csum = 0;
        if (conn->ksnc_proto == &ksocknal_protocol_v2x) {
@@ -333,14 +324,8 @@ ksocknal_lib_recv_kiov (ksock_conn_t *conn)
 #endif
        lnet_kiov_t   *kiov = conn->ksnc_rx_kiov;
        struct msghdr msg = {
-               .msg_name       = NULL,
-               .msg_namelen    = 0,
-               .msg_iov        = scratchiov,
-               .msg_control    = NULL,
-               .msg_controllen = 0,
                .msg_flags      = 0
        };
-       mm_segment_t oldmm = get_fs();
        int       nob;
        int       i;
        int       rc;
@@ -348,12 +333,13 @@ ksocknal_lib_recv_kiov (ksock_conn_t *conn)
        void    *addr;
        int       sum;
        int       fragnob;
+       int n;
 
        /* NB we can't trust socket ops to either consume our iovs
         * or leave them alone. */
        if ((addr = ksocknal_lib_kiov_vmap(kiov, niov, scratchiov, pages)) != NULL) {
                nob = scratchiov[0].iov_len;
-               msg.msg_iovlen = 1;
+               n = 1;
 
        } else {
                for (nob = i = 0; i < niov; i++) {
@@ -361,15 +347,13 @@ ksocknal_lib_recv_kiov (ksock_conn_t *conn)
                        scratchiov[i].iov_base = kmap(kiov[i].kiov_page) +
                                                 kiov[i].kiov_offset;
                }
-               msg.msg_iovlen = niov;
+               n = niov;
        }
 
        LASSERT (nob <= conn->ksnc_rx_nob_wanted);
 
-       set_fs (KERNEL_DS);
-       rc = sock_recvmsg (conn->ksnc_sock, &msg, nob, MSG_DONTWAIT);
-       /* NB this is just a boolean.......................^ */
-       set_fs (oldmm);
+       rc = kernel_recvmsg(conn->ksnc_sock, &msg,
+                       (struct kvec *)scratchiov, n, nob, MSG_DONTWAIT);
 
        if (conn->ksnc_msg.ksm_csum != 0) {
                for (i = 0, sum = rc; sum > 0; i++, sum -= fragnob) {

diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-tcpip.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-tcpip.c
index 9bd08d6..7539fe1 100644 (file)
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-tcpip.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-tcpip.c
@@ -330,17 +330,11 @@ libcfs_sock_read (struct socket *sock, void *buffer, int nob, int timeout)
        LASSERT (ticks > 0);
 
        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      = 0
                };
 
@@ -359,11 +353,9 @@ libcfs_sock_read (struct socket *sock, void *buffer, int nob, int timeout)
                        return rc;
                }
 
-               set_fs(KERNEL_DS);
                then = jiffies;
-               rc = sock_recvmsg(sock, &msg, iov.iov_len, 0);
+               rc = kernel_recvmsg(sock, &msg, &iov, 1, nob, 0);
                ticks -= jiffies - then;
-               set_fs(oldmm);
 
                if (rc < 0)
                        return rc;