/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*
* Author: Zach Brown <zab@zabbo.net>
* Author: Peter J. Braam <braam@clusterfs.com>
* Author: Phil Schwan <phil@clusterfs.com>
* Author: Eric Barton <eric@bartonsoftware.com>
*
- * This file is part of Portals, http://www.sf.net/projects/sandiaportals/
+ * This file is part of Lustre, https://wiki.hpdd.intel.com/
*
* Portals is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
/* searching for a noop tx in free list */
spin_lock(&ksocknal_data.ksnd_tx_lock);
- if (!cfs_list_empty(&ksocknal_data.ksnd_idle_noop_txs)) {
- tx = cfs_list_entry(ksocknal_data.ksnd_idle_noop_txs. \
+ if (!list_empty(&ksocknal_data.ksnd_idle_noop_txs)) {
+ tx = list_entry(ksocknal_data.ksnd_idle_noop_txs. \
next, ksock_tx_t, tx_list);
LASSERT(tx->tx_desc_size == size);
- cfs_list_del(&tx->tx_list);
+ list_del(&tx->tx_list);
}
spin_unlock(&ksocknal_data.ksnd_tx_lock);
tx->tx_niov = 1;
tx->tx_nonblk = nonblk;
- socklnd_init_msg(&tx->tx_msg, KSOCK_MSG_NOOP);
+ tx->tx_msg.ksm_csum = 0;
+ tx->tx_msg.ksm_type = KSOCK_MSG_NOOP;
+ tx->tx_msg.ksm_zc_cookies[0] = 0;
tx->tx_msg.ksm_zc_cookies[1] = cookie;
return tx;
/* it's a noop tx */
spin_lock(&ksocknal_data.ksnd_tx_lock);
- cfs_list_add(&tx->tx_list, &ksocknal_data.ksnd_idle_noop_txs);
+ list_add(&tx->tx_list, &ksocknal_data.ksnd_idle_noop_txs);
spin_unlock(&ksocknal_data.ksnd_tx_lock);
} else {
}
}
-int
+static int
ksocknal_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)
{
- struct iovec *iov = tx->tx_iov;
+ struct kvec *iov = tx->tx_iov;
int nob;
int rc;
LASSERT (tx->tx_niov > 0);
if (nob < (int) iov->iov_len) {
- iov->iov_base = (void *)((char *)iov->iov_base + nob);
+ iov->iov_base += nob;
iov->iov_len -= nob;
return (rc);
}
return (rc);
}
-int
+static int
ksocknal_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx)
{
lnet_kiov_t *kiov = tx->tx_kiov;
return (rc);
}
-int
-ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
+static int
+ksocknal_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
{
- int rc;
- int bufnob;
+ int rc;
+ int bufnob;
- if (ksocknal_data.ksnd_stall_tx != 0) {
- cfs_pause(cfs_time_seconds(ksocknal_data.ksnd_stall_tx));
- }
+ if (ksocknal_data.ksnd_stall_tx != 0) {
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(cfs_time_seconds(ksocknal_data.ksnd_stall_tx));
+ }
- LASSERT (tx->tx_resid != 0);
+ LASSERT(tx->tx_resid != 0);
rc = ksocknal_connsock_addref(conn);
if (rc != 0) {
rc = ksocknal_send_kiov (conn, tx);
}
- bufnob = libcfs_sock_wmem_queued(conn->ksnc_sock);
+ bufnob = conn->ksnc_sock->sk->sk_wmem_queued;
if (rc > 0) /* sent something? */
conn->ksnc_tx_bufnob += rc; /* account it */
return (rc);
}
-int
+static int
ksocknal_recv_iov (ksock_conn_t *conn)
{
- struct iovec *iov = conn->ksnc_rx_iov;
+ struct kvec *iov = conn->ksnc_rx_iov;
int nob;
int rc;
LASSERT (conn->ksnc_rx_niov > 0);
- /* Never touch conn->ksnc_rx_iov or change connection
+ /* Never touch conn->ksnc_rx_iov or change connection
* status inside ksocknal_lib_recv_iov */
rc = ksocknal_lib_recv_iov(conn);
if (nob < (int)iov->iov_len) {
iov->iov_len -= nob;
- iov->iov_base = (void *)((char *)iov->iov_base + nob);
+ iov->iov_base += nob;
return (-EAGAIN);
}
return (rc);
}
-int
+static int
ksocknal_recv_kiov (ksock_conn_t *conn)
{
lnet_kiov_t *kiov = conn->ksnc_rx_kiov;
int rc;
LASSERT (conn->ksnc_rx_nkiov > 0);
- /* Never touch conn->ksnc_rx_kiov or change connection
+ /* Never touch conn->ksnc_rx_kiov or change connection
* status inside ksocknal_lib_recv_iov */
rc = ksocknal_lib_recv_kiov(conn);
return 1;
}
-int
+static int
ksocknal_receive (ksock_conn_t *conn)
{
/* Return 1 on success, 0 on EOF, < 0 on error.
int rc;
ENTRY;
- if (ksocknal_data.ksnd_stall_rx != 0) {
- cfs_pause(cfs_time_seconds (ksocknal_data.ksnd_stall_rx));
- }
+ if (ksocknal_data.ksnd_stall_rx != 0) {
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(cfs_time_seconds(ksocknal_data.ksnd_stall_rx));
+ }
rc = ksocknal_connsock_addref(conn);
if (rc != 0) {
}
void
-ksocknal_tx_done (lnet_ni_t *ni, ksock_tx_t *tx)
+ksocknal_tx_done(struct lnet_ni *ni, ksock_tx_t *tx, int rc)
{
- lnet_msg_t *lnetmsg = tx->tx_lnetmsg;
- int rc = (tx->tx_resid == 0 && !tx->tx_zc_aborted) ? 0 : -EIO;
+ struct lnet_msg *lnetmsg = tx->tx_lnetmsg;
ENTRY;
- LASSERT(ni != NULL || tx->tx_conn != NULL);
+ LASSERT(ni != NULL || tx->tx_conn != NULL);
- if (tx->tx_conn != NULL)
- ksocknal_conn_decref(tx->tx_conn);
+ if (!rc && (tx->tx_resid != 0 || tx->tx_zc_aborted))
+ rc = -EIO;
- if (ni == NULL && tx->tx_conn != NULL)
- ni = tx->tx_conn->ksnc_peer->ksnp_ni;
+ if (tx->tx_conn != NULL)
+ ksocknal_conn_decref(tx->tx_conn);
- ksocknal_free_tx (tx);
- if (lnetmsg != NULL) /* KSOCK_MSG_NOOP go without lnetmsg */
- lnet_finalize (ni, lnetmsg, rc);
+ ksocknal_free_tx(tx);
+ if (lnetmsg != NULL) /* KSOCK_MSG_NOOP go without lnetmsg */
+ lnet_finalize(lnetmsg, rc);
- EXIT;
+ EXIT;
}
void
-ksocknal_txlist_done (lnet_ni_t *ni, cfs_list_t *txlist, int error)
+ksocknal_txlist_done(struct lnet_ni *ni, struct list_head *txlist, int error)
{
- ksock_tx_t *tx;
-
- while (!cfs_list_empty (txlist)) {
- tx = cfs_list_entry (txlist->next, ksock_tx_t, tx_list);
-
- if (error && tx->tx_lnetmsg != NULL) {
- CNETERR("Deleting packet type %d len %d %s->%s\n",
- le32_to_cpu (tx->tx_lnetmsg->msg_hdr.type),
- le32_to_cpu (tx->tx_lnetmsg->msg_hdr.payload_length),
- libcfs_nid2str(le64_to_cpu(tx->tx_lnetmsg->msg_hdr.src_nid)),
- libcfs_nid2str(le64_to_cpu(tx->tx_lnetmsg->msg_hdr.dest_nid)));
- } else if (error) {
- CNETERR("Deleting noop packet\n");
- }
+ ksock_tx_t *tx;
+
+ while (!list_empty(txlist)) {
+ tx = list_entry(txlist->next, ksock_tx_t, tx_list);
+
+ if (error && tx->tx_lnetmsg != NULL) {
+ CNETERR("Deleting packet type %d len %d %s->%s\n",
+ le32_to_cpu(tx->tx_lnetmsg->msg_hdr.type),
+ le32_to_cpu(tx->tx_lnetmsg->msg_hdr.payload_length),
+ libcfs_nid2str(le64_to_cpu(tx->tx_lnetmsg->msg_hdr.src_nid)),
+ libcfs_nid2str(le64_to_cpu(tx->tx_lnetmsg->msg_hdr.dest_nid)));
+ } else if (error) {
+ CNETERR("Deleting noop packet\n");
+ }
- cfs_list_del (&tx->tx_list);
+ list_del(&tx->tx_list);
- LASSERT (atomic_read(&tx->tx_refcount) == 1);
- ksocknal_tx_done (ni, tx);
- }
+ LASSERT(atomic_read(&tx->tx_refcount) == 1);
+ ksocknal_tx_done(ni, tx, error);
+ }
}
static void
ksocknal_check_zc_req(ksock_tx_t *tx)
{
ksock_conn_t *conn = tx->tx_conn;
- ksock_peer_t *peer = conn->ksnc_peer;
+ ksock_peer_ni_t *peer_ni = conn->ksnc_peer;
/* Set tx_msg.ksm_zc_cookies[0] to a unique non-zero cookie and add tx
* to ksnp_zc_req_list if some fragment of this message should be sent
- * zero-copy. Our peer will send an ACK containing this cookie when
+ * zero-copy. Our peer_ni will send an ACK containing this cookie when
* she has received this message to tell us we can signal completion.
* tx_msg.ksm_zc_cookies[0] remains non-zero while tx is on
* ksnp_zc_req_list. */
ksocknal_tx_addref(tx);
- spin_lock(&peer->ksnp_lock);
+ spin_lock(&peer_ni->ksnp_lock);
- /* ZC_REQ is going to be pinned to the peer */
+ /* ZC_REQ is going to be pinned to the peer_ni */
tx->tx_deadline =
cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
LASSERT (tx->tx_msg.ksm_zc_cookies[0] == 0);
- tx->tx_msg.ksm_zc_cookies[0] = peer->ksnp_zc_next_cookie++;
+ tx->tx_msg.ksm_zc_cookies[0] = peer_ni->ksnp_zc_next_cookie++;
- if (peer->ksnp_zc_next_cookie == 0)
- peer->ksnp_zc_next_cookie = SOCKNAL_KEEPALIVE_PING + 1;
+ if (peer_ni->ksnp_zc_next_cookie == 0)
+ peer_ni->ksnp_zc_next_cookie = SOCKNAL_KEEPALIVE_PING + 1;
- cfs_list_add_tail(&tx->tx_zc_list, &peer->ksnp_zc_req_list);
+ list_add_tail(&tx->tx_zc_list, &peer_ni->ksnp_zc_req_list);
- spin_unlock(&peer->ksnp_lock);
+ spin_unlock(&peer_ni->ksnp_lock);
}
static void
ksocknal_uncheck_zc_req(ksock_tx_t *tx)
{
- ksock_peer_t *peer = tx->tx_conn->ksnc_peer;
+ ksock_peer_ni_t *peer_ni = tx->tx_conn->ksnc_peer;
LASSERT(tx->tx_msg.ksm_type != KSOCK_MSG_NOOP);
LASSERT(tx->tx_zc_capable);
tx->tx_zc_checked = 0;
- spin_lock(&peer->ksnp_lock);
+ spin_lock(&peer_ni->ksnp_lock);
if (tx->tx_msg.ksm_zc_cookies[0] == 0) {
/* Not waiting for an ACK */
- spin_unlock(&peer->ksnp_lock);
+ spin_unlock(&peer_ni->ksnp_lock);
return;
}
tx->tx_msg.ksm_zc_cookies[0] = 0;
- cfs_list_del(&tx->tx_zc_list);
+ list_del(&tx->tx_zc_list);
- spin_unlock(&peer->ksnp_lock);
+ spin_unlock(&peer_ni->ksnp_lock);
ksocknal_tx_decref(tx);
}
-int
+static int
ksocknal_process_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
{
int rc;
/* enomem list takes over scheduler's ref... */
LASSERT (conn->ksnc_tx_scheduled);
- cfs_list_add_tail(&conn->ksnc_tx_list,
+ list_add_tail(&conn->ksnc_tx_list,
&ksocknal_data.ksnd_enomem_conns);
if (!cfs_time_aftereq(cfs_time_add(cfs_time_current(),
SOCKNAL_ENOMEM_RETRY),
if (!conn->ksnc_closing) {
switch (rc) {
case -ECONNRESET:
- LCONSOLE_WARN("Host %u.%u.%u.%u reset our connection "
+ LCONSOLE_WARN("Host %pI4h reset our connection "
"while we were sending data; it may have "
"rebooted.\n",
- HIPQUAD(conn->ksnc_ipaddr));
+ &conn->ksnc_ipaddr);
break;
default:
LCONSOLE_WARN("There was an unexpected network error "
- "while writing to %u.%u.%u.%u: %d.\n",
- HIPQUAD(conn->ksnc_ipaddr), rc);
+ "while writing to %pI4h: %d.\n",
+ &conn->ksnc_ipaddr, rc);
break;
}
- CDEBUG(D_NET, "[%p] Error %d on write to %s"
- " ip %d.%d.%d.%d:%d\n", conn, rc,
- libcfs_id2str(conn->ksnc_peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
- conn->ksnc_port);
+ CDEBUG(D_NET, "[%p] Error %d on write to %s ip %pI4h:%d\n",
+ conn, rc, libcfs_id2str(conn->ksnc_peer->ksnp_id),
+ &conn->ksnc_ipaddr, conn->ksnc_port);
}
if (tx->tx_zc_checked)
return (rc);
}
-void
+static void
ksocknal_launch_connection_locked (ksock_route_t *route)
{
spin_lock_bh(&ksocknal_data.ksnd_connd_lock);
- cfs_list_add_tail(&route->ksnr_connd_list,
+ list_add_tail(&route->ksnr_connd_list,
&ksocknal_data.ksnd_connd_routes);
wake_up(&ksocknal_data.ksnd_connd_waitq);
}
void
-ksocknal_launch_all_connections_locked (ksock_peer_t *peer)
+ksocknal_launch_all_connections_locked (ksock_peer_ni_t *peer_ni)
{
ksock_route_t *route;
/* called holding write lock on ksnd_global_lock */
for (;;) {
/* launch any/all connections that need it */
- route = ksocknal_find_connectable_route_locked(peer);
+ route = ksocknal_find_connectable_route_locked(peer_ni);
if (route == NULL)
return;
}
ksock_conn_t *
-ksocknal_find_conn_locked(ksock_peer_t *peer, ksock_tx_t *tx, int nonblk)
+ksocknal_find_conn_locked(ksock_peer_ni_t *peer_ni, ksock_tx_t *tx, int nonblk)
{
- cfs_list_t *tmp;
+ struct list_head *tmp;
ksock_conn_t *conn;
ksock_conn_t *typed = NULL;
ksock_conn_t *fallback = NULL;
int tnob = 0;
int fnob = 0;
- cfs_list_for_each (tmp, &peer->ksnp_conns) {
- ksock_conn_t *c = cfs_list_entry(tmp, ksock_conn_t, ksnc_list);
+ list_for_each(tmp, &peer_ni->ksnp_conns) {
+ ksock_conn_t *c = list_entry(tmp, ksock_conn_t, ksnc_list);
int nob = atomic_read(&c->ksnc_tx_nob) +
- libcfs_sock_wmem_queued(c->ksnc_sock);
+ c->ksnc_sock->sk->sk_wmem_queued;
int rc;
LASSERT (!c->ksnc_closing);
ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn)
{
ksock_sched_t *sched = conn->ksnc_scheduler;
- ksock_msg_t *msg = &tx->tx_msg;
+ struct ksock_msg *msg = &tx->tx_msg;
ksock_tx_t *ztx = NULL;
int bufnob = 0;
* ksnc_sock... */
LASSERT(!conn->ksnc_closing);
- CDEBUG (D_NET, "Sending to %s ip %d.%d.%d.%d:%d\n",
- libcfs_id2str(conn->ksnc_peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
- conn->ksnc_port);
+ CDEBUG(D_NET, "Sending to %s ip %pI4h:%d\n",
+ libcfs_id2str(conn->ksnc_peer->ksnp_id),
+ &conn->ksnc_ipaddr, conn->ksnc_port);
ksocknal_tx_prep(conn, tx);
/* Ensure the frags we've been given EXACTLY match the number of
* bytes we want to send. Many TCP/IP stacks disregard any total
- * size parameters passed to them and just look at the frags.
+ * size parameters passed to them and just look at the frags.
*
* We always expect at least 1 mapped fragment containing the
* complete ksocknal message header. */
KSOCK_MSG_NOOP,
tx->tx_nob, tx->tx_niov, tx->tx_nkiov);
- /*
- * FIXME: SOCK_WMEM_QUEUED and SOCK_ERROR could block in __DARWIN8__
- * but they're used inside spinlocks a lot.
- */
- bufnob = libcfs_sock_wmem_queued(conn->ksnc_sock);
+ bufnob = conn->ksnc_sock->sk->sk_wmem_queued;
spin_lock_bh(&sched->kss_lock);
- if (cfs_list_empty(&conn->ksnc_tx_queue) && bufnob == 0) {
+ if (list_empty(&conn->ksnc_tx_queue) && bufnob == 0) {
/* First packet starts the timeout */
conn->ksnc_tx_deadline =
cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
if (ztx != NULL) {
atomic_sub (ztx->tx_nob, &conn->ksnc_tx_nob);
- cfs_list_add_tail(&ztx->tx_list, &sched->kss_zombie_noop_txs);
+ list_add_tail(&ztx->tx_list, &sched->kss_zombie_noop_txs);
}
if (conn->ksnc_tx_ready && /* able to send */
!conn->ksnc_tx_scheduled) { /* not scheduled to send */
/* +1 ref for scheduler */
ksocknal_conn_addref(conn);
- cfs_list_add_tail (&conn->ksnc_tx_list,
+ list_add_tail(&conn->ksnc_tx_list,
&sched->kss_tx_conns);
conn->ksnc_tx_scheduled = 1;
wake_up(&sched->kss_waitq);
ksock_route_t *
-ksocknal_find_connectable_route_locked (ksock_peer_t *peer)
+ksocknal_find_connectable_route_locked (ksock_peer_ni_t *peer_ni)
{
cfs_time_t now = cfs_time_current();
- cfs_list_t *tmp;
+ struct list_head *tmp;
ksock_route_t *route;
- cfs_list_for_each (tmp, &peer->ksnp_routes) {
- route = cfs_list_entry (tmp, ksock_route_t, ksnr_list);
+ list_for_each(tmp, &peer_ni->ksnp_routes) {
+ route = list_entry(tmp, ksock_route_t, ksnr_list);
LASSERT (!route->ksnr_connecting || route->ksnr_scheduled);
if (!(route->ksnr_retry_interval == 0 || /* first attempt */
cfs_time_aftereq(now, route->ksnr_timeout))) {
CDEBUG(D_NET,
- "Too soon to retry route %u.%u.%u.%u "
+ "Too soon to retry route %pI4h "
"(cnted %d, interval %ld, %ld secs later)\n",
- HIPQUAD(route->ksnr_ipaddr),
+ &route->ksnr_ipaddr,
route->ksnr_connected,
route->ksnr_retry_interval,
cfs_duration_sec(route->ksnr_timeout - now));
}
ksock_route_t *
-ksocknal_find_connecting_route_locked (ksock_peer_t *peer)
+ksocknal_find_connecting_route_locked (ksock_peer_ni_t *peer_ni)
{
- cfs_list_t *tmp;
+ struct list_head *tmp;
ksock_route_t *route;
- cfs_list_for_each (tmp, &peer->ksnp_routes) {
- route = cfs_list_entry (tmp, ksock_route_t, ksnr_list);
+ list_for_each(tmp, &peer_ni->ksnp_routes) {
+ route = list_entry(tmp, ksock_route_t, ksnr_list);
LASSERT (!route->ksnr_connecting || route->ksnr_scheduled);
}
int
-ksocknal_launch_packet (lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
+ksocknal_launch_packet(struct lnet_ni *ni, ksock_tx_t *tx,
+ struct lnet_process_id id)
{
- ksock_peer_t *peer;
+ ksock_peer_ni_t *peer_ni;
ksock_conn_t *conn;
rwlock_t *g_lock;
int retry;
for (retry = 0;; retry = 1) {
read_lock(g_lock);
- peer = ksocknal_find_peer_locked(ni, id);
- if (peer != NULL) {
- if (ksocknal_find_connectable_route_locked(peer) == NULL) {
- conn = ksocknal_find_conn_locked(peer, tx, tx->tx_nonblk);
+ peer_ni = ksocknal_find_peer_locked(ni, id);
+ if (peer_ni != NULL) {
+ if (ksocknal_find_connectable_route_locked(peer_ni) == NULL) {
+ conn = ksocknal_find_conn_locked(peer_ni, tx, tx->tx_nonblk);
if (conn != NULL) {
/* I've got no routes that need to be
* connecting and I do have an actual
write_lock_bh(g_lock);
- peer = ksocknal_find_peer_locked(ni, id);
- if (peer != NULL)
+ peer_ni = ksocknal_find_peer_locked(ni, id);
+ if (peer_ni != NULL)
break;
write_unlock_bh(g_lock);
}
if (retry) {
- CERROR("Can't find peer %s\n", libcfs_id2str(id));
+ CERROR("Can't find peer_ni %s\n", libcfs_id2str(id));
return -EHOSTUNREACH;
}
LNET_NIDADDR(id.nid),
lnet_acceptor_port());
if (rc != 0) {
- CERROR("Can't add peer %s: %d\n",
+ CERROR("Can't add peer_ni %s: %d\n",
libcfs_id2str(id), rc);
return rc;
}
}
- ksocknal_launch_all_connections_locked(peer);
+ ksocknal_launch_all_connections_locked(peer_ni);
- conn = ksocknal_find_conn_locked(peer, tx, tx->tx_nonblk);
+ conn = ksocknal_find_conn_locked(peer_ni, tx, tx->tx_nonblk);
if (conn != NULL) {
/* Connection exists; queue message on it */
ksocknal_queue_tx_locked (tx, conn);
return (0);
}
- if (peer->ksnp_accepting > 0 ||
- ksocknal_find_connecting_route_locked (peer) != NULL) {
- /* the message is going to be pinned to the peer */
+ if (peer_ni->ksnp_accepting > 0 ||
+ ksocknal_find_connecting_route_locked (peer_ni) != NULL) {
+ /* the message is going to be pinned to the peer_ni */
tx->tx_deadline =
cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
/* Queue the message until a connection is established */
- cfs_list_add_tail (&tx->tx_list, &peer->ksnp_tx_queue);
+ list_add_tail(&tx->tx_list, &peer_ni->ksnp_tx_queue);
write_unlock_bh(g_lock);
return 0;
}
}
int
-ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
+ksocknal_send(struct lnet_ni *ni, void *private, struct lnet_msg *lntmsg)
{
- int mpflag = 1;
- int type = lntmsg->msg_type;
- lnet_process_id_t target = lntmsg->msg_target;
+ int mpflag = 1;
+ int type = lntmsg->msg_type;
+ struct lnet_process_id target = lntmsg->msg_target;
unsigned int payload_niov = lntmsg->msg_niov;
- struct iovec *payload_iov = lntmsg->msg_iov;
+ struct kvec *payload_iov = lntmsg->msg_iov;
lnet_kiov_t *payload_kiov = lntmsg->msg_kiov;
unsigned int payload_offset = lntmsg->msg_offset;
unsigned int payload_nob = lntmsg->msg_len;
tx->tx_zc_capable = 1;
}
- socklnd_init_msg(&tx->tx_msg, KSOCK_MSG_LNET);
+ tx->tx_msg.ksm_csum = 0;
+ tx->tx_msg.ksm_type = KSOCK_MSG_LNET;
+ tx->tx_msg.ksm_zc_cookies[0] = 0;
+ tx->tx_msg.ksm_zc_cookies[1] = 0;
/* The first fragment will be set later in pro_pack */
rc = ksocknal_launch_packet(ni, tx, target);
case KSOCK_PROTO_V2:
case KSOCK_PROTO_V3:
conn->ksnc_rx_state = SOCKNAL_RX_KSM_HEADER;
- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
conn->ksnc_rx_iov[0].iov_base = (char *)&conn->ksnc_msg;
- conn->ksnc_rx_nob_wanted = offsetof(ksock_msg_t, ksm_u);
- conn->ksnc_rx_nob_left = offsetof(ksock_msg_t, ksm_u);
- conn->ksnc_rx_iov[0].iov_len = offsetof(ksock_msg_t, ksm_u);
+ conn->ksnc_rx_nob_wanted = offsetof(struct ksock_msg, ksm_u);
+ conn->ksnc_rx_nob_left = offsetof(struct ksock_msg, ksm_u);
+ conn->ksnc_rx_iov[0].iov_len = offsetof(struct ksock_msg, ksm_u);
break;
- case KSOCK_PROTO_V1:
- /* Receiving bare lnet_hdr_t */
- conn->ksnc_rx_state = SOCKNAL_RX_LNET_HEADER;
- conn->ksnc_rx_nob_wanted = sizeof(lnet_hdr_t);
- conn->ksnc_rx_nob_left = sizeof(lnet_hdr_t);
+ case KSOCK_PROTO_V1:
+ /* Receiving bare struct lnet_hdr */
+ conn->ksnc_rx_state = SOCKNAL_RX_LNET_HEADER;
+ conn->ksnc_rx_nob_wanted = sizeof(struct lnet_hdr);
+ conn->ksnc_rx_nob_left = sizeof(struct lnet_hdr);
- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
- conn->ksnc_rx_iov[0].iov_base = (char *)&conn->ksnc_msg.ksm_u.lnetmsg;
- conn->ksnc_rx_iov[0].iov_len = sizeof (lnet_hdr_t);
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov[0].iov_base = (char *)&conn->ksnc_msg.ksm_u.lnetmsg;
+ conn->ksnc_rx_iov[0].iov_len = sizeof(struct lnet_hdr);
break;
default:
conn->ksnc_rx_state = SOCKNAL_RX_SLOP;
conn->ksnc_rx_nob_left = nob_to_skip;
- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
skipped = 0;
niov = 0;
nob_to_skip -=nob;
} while (nob_to_skip != 0 && /* mustn't overflow conn's rx iov */
- niov < sizeof(conn->ksnc_rx_iov_space) / sizeof (struct iovec));
+ niov < sizeof(conn->ksnc_rx_iov_space) / sizeof(struct kvec));
conn->ksnc_rx_niov = niov;
conn->ksnc_rx_kiov = NULL;
return (0);
}
-int
+static int
ksocknal_process_receive (ksock_conn_t *conn)
{
- lnet_hdr_t *lhdr;
- lnet_process_id_t *id;
- int rc;
+ struct lnet_hdr *lhdr;
+ struct lnet_process_id *id;
+ int rc;
LASSERT (atomic_read(&conn->ksnc_conn_refcount) > 0);
- /* NB: sched lock NOT held */
- /* SOCKNAL_RX_LNET_HEADER is here for backward compatability */
+ /* NB: sched lock NOT held */
+ /* SOCKNAL_RX_LNET_HEADER is here for backward compatibility */
LASSERT (conn->ksnc_rx_state == SOCKNAL_RX_KSM_HEADER ||
conn->ksnc_rx_state == SOCKNAL_RX_LNET_PAYLOAD ||
conn->ksnc_rx_state == SOCKNAL_RX_LNET_HEADER ||
if (conn->ksnc_rx_nob_wanted != 0) {
rc = ksocknal_receive(conn);
- if (rc <= 0) {
- LASSERT (rc != -EAGAIN);
+ if (rc <= 0) {
+ struct lnet_process_id ksnp_id;
- if (rc == 0)
- CDEBUG (D_NET, "[%p] EOF from %s"
- " ip %d.%d.%d.%d:%d\n", conn,
- libcfs_id2str(conn->ksnc_peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
- conn->ksnc_port);
- else if (!conn->ksnc_closing)
- CERROR ("[%p] Error %d on read from %s"
- " ip %d.%d.%d.%d:%d\n",
- conn, rc,
- libcfs_id2str(conn->ksnc_peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
+ ksnp_id = conn->ksnc_peer->ksnp_id;
+
+ LASSERT(rc != -EAGAIN);
+ if (rc == 0)
+ CDEBUG(D_NET, "[%p] EOF from %s "
+ "ip %pI4h:%d\n", conn,
+ libcfs_id2str(ksnp_id),
+ &conn->ksnc_ipaddr,
conn->ksnc_port);
+ else if (!conn->ksnc_closing)
+ CERROR("[%p] Error %d on read from %s "
+ "ip %pI4h:%d\n", conn, rc,
+ libcfs_id2str(ksnp_id),
+ &conn->ksnc_ipaddr,
+ conn->ksnc_port);
/* it's not an error if conn is being closed */
ksocknal_close_conn_and_siblings (conn,
conn->ksnc_msg.ksm_zc_cookies[1]);
if (rc != 0) {
- CERROR("%s: Unknown ZC-ACK cookie: "LPU64", "LPU64"\n",
+ CERROR("%s: Unknown ZC-ACK cookie: %llu, %llu\n",
libcfs_id2str(conn->ksnc_peer->ksnp_id),
cookie, conn->ksnc_msg.ksm_zc_cookies[1]);
ksocknal_new_packet(conn, 0);
}
conn->ksnc_rx_state = SOCKNAL_RX_LNET_HEADER;
- conn->ksnc_rx_nob_wanted = sizeof(ksock_lnet_msg_t);
- conn->ksnc_rx_nob_left = sizeof(ksock_lnet_msg_t);
+ conn->ksnc_rx_nob_wanted = sizeof(struct ksock_lnet_msg);
+ conn->ksnc_rx_nob_left = sizeof(struct ksock_lnet_msg);
- conn->ksnc_rx_iov = (struct iovec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
conn->ksnc_rx_iov[0].iov_base = (char *)&conn->ksnc_msg.ksm_u.lnetmsg;
- conn->ksnc_rx_iov[0].iov_len = sizeof(ksock_lnet_msg_t);
+ conn->ksnc_rx_iov[0].iov_len = sizeof(struct ksock_lnet_msg);
conn->ksnc_rx_niov = 1;
conn->ksnc_rx_kiov = NULL;
conn->ksnc_proto->pro_unpack(&conn->ksnc_msg);
if ((conn->ksnc_peer->ksnp_id.pid & LNET_PID_USERFLAG) != 0) {
- /* Userspace peer */
+ /* Userspace peer_ni */
lhdr = &conn->ksnc_msg.ksm_u.lnetmsg.ksnm_hdr;
id = &conn->ksnc_peer->ksnp_id;
le64_to_cpu(lhdr->src_nid) != id->nid);
}
- lnet_finalize(conn->ksnc_peer->ksnp_ni, conn->ksnc_cookie, rc);
+ lnet_finalize(conn->ksnc_cookie, rc);
if (rc != 0) {
ksocknal_new_packet(conn, 0);
}
int
-ksocknal_recv (lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
- unsigned int niov, struct iovec *iov, lnet_kiov_t *kiov,
- unsigned int offset, unsigned int mlen, unsigned int rlen)
+ksocknal_recv(struct lnet_ni *ni, void *private, struct lnet_msg *msg,
+ int delayed, unsigned int niov, struct kvec *iov,
+ lnet_kiov_t *kiov, unsigned int offset, unsigned int mlen,
+ unsigned int rlen)
{
ksock_conn_t *conn = (ksock_conn_t *)private;
ksock_sched_t *sched = conn->ksnc_scheduler;
switch (conn->ksnc_rx_state) {
case SOCKNAL_RX_PARSE_WAIT:
- cfs_list_add_tail(&conn->ksnc_rx_list, &sched->kss_rx_conns);
+ list_add_tail(&conn->ksnc_rx_list, &sched->kss_rx_conns);
wake_up(&sched->kss_waitq);
LASSERT(conn->ksnc_rx_ready);
break;
spin_lock_bh(&sched->kss_lock);
rc = (!ksocknal_data.ksnd_shuttingdown &&
- cfs_list_empty(&sched->kss_rx_conns) &&
- cfs_list_empty(&sched->kss_tx_conns));
+ list_empty(&sched->kss_rx_conns) &&
+ list_empty(&sched->kss_tx_conns));
spin_unlock_bh(&sched->kss_lock);
return rc;
rc = cfs_cpt_bind(lnet_cpt_table(), info->ksi_cpt);
if (rc != 0) {
- CERROR("Can't set CPT affinity to %d: %d\n",
- info->ksi_cpt, rc);
+ CWARN("Can't set CPU partition affinity to %d: %d\n",
+ info->ksi_cpt, rc);
}
spin_lock_bh(&sched->kss_lock);
/* Ensure I progress everything semi-fairly */
- if (!cfs_list_empty (&sched->kss_rx_conns)) {
- conn = cfs_list_entry(sched->kss_rx_conns.next,
+ if (!list_empty(&sched->kss_rx_conns)) {
+ conn = list_entry(sched->kss_rx_conns.next,
ksock_conn_t, ksnc_rx_list);
- cfs_list_del(&conn->ksnc_rx_list);
+ list_del(&conn->ksnc_rx_list);
LASSERT(conn->ksnc_rx_scheduled);
LASSERT(conn->ksnc_rx_ready);
conn->ksnc_rx_state = SOCKNAL_RX_PARSE_WAIT;
} else if (conn->ksnc_rx_ready) {
/* reschedule for rx */
- cfs_list_add_tail (&conn->ksnc_rx_list,
+ list_add_tail(&conn->ksnc_rx_list,
&sched->kss_rx_conns);
} else {
conn->ksnc_rx_scheduled = 0;
did_something = 1;
}
- if (!cfs_list_empty (&sched->kss_tx_conns)) {
- CFS_LIST_HEAD (zlist);
+ if (!list_empty(&sched->kss_tx_conns)) {
+ struct list_head zlist = LIST_HEAD_INIT(zlist);
- if (!cfs_list_empty(&sched->kss_zombie_noop_txs)) {
- cfs_list_add(&zlist,
+ if (!list_empty(&sched->kss_zombie_noop_txs)) {
+ list_add(&zlist,
&sched->kss_zombie_noop_txs);
- cfs_list_del_init(&sched->kss_zombie_noop_txs);
+ list_del_init(&sched->kss_zombie_noop_txs);
}
- conn = cfs_list_entry(sched->kss_tx_conns.next,
+ conn = list_entry(sched->kss_tx_conns.next,
ksock_conn_t, ksnc_tx_list);
- cfs_list_del (&conn->ksnc_tx_list);
+ list_del(&conn->ksnc_tx_list);
LASSERT(conn->ksnc_tx_scheduled);
LASSERT(conn->ksnc_tx_ready);
- LASSERT(!cfs_list_empty(&conn->ksnc_tx_queue));
+ LASSERT(!list_empty(&conn->ksnc_tx_queue));
- tx = cfs_list_entry(conn->ksnc_tx_queue.next,
+ tx = list_entry(conn->ksnc_tx_queue.next,
ksock_tx_t, tx_list);
if (conn->ksnc_tx_carrier == tx)
ksocknal_next_tx_carrier(conn);
/* dequeue now so empty list => more to send */
- cfs_list_del(&tx->tx_list);
+ list_del(&tx->tx_list);
/* Clear tx_ready in case send isn't complete. Do
* it BEFORE we call process_transmit, since
conn->ksnc_tx_ready = 0;
spin_unlock_bh(&sched->kss_lock);
- if (!cfs_list_empty(&zlist)) {
- /* free zombie noop txs, it's fast because
+ if (!list_empty(&zlist)) {
+ /* free zombie noop txs, it's fast because
* noop txs are just put in freelist */
ksocknal_txlist_done(NULL, &zlist, 0);
}
if (rc == -ENOMEM || rc == -EAGAIN) {
/* Incomplete send: replace tx on HEAD of tx_queue */
spin_lock_bh(&sched->kss_lock);
- cfs_list_add(&tx->tx_list,
+ list_add(&tx->tx_list,
&conn->ksnc_tx_queue);
} else {
/* Complete send; tx -ref */
/* Do nothing; after a short timeout, this
* conn will be reposted on kss_tx_conns. */
} else if (conn->ksnc_tx_ready &&
- !cfs_list_empty (&conn->ksnc_tx_queue)) {
+ !list_empty(&conn->ksnc_tx_queue)) {
/* reschedule for tx */
- cfs_list_add_tail (&conn->ksnc_tx_list,
+ list_add_tail(&conn->ksnc_tx_list,
&sched->kss_tx_conns);
} else {
conn->ksnc_tx_scheduled = 0;
conn->ksnc_rx_ready = 1;
if (!conn->ksnc_rx_scheduled) { /* not being progressed */
- cfs_list_add_tail(&conn->ksnc_rx_list,
+ list_add_tail(&conn->ksnc_rx_list,
&sched->kss_rx_conns);
conn->ksnc_rx_scheduled = 1;
/* extra ref for scheduler */
conn->ksnc_tx_ready = 1;
- if (!conn->ksnc_tx_scheduled && // not being progressed
- !cfs_list_empty(&conn->ksnc_tx_queue)){//packets to send
- cfs_list_add_tail(&conn->ksnc_tx_list, &sched->kss_tx_conns);
+ if (!conn->ksnc_tx_scheduled && /* not being progressed */
+ !list_empty(&conn->ksnc_tx_queue)) { /* packets to send */
+ list_add_tail(&conn->ksnc_tx_list, &sched->kss_tx_conns);
conn->ksnc_tx_scheduled = 1;
/* extra ref for scheduler */
ksocknal_conn_addref(conn);
EXIT;
}
-ksock_proto_t *
-ksocknal_parse_proto_version (ksock_hello_msg_t *hello)
+static ksock_proto_t *
+ksocknal_parse_proto_version (struct ksock_hello_msg *hello)
{
__u32 version = 0;
}
if (hello->kshm_magic == le32_to_cpu(LNET_PROTO_TCP_MAGIC)) {
- lnet_magicversion_t *hmv = (lnet_magicversion_t *)hello;
+ struct lnet_magicversion *hmv;
+
+ CLASSERT(sizeof(struct lnet_magicversion) ==
+ offsetof(struct ksock_hello_msg, kshm_src_nid));
- CLASSERT (sizeof (lnet_magicversion_t) ==
- offsetof (ksock_hello_msg_t, kshm_src_nid));
+ hmv = (struct lnet_magicversion *)hello;
if (hmv->version_major == cpu_to_le16 (KSOCK_PROTO_V1_MAJOR) &&
hmv->version_minor == cpu_to_le16 (KSOCK_PROTO_V1_MINOR))
}
int
-ksocknal_send_hello (lnet_ni_t *ni, ksock_conn_t *conn,
- lnet_nid_t peer_nid, ksock_hello_msg_t *hello)
+ksocknal_send_hello(struct lnet_ni *ni, ksock_conn_t *conn,
+ lnet_nid_t peer_nid, struct ksock_hello_msg *hello)
{
/* CAVEAT EMPTOR: this byte flips 'ipaddrs' */
ksock_net_t *net = (ksock_net_t *)ni->ni_data;
return conn->ksnc_proto->pro_send_hello(conn, hello);
}
-int
+static int
ksocknal_invert_type(int type)
{
switch (type)
}
int
-ksocknal_recv_hello (lnet_ni_t *ni, ksock_conn_t *conn,
- ksock_hello_msg_t *hello, lnet_process_id_t *peerid,
- __u64 *incarnation)
+ksocknal_recv_hello(struct lnet_ni *ni, ksock_conn_t *conn,
+ struct ksock_hello_msg *hello,
+ struct lnet_process_id *peerid,
+ __u64 *incarnation)
{
/* Return < 0 fatal error
* 0 success
* EALREADY lost connection race
* EPROTO protocol version mismatch
*/
- cfs_socket_t *sock = conn->ksnc_sock;
+ struct socket *sock = conn->ksnc_sock;
int active = (conn->ksnc_proto != NULL);
int timeout;
int proto_match;
int rc;
ksock_proto_t *proto;
- lnet_process_id_t recv_id;
+ struct lnet_process_id recv_id;
- /* socket type set on active connections - not set on passive */
- LASSERT (!active == !(conn->ksnc_type != SOCKLND_CONN_NONE));
+ /* socket type set on active connections - not set on passive */
+ LASSERT(!active == !(conn->ksnc_type != SOCKLND_CONN_NONE));
- timeout = active ? *ksocknal_tunables.ksnd_timeout :
- lnet_acceptor_timeout();
+ timeout = active ? *ksocknal_tunables.ksnd_timeout :
+ lnet_acceptor_timeout();
- rc = libcfs_sock_read(sock, &hello->kshm_magic, sizeof (hello->kshm_magic), timeout);
+ rc = lnet_sock_read(sock, &hello->kshm_magic,
+ sizeof(hello->kshm_magic), timeout);
if (rc != 0) {
- CERROR ("Error %d reading HELLO from %u.%u.%u.%u\n",
- rc, HIPQUAD(conn->ksnc_ipaddr));
+ CERROR("Error %d reading HELLO from %pI4h\n",
+ rc, &conn->ksnc_ipaddr);
LASSERT (rc < 0);
return rc;
}
hello->kshm_magic != le32_to_cpu (LNET_PROTO_TCP_MAGIC)) {
/* Unexpected magic! */
CERROR ("Bad magic(1) %#08x (%#08x expected) from "
- "%u.%u.%u.%u\n", __cpu_to_le32 (hello->kshm_magic),
- LNET_PROTO_TCP_MAGIC,
- HIPQUAD(conn->ksnc_ipaddr));
+ "%pI4h\n", __cpu_to_le32 (hello->kshm_magic),
+ LNET_PROTO_TCP_MAGIC, &conn->ksnc_ipaddr);
return -EPROTO;
}
- rc = libcfs_sock_read(sock, &hello->kshm_version,
- sizeof(hello->kshm_version), timeout);
+ rc = lnet_sock_read(sock, &hello->kshm_version,
+ sizeof(hello->kshm_version), timeout);
if (rc != 0) {
- CERROR ("Error %d reading HELLO from %u.%u.%u.%u\n",
- rc, HIPQUAD(conn->ksnc_ipaddr));
- LASSERT (rc < 0);
+ CERROR("Error %d reading HELLO from %pI4h\n",
+ rc, &conn->ksnc_ipaddr);
+ LASSERT(rc < 0);
return rc;
}
proto = ksocknal_parse_proto_version(hello);
if (proto == NULL) {
if (!active) {
- /* unknown protocol from peer, tell peer my protocol */
+ /* unknown protocol from peer_ni, tell peer_ni my protocol */
conn->ksnc_proto = &ksocknal_protocol_v3x;
#if SOCKNAL_VERSION_DEBUG
if (*ksocknal_tunables.ksnd_protocol == 2)
ksocknal_send_hello(ni, conn, ni->ni_nid, hello);
}
- CERROR ("Unknown protocol version (%d.x expected)"
- " from %u.%u.%u.%u\n",
- conn->ksnc_proto->pro_version,
- HIPQUAD(conn->ksnc_ipaddr));
+ CERROR("Unknown protocol version (%d.x expected) from %pI4h\n",
+ conn->ksnc_proto->pro_version, &conn->ksnc_ipaddr);
return -EPROTO;
}
/* receive the rest of hello message anyway */
rc = conn->ksnc_proto->pro_recv_hello(conn, hello, timeout);
if (rc != 0) {
- CERROR("Error %d reading or checking hello from from %u.%u.%u.%u\n",
- rc, HIPQUAD(conn->ksnc_ipaddr));
+ CERROR("Error %d reading or checking hello from from %pI4h\n",
+ rc, &conn->ksnc_ipaddr);
LASSERT (rc < 0);
return rc;
}
if (hello->kshm_src_nid == LNET_NID_ANY) {
CERROR("Expecting a HELLO hdr with a NID, but got LNET_NID_ANY"
- "from %u.%u.%u.%u\n", HIPQUAD(conn->ksnc_ipaddr));
+ "from %pI4h\n", &conn->ksnc_ipaddr);
return -EPROTO;
}
if (!active &&
conn->ksnc_port > LNET_ACCEPTOR_MAX_RESERVED_PORT) {
- /* Userspace NAL assigns peer process ID from socket */
+ /* Userspace NAL assigns peer_ni process ID from socket */
recv_id.pid = conn->ksnc_port | LNET_PID_USERFLAG;
recv_id.nid = LNET_MKNID(LNET_NIDNET(ni->ni_nid), conn->ksnc_ipaddr);
} else {
if (!active) {
*peerid = recv_id;
- /* peer determines type */
- conn->ksnc_type = ksocknal_invert_type(hello->kshm_ctype);
- if (conn->ksnc_type == SOCKLND_CONN_NONE) {
- CERROR ("Unexpected type %d from %s ip %u.%u.%u.%u\n",
- hello->kshm_ctype, libcfs_id2str(*peerid),
- HIPQUAD(conn->ksnc_ipaddr));
- return -EPROTO;
- }
-
- return 0;
- }
+ /* peer_ni determines type */
+ conn->ksnc_type = ksocknal_invert_type(hello->kshm_ctype);
+ if (conn->ksnc_type == SOCKLND_CONN_NONE) {
+ CERROR("Unexpected type %d from %s ip %pI4h\n",
+ hello->kshm_ctype, libcfs_id2str(*peerid),
+ &conn->ksnc_ipaddr);
+ return -EPROTO;
+ }
+ return 0;
+ }
if (peerid->pid != recv_id.pid ||
peerid->nid != recv_id.nid) {
LCONSOLE_ERROR_MSG(0x130, "Connected successfully to %s on host"
- " %u.%u.%u.%u, but they claimed they were "
+ " %pI4h, but they claimed they were "
"%s; please check your Lustre "
"configuration.\n",
libcfs_id2str(*peerid),
- HIPQUAD(conn->ksnc_ipaddr),
+ &conn->ksnc_ipaddr,
libcfs_id2str(recv_id));
return -EPROTO;
}
return proto_match ? EALREADY : EPROTO;
}
- if (ksocknal_invert_type(hello->kshm_ctype) != conn->ksnc_type) {
- CERROR ("Mismatched types: me %d, %s ip %u.%u.%u.%u %d\n",
- conn->ksnc_type, libcfs_id2str(*peerid),
- HIPQUAD(conn->ksnc_ipaddr),
- hello->kshm_ctype);
- return -EPROTO;
- }
-
- return 0;
+ if (ksocknal_invert_type(hello->kshm_ctype) != conn->ksnc_type) {
+ CERROR("Mismatched types: me %d, %s ip %pI4h %d\n",
+ conn->ksnc_type, libcfs_id2str(*peerid),
+ &conn->ksnc_ipaddr,
+ hello->kshm_ctype);
+ return -EPROTO;
+ }
+ return 0;
}
-int
+static int
ksocknal_connect (ksock_route_t *route)
{
- CFS_LIST_HEAD (zombies);
- ksock_peer_t *peer = route->ksnr_peer;
+ struct list_head zombies = LIST_HEAD_INIT(zombies);
+ ksock_peer_ni_t *peer_ni = route->ksnr_peer;
int type;
int wanted;
- cfs_socket_t *sock;
+ struct socket *sock;
cfs_time_t deadline;
int retry_later = 0;
int rc = 0;
for (;;) {
wanted = ksocknal_route_mask() & ~route->ksnr_connected;
- /* stop connecting if peer/route got closed under me, or
+ /* stop connecting if peer_ni/route got closed under me, or
* route got connected while queued */
- if (peer->ksnp_closing || route->ksnr_deleted ||
+ if (peer_ni->ksnp_closing || route->ksnr_deleted ||
wanted == 0) {
retry_later = 0;
break;
}
- /* reschedule if peer is connecting to me */
- if (peer->ksnp_accepting > 0) {
+ /* reschedule if peer_ni is connecting to me */
+ if (peer_ni->ksnp_accepting > 0) {
CDEBUG(D_NET,
- "peer %s(%d) already connecting to me, retry later.\n",
- libcfs_nid2str(peer->ksnp_id.nid), peer->ksnp_accepting);
+ "peer_ni %s(%d) already connecting to me, retry later.\n",
+ libcfs_nid2str(peer_ni->ksnp_id.nid), peer_ni->ksnp_accepting);
retry_later = 1;
}
if (cfs_time_aftereq(cfs_time_current(), deadline)) {
rc = -ETIMEDOUT;
- lnet_connect_console_error(rc, peer->ksnp_id.nid,
+ lnet_connect_console_error(rc, peer_ni->ksnp_id.nid,
route->ksnr_ipaddr,
route->ksnr_port);
goto failed;
}
- rc = lnet_connect(&sock, peer->ksnp_id.nid,
+ rc = lnet_connect(&sock, peer_ni->ksnp_id.nid,
route->ksnr_myipaddr,
route->ksnr_ipaddr, route->ksnr_port);
if (rc != 0)
goto failed;
- rc = ksocknal_create_conn(peer->ksnp_ni, route, sock, type);
+ rc = ksocknal_create_conn(peer_ni->ksnp_ni, route, sock, type);
if (rc < 0) {
- lnet_connect_console_error(rc, peer->ksnp_id.nid,
+ lnet_connect_console_error(rc, peer_ni->ksnp_id.nid,
route->ksnr_ipaddr,
route->ksnr_port);
goto failed;
* race or I have to renegotiate protocol version */
retry_later = (rc != 0);
if (retry_later)
- CDEBUG(D_NET, "peer %s: conn race, retry later.\n",
- libcfs_nid2str(peer->ksnp_id.nid));
+ CDEBUG(D_NET, "peer_ni %s: conn race, retry later.\n",
+ libcfs_nid2str(peer_ni->ksnp_id.nid));
write_lock_bh(&ksocknal_data.ksnd_global_lock);
}
if (retry_later) {
/* re-queue for attention; this frees me up to handle
- * the peer's incoming connection request */
+ * the peer_ni's incoming connection request */
if (rc == EALREADY ||
- (rc == 0 && peer->ksnp_accepting > 0)) {
+ (rc == 0 && peer_ni->ksnp_accepting > 0)) {
/* We want to introduce a delay before next
* attempt to connect if we lost conn race,
* but the race is resolved quickly usually,
route->ksnr_timeout = cfs_time_add(cfs_time_current(),
route->ksnr_retry_interval);
- if (!cfs_list_empty(&peer->ksnp_tx_queue) &&
- peer->ksnp_accepting == 0 &&
- ksocknal_find_connecting_route_locked(peer) == NULL) {
+ if (!list_empty(&peer_ni->ksnp_tx_queue) &&
+ peer_ni->ksnp_accepting == 0 &&
+ ksocknal_find_connecting_route_locked(peer_ni) == NULL) {
ksock_conn_t *conn;
/* ksnp_tx_queue is queued on a conn on successful
* connection for V1.x and V2.x */
- if (!cfs_list_empty (&peer->ksnp_conns)) {
- conn = cfs_list_entry(peer->ksnp_conns.next,
+ if (!list_empty(&peer_ni->ksnp_conns)) {
+ conn = list_entry(peer_ni->ksnp_conns.next,
ksock_conn_t, ksnc_list);
LASSERT (conn->ksnc_proto == &ksocknal_protocol_v3x);
}
/* take all the blocked packets while I've got the lock and
* complete below... */
- cfs_list_splice_init(&peer->ksnp_tx_queue, &zombies);
+ list_splice_init(&peer_ni->ksnp_tx_queue, &zombies);
}
-#if 0 /* irrelevent with only eager routes */
- if (!route->ksnr_deleted) {
- /* make this route least-favourite for re-selection */
- cfs_list_del(&route->ksnr_list);
- cfs_list_add_tail(&route->ksnr_list, &peer->ksnp_routes);
- }
-#endif
write_unlock_bh(&ksocknal_data.ksnd_global_lock);
- ksocknal_peer_failed(peer);
- ksocknal_txlist_done(peer->ksnp_ni, &zombies, 1);
- return 0;
+ ksocknal_peer_failed(peer_ni);
+ ksocknal_txlist_done(peer_ni->ksnp_ni, &zombies, rc);
+ return 0;
}
/*
* running out of resource.
*/
static int
-ksocknal_connd_check_start(long sec, long *timeout)
+ksocknal_connd_check_start(time64_t sec, long *timeout)
{
char name[16];
int rc;
/* we tried ... */
LASSERT(ksocknal_data.ksnd_connd_starting > 0);
ksocknal_data.ksnd_connd_starting--;
- ksocknal_data.ksnd_connd_failed_stamp = cfs_time_current_sec();
+ ksocknal_data.ksnd_connd_failed_stamp = ktime_get_real_seconds();
return 1;
}
* again to recheck these conditions.
*/
static int
-ksocknal_connd_check_stop(long sec, long *timeout)
+ksocknal_connd_check_stop(time64_t sec, long *timeout)
{
int val;
now = cfs_time_current();
/* connd_routes can contain both pending and ordinary routes */
- cfs_list_for_each_entry (route, &ksocknal_data.ksnd_connd_routes,
+ list_for_each_entry(route, &ksocknal_data.ksnd_connd_routes,
ksnr_connd_list) {
if (route->ksnr_retry_interval == 0 ||
int nloops = 0;
int cons_retry = 0;
- cfs_block_allsigs ();
+ cfs_block_allsigs();
- init_waitqueue_entry_current(&wait);
+ init_waitqueue_entry(&wait, current);
spin_lock_bh(connd_lock);
while (!ksocknal_data.ksnd_shuttingdown) {
ksock_route_t *route = NULL;
- long sec = cfs_time_current_sec();
+ time64_t sec = ktime_get_real_seconds();
long timeout = MAX_SCHEDULE_TIMEOUT;
int dropped_lock = 0;
dropped_lock = 1;
}
- if (!cfs_list_empty(&ksocknal_data.ksnd_connd_connreqs)) {
+ if (!list_empty(&ksocknal_data.ksnd_connd_connreqs)) {
/* Connection accepted by the listener */
- cr = cfs_list_entry(ksocknal_data.ksnd_connd_connreqs. \
+ cr = list_entry(ksocknal_data.ksnd_connd_connreqs. \
next, ksock_connreq_t, ksncr_list);
- cfs_list_del(&cr->ksncr_list);
+ list_del(&cr->ksncr_list);
spin_unlock_bh(connd_lock);
dropped_lock = 1;
route = ksocknal_connd_get_route_locked(&timeout);
}
if (route != NULL) {
- cfs_list_del (&route->ksnr_connd_list);
+ list_del(&route->ksnr_connd_list);
ksocknal_data.ksnd_connd_connecting++;
spin_unlock_bh(connd_lock);
dropped_lock = 1;
/* consecutive retry */
if (cons_retry++ > SOCKNAL_INSANITY_RECONN) {
CWARN("massive consecutive "
- "re-connecting to %u.%u.%u.%u\n",
- HIPQUAD(route->ksnr_ipaddr));
+ "re-connecting to %pI4h\n",
+ &route->ksnr_ipaddr);
cons_retry = 0;
}
} else {
spin_unlock_bh(connd_lock);
nloops = 0;
- waitq_timedwait(&wait, TASK_INTERRUPTIBLE, timeout);
+ schedule_timeout(timeout);
set_current_state(TASK_RUNNING);
remove_wait_queue(&ksocknal_data.ksnd_connd_waitq, &wait);
return 0;
}
-ksock_conn_t *
-ksocknal_find_timed_out_conn (ksock_peer_t *peer)
+static ksock_conn_t *
+ksocknal_find_timed_out_conn (ksock_peer_ni_t *peer_ni)
{
/* We're called with a shared lock on ksnd_global_lock */
ksock_conn_t *conn;
- cfs_list_t *ctmp;
+ struct list_head *ctmp;
- cfs_list_for_each (ctmp, &peer->ksnp_conns) {
+ list_for_each(ctmp, &peer_ni->ksnp_conns) {
int error;
- conn = cfs_list_entry (ctmp, ksock_conn_t, ksnc_list);
+ conn = list_entry(ctmp, ksock_conn_t, ksnc_list);
/* Don't need the {get,put}connsock dance to deref ksnc_sock */
LASSERT (!conn->ksnc_closing);
- /* SOCK_ERROR will reset error code of socket in
- * some platform (like Darwin8.x) */
- error = libcfs_sock_error(conn->ksnc_sock);
+ error = conn->ksnc_sock->sk->sk_err;
if (error != 0) {
ksocknal_conn_addref(conn);
switch (error) {
case ECONNRESET:
CNETERR("A connection with %s "
- "(%u.%u.%u.%u:%d) was reset; "
+ "(%pI4h:%d) was reset; "
"it may have rebooted.\n",
- libcfs_id2str(peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
+ libcfs_id2str(peer_ni->ksnp_id),
+ &conn->ksnc_ipaddr,
conn->ksnc_port);
break;
case ETIMEDOUT:
CNETERR("A connection with %s "
- "(%u.%u.%u.%u:%d) timed out; the "
+ "(%pI4h:%d) timed out; the "
"network or node may be down.\n",
- libcfs_id2str(peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
+ libcfs_id2str(peer_ni->ksnp_id),
+ &conn->ksnc_ipaddr,
conn->ksnc_port);
break;
default:
CNETERR("An unexpected network error %d "
"occurred with %s "
- "(%u.%u.%u.%u:%d\n", error,
- libcfs_id2str(peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
+ "(%pI4h:%d\n", error,
+ libcfs_id2str(peer_ni->ksnp_id),
+ &conn->ksnc_ipaddr,
conn->ksnc_port);
break;
}
conn->ksnc_rx_deadline)) {
/* Timed out incomplete incoming message */
ksocknal_conn_addref(conn);
- CNETERR("Timeout receiving from %s (%u.%u.%u.%u:%d), "
+ CNETERR("Timeout receiving from %s (%pI4h:%d), "
"state %d wanted %d left %d\n",
- libcfs_id2str(peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
+ libcfs_id2str(peer_ni->ksnp_id),
+ &conn->ksnc_ipaddr,
conn->ksnc_port,
conn->ksnc_rx_state,
conn->ksnc_rx_nob_wanted,
return (conn);
}
- if ((!cfs_list_empty(&conn->ksnc_tx_queue) ||
- libcfs_sock_wmem_queued(conn->ksnc_sock) != 0) &&
+ if ((!list_empty(&conn->ksnc_tx_queue) ||
+ conn->ksnc_sock->sk->sk_wmem_queued != 0) &&
cfs_time_aftereq(cfs_time_current(),
conn->ksnc_tx_deadline)) {
/* Timed out messages queued for sending or
* buffered in the socket's send buffer */
ksocknal_conn_addref(conn);
- CNETERR("Timeout sending data to %s (%u.%u.%u.%u:%d) "
+ CNETERR("Timeout sending data to %s (%pI4h:%d) "
"the network or that node may be down.\n",
- libcfs_id2str(peer->ksnp_id),
- HIPQUAD(conn->ksnc_ipaddr),
- conn->ksnc_port);
+ libcfs_id2str(peer_ni->ksnp_id),
+ &conn->ksnc_ipaddr, conn->ksnc_port);
return (conn);
}
}
}
static inline void
-ksocknal_flush_stale_txs(ksock_peer_t *peer)
+ksocknal_flush_stale_txs(ksock_peer_ni_t *peer_ni)
{
- ksock_tx_t *tx;
- CFS_LIST_HEAD (stale_txs);
+ ksock_tx_t *tx;
+ struct list_head stale_txs = LIST_HEAD_INIT(stale_txs);
write_lock_bh(&ksocknal_data.ksnd_global_lock);
- while (!cfs_list_empty (&peer->ksnp_tx_queue)) {
- tx = cfs_list_entry (peer->ksnp_tx_queue.next,
- ksock_tx_t, tx_list);
+ while (!list_empty(&peer_ni->ksnp_tx_queue)) {
+ tx = list_entry(peer_ni->ksnp_tx_queue.next,
+ ksock_tx_t, tx_list);
- if (!cfs_time_aftereq(cfs_time_current(),
- tx->tx_deadline))
- break;
+ if (!cfs_time_aftereq(cfs_time_current(),
+ tx->tx_deadline))
+ break;
- cfs_list_del (&tx->tx_list);
- cfs_list_add_tail (&tx->tx_list, &stale_txs);
- }
+ list_del(&tx->tx_list);
+ list_add_tail(&tx->tx_list, &stale_txs);
+ }
write_unlock_bh(&ksocknal_data.ksnd_global_lock);
- ksocknal_txlist_done(peer->ksnp_ni, &stale_txs, 1);
+ ksocknal_txlist_done(peer_ni->ksnp_ni, &stale_txs, -ETIMEDOUT);
}
-int
-ksocknal_send_keepalive_locked(ksock_peer_t *peer)
+static int
+ksocknal_send_keepalive_locked(ksock_peer_ni_t *peer_ni)
+__must_hold(&ksocknal_data.ksnd_global_lock)
{
ksock_sched_t *sched;
ksock_conn_t *conn;
ksock_tx_t *tx;
- if (cfs_list_empty(&peer->ksnp_conns)) /* last_alive will be updated by create_conn */
+ /* last_alive will be updated by create_conn */
+ if (list_empty(&peer_ni->ksnp_conns))
return 0;
- if (peer->ksnp_proto != &ksocknal_protocol_v3x)
+ if (peer_ni->ksnp_proto != &ksocknal_protocol_v3x)
return 0;
if (*ksocknal_tunables.ksnd_keepalive <= 0 ||
cfs_time_before(cfs_time_current(),
- cfs_time_add(peer->ksnp_last_alive,
+ cfs_time_add(peer_ni->ksnp_last_alive,
cfs_time_seconds(*ksocknal_tunables.ksnd_keepalive))))
return 0;
if (cfs_time_before(cfs_time_current(),
- peer->ksnp_send_keepalive))
+ peer_ni->ksnp_send_keepalive))
return 0;
/* retry 10 secs later, so we wouldn't put pressure
- * on this peer if we failed to send keepalive this time */
- peer->ksnp_send_keepalive = cfs_time_shift(10);
+ * on this peer_ni if we failed to send keepalive this time */
+ peer_ni->ksnp_send_keepalive = cfs_time_shift(10);
- conn = ksocknal_find_conn_locked(peer, NULL, 1);
+ conn = ksocknal_find_conn_locked(peer_ni, NULL, 1);
if (conn != NULL) {
sched = conn->ksnc_scheduler;
spin_lock_bh(&sched->kss_lock);
- if (!cfs_list_empty(&conn->ksnc_tx_queue)) {
+ if (!list_empty(&conn->ksnc_tx_queue)) {
spin_unlock_bh(&sched->kss_lock);
/* there is an queued ACK, don't need keepalive */
return 0;
return -ENOMEM;
}
- if (ksocknal_launch_packet(peer->ksnp_ni, tx, peer->ksnp_id) == 0) {
+ if (ksocknal_launch_packet(peer_ni->ksnp_ni, tx, peer_ni->ksnp_id) == 0) {
read_lock(&ksocknal_data.ksnd_global_lock);
return 1;
}
}
-void
+static void
ksocknal_check_peer_timeouts (int idx)
{
- cfs_list_t *peers = &ksocknal_data.ksnd_peers[idx];
- ksock_peer_t *peer;
+ struct list_head *peers = &ksocknal_data.ksnd_peers[idx];
+ ksock_peer_ni_t *peer_ni;
ksock_conn_t *conn;
ksock_tx_t *tx;
* take a look... */
read_lock(&ksocknal_data.ksnd_global_lock);
- cfs_list_for_each_entry_typed(peer, peers, ksock_peer_t, ksnp_list) {
- cfs_time_t deadline = 0;
- int resid = 0;
- int n = 0;
+ list_for_each_entry(peer_ni, peers, ksnp_list) {
+ ksock_tx_t *tx_stale;
+ cfs_time_t deadline = 0;
+ int resid = 0;
+ int n = 0;
- if (ksocknal_send_keepalive_locked(peer) != 0) {
+ if (ksocknal_send_keepalive_locked(peer_ni) != 0) {
read_unlock(&ksocknal_data.ksnd_global_lock);
goto again;
}
- conn = ksocknal_find_timed_out_conn (peer);
+ conn = ksocknal_find_timed_out_conn (peer_ni);
if (conn != NULL) {
read_unlock(&ksocknal_data.ksnd_global_lock);
ksocknal_close_conn_and_siblings (conn, -ETIMEDOUT);
/* NB we won't find this one again, but we can't
- * just proceed with the next peer, since we dropped
+ * just proceed with the next peer_ni, since we dropped
* ksnd_global_lock and it might be dead already! */
ksocknal_conn_decref(conn);
goto again;
/* we can't process stale txs right here because we're
* holding only shared lock */
- if (!cfs_list_empty (&peer->ksnp_tx_queue)) {
+ if (!list_empty(&peer_ni->ksnp_tx_queue)) {
ksock_tx_t *tx =
- cfs_list_entry (peer->ksnp_tx_queue.next,
+ list_entry(peer_ni->ksnp_tx_queue.next,
ksock_tx_t, tx_list);
if (cfs_time_aftereq(cfs_time_current(),
tx->tx_deadline)) {
- ksocknal_peer_addref(peer);
+ ksocknal_peer_addref(peer_ni);
read_unlock(&ksocknal_data.ksnd_global_lock);
- ksocknal_flush_stale_txs(peer);
+ ksocknal_flush_stale_txs(peer_ni);
- ksocknal_peer_decref(peer);
+ ksocknal_peer_decref(peer_ni);
goto again;
}
}
- if (cfs_list_empty(&peer->ksnp_zc_req_list))
+ if (list_empty(&peer_ni->ksnp_zc_req_list))
continue;
- spin_lock(&peer->ksnp_lock);
- cfs_list_for_each_entry_typed(tx, &peer->ksnp_zc_req_list,
- ksock_tx_t, tx_zc_list) {
+ tx_stale = NULL;
+ spin_lock(&peer_ni->ksnp_lock);
+ list_for_each_entry(tx, &peer_ni->ksnp_zc_req_list, tx_zc_list) {
if (!cfs_time_aftereq(cfs_time_current(),
tx->tx_deadline))
break;
if (tx->tx_conn->ksnc_closing)
continue;
n++;
+ if (tx_stale == NULL)
+ tx_stale = tx;
}
- if (n == 0) {
- spin_unlock(&peer->ksnp_lock);
- continue;
- }
+ if (tx_stale == NULL) {
+ spin_unlock(&peer_ni->ksnp_lock);
+ continue;
+ }
- tx = cfs_list_entry(peer->ksnp_zc_req_list.next,
- ksock_tx_t, tx_zc_list);
- deadline = tx->tx_deadline;
- resid = tx->tx_resid;
- conn = tx->tx_conn;
- ksocknal_conn_addref(conn);
+ deadline = tx_stale->tx_deadline;
+ resid = tx_stale->tx_resid;
+ conn = tx_stale->tx_conn;
+ ksocknal_conn_addref(conn);
- spin_unlock(&peer->ksnp_lock);
+ spin_unlock(&peer_ni->ksnp_lock);
read_unlock(&ksocknal_data.ksnd_global_lock);
- CERROR("Total %d stale ZC_REQs for peer %s detected; the "
- "oldest(%p) timed out %ld secs ago, "
- "resid: %d, wmem: %d\n",
- n, libcfs_nid2str(peer->ksnp_id.nid), tx,
- cfs_duration_sec(cfs_time_current() - deadline),
- resid, libcfs_sock_wmem_queued(conn->ksnc_sock));
+ CERROR("Total %d stale ZC_REQs for peer_ni %s detected; the "
+ "oldest(%p) timed out %ld secs ago, "
+ "resid: %d, wmem: %d\n",
+ n, libcfs_nid2str(peer_ni->ksnp_id.nid), tx_stale,
+ cfs_duration_sec(cfs_time_current() - deadline),
+ resid, conn->ksnc_sock->sk->sk_wmem_queued);
ksocknal_close_conn_and_siblings (conn, -ETIMEDOUT);
ksocknal_conn_decref(conn);
wait_queue_t wait;
ksock_conn_t *conn;
ksock_sched_t *sched;
- cfs_list_t enomem_conns;
+ struct list_head enomem_conns;
int nenomem_conns;
cfs_duration_t timeout;
int i;
cfs_block_allsigs ();
- CFS_INIT_LIST_HEAD(&enomem_conns);
- init_waitqueue_entry_current(&wait);
+ INIT_LIST_HEAD(&enomem_conns);
+ init_waitqueue_entry(&wait, current);
spin_lock_bh(&ksocknal_data.ksnd_reaper_lock);
while (!ksocknal_data.ksnd_shuttingdown) {
- if (!cfs_list_empty (&ksocknal_data.ksnd_deathrow_conns)) {
- conn = cfs_list_entry (ksocknal_data. \
+ if (!list_empty(&ksocknal_data.ksnd_deathrow_conns)) {
+ conn = list_entry(ksocknal_data. \
ksnd_deathrow_conns.next,
ksock_conn_t, ksnc_list);
- cfs_list_del (&conn->ksnc_list);
+ list_del(&conn->ksnc_list);
spin_unlock_bh(&ksocknal_data.ksnd_reaper_lock);
continue;
}
- if (!cfs_list_empty (&ksocknal_data.ksnd_zombie_conns)) {
- conn = cfs_list_entry (ksocknal_data.ksnd_zombie_conns.\
+ if (!list_empty(&ksocknal_data.ksnd_zombie_conns)) {
+ conn = list_entry(ksocknal_data.ksnd_zombie_conns.\
next, ksock_conn_t, ksnc_list);
- cfs_list_del (&conn->ksnc_list);
+ list_del(&conn->ksnc_list);
spin_unlock_bh(&ksocknal_data.ksnd_reaper_lock);
continue;
}
- if (!cfs_list_empty (&ksocknal_data.ksnd_enomem_conns)) {
- cfs_list_add(&enomem_conns,
+ if (!list_empty(&ksocknal_data.ksnd_enomem_conns)) {
+ list_add(&enomem_conns,
&ksocknal_data.ksnd_enomem_conns);
- cfs_list_del_init(&ksocknal_data.ksnd_enomem_conns);
+ list_del_init(&ksocknal_data.ksnd_enomem_conns);
}
spin_unlock_bh(&ksocknal_data.ksnd_reaper_lock);
/* reschedule all the connections that stalled with ENOMEM... */
nenomem_conns = 0;
- while (!cfs_list_empty (&enomem_conns)) {
- conn = cfs_list_entry (enomem_conns.next,
+ while (!list_empty(&enomem_conns)) {
+ conn = list_entry(enomem_conns.next,
ksock_conn_t, ksnc_tx_list);
- cfs_list_del (&conn->ksnc_tx_list);
+ list_del(&conn->ksnc_tx_list);
sched = conn->ksnc_scheduler;
LASSERT(conn->ksnc_tx_scheduled);
conn->ksnc_tx_ready = 1;
- cfs_list_add_tail(&conn->ksnc_tx_list,
+ list_add_tail(&conn->ksnc_tx_list,
&sched->kss_tx_conns);
wake_up(&sched->kss_waitq);
int chunk = ksocknal_data.ksnd_peer_hash_size;
/* Time to check for timeouts on a few more peers: I do
- * checks every 'p' seconds on a proportion of the peer
+ * checks every 'p' seconds on a proportion of the peer_ni
* table and I need to check every connection 'n' times
* within a timeout interval, to ensure I detect a
* timeout on any connection within (n+1)/n times the
add_wait_queue(&ksocknal_data.ksnd_reaper_waitq, &wait);
if (!ksocknal_data.ksnd_shuttingdown &&
- cfs_list_empty(&ksocknal_data.ksnd_deathrow_conns) &&
- cfs_list_empty(&ksocknal_data.ksnd_zombie_conns))
- waitq_timedwait(&wait, TASK_INTERRUPTIBLE, timeout);
+ list_empty(&ksocknal_data.ksnd_deathrow_conns) &&
+ list_empty(&ksocknal_data.ksnd_zombie_conns))
+ schedule_timeout(timeout);
set_current_state(TASK_RUNNING);
remove_wait_queue(&ksocknal_data.ksnd_reaper_waitq, &wait);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff