* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
int i;
LASSERT (net != NULL);
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT (!tx->tx_queued); /* mustn't be queued for sending */
LASSERT (tx->tx_sending == 0); /* mustn't be awaiting sent callback */
LASSERT (!tx->tx_waiting); /* mustn't be awaiting peer response */
}
void
-kiblnd_txlist_done (lnet_ni_t *ni, struct list_head *txlist, int status)
+kiblnd_txlist_done (lnet_ni_t *ni, cfs_list_t *txlist, int status)
{
kib_tx_t *tx;
- while (!list_empty (txlist)) {
- tx = list_entry (txlist->next, kib_tx_t, tx_list);
+ while (!cfs_list_empty (txlist)) {
+ tx = cfs_list_entry (txlist->next, kib_tx_t, tx_list);
- list_del(&tx->tx_list);
+ cfs_list_del(&tx->tx_list);
/* complete now */
tx->tx_waiting = 0;
tx->tx_status = status;
kib_tx_t *
kiblnd_get_idle_tx (lnet_ni_t *ni)
{
- kib_net_t *net = (kib_net_t *)ni->ni_data;
- struct list_head *node;
- kib_tx_t *tx;
+ kib_net_t *net = (kib_net_t *)ni->ni_data;
+ cfs_list_t *node;
+ kib_tx_t *tx;
node = kiblnd_pool_alloc_node(&net->ibn_tx_ps.tps_poolset);
if (node == NULL)
kib_conn_t *conn = rx->rx_conn;
unsigned long flags;
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
LASSERT (conn->ibc_nrx > 0);
conn->ibc_nrx--;
- spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
kiblnd_conn_decref(conn);
}
int rc;
LASSERT (net != NULL);
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT (credit == IBLND_POSTRX_NO_CREDIT ||
credit == IBLND_POSTRX_PEER_CREDIT ||
credit == IBLND_POSTRX_RSRVD_CREDIT);
if (credit == IBLND_POSTRX_NO_CREDIT)
return 0;
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
if (credit == IBLND_POSTRX_PEER_CREDIT)
conn->ibc_outstanding_credits++;
else
conn->ibc_reserved_credits++;
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
kiblnd_check_sends(conn);
return 0;
kib_tx_t *
kiblnd_find_waiting_tx_locked(kib_conn_t *conn, int txtype, __u64 cookie)
{
- struct list_head *tmp;
+ cfs_list_t *tmp;
- list_for_each(tmp, &conn->ibc_active_txs) {
- kib_tx_t *tx = list_entry(tmp, kib_tx_t, tx_list);
+ cfs_list_for_each(tmp, &conn->ibc_active_txs) {
+ kib_tx_t *tx = cfs_list_entry(tmp, kib_tx_t, tx_list);
LASSERT (!tx->tx_queued);
LASSERT (tx->tx_sending != 0 || tx->tx_waiting);
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
int idle;
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
tx = kiblnd_find_waiting_tx_locked(conn, txtype, cookie);
if (tx == NULL) {
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
CWARN("Unmatched completion type %x cookie "LPX64" from %s\n",
txtype, cookie, libcfs_nid2str(conn->ibc_peer->ibp_nid));
idle = !tx->tx_queued && (tx->tx_sending == 0);
if (idle)
- list_del(&tx->tx_list);
+ cfs_list_del(&tx->tx_list);
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
if (idle)
kiblnd_tx_done(ni, tx);
LASSERT (conn->ibc_state >= IBLND_CONN_ESTABLISHED);
CDEBUG (D_NET, "Received %x[%d] from %s\n",
- msg->ibm_type, credits, libcfs_nid2str(conn->ibc_peer->ibp_nid));
+ msg->ibm_type, credits,
+ libcfs_nid2str(conn->ibc_peer->ibp_nid));
if (credits != 0) {
/* Have I received credits that will let me send? */
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
if (conn->ibc_credits + credits >
IBLND_MSG_QUEUE_SIZE(conn->ibc_version)) {
rc2 = conn->ibc_credits;
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
CERROR("Bad credits from %s: %d + %d > %d\n",
libcfs_nid2str(conn->ibc_peer->ibp_nid),
- rc2, credits, IBLND_MSG_QUEUE_SIZE(conn->ibc_version));
+ rc2, credits,
+ IBLND_MSG_QUEUE_SIZE(conn->ibc_version));
kiblnd_close_conn(conn, -EPROTO);
kiblnd_post_rx(rx, IBLND_POSTRX_NO_CREDIT);
conn->ibc_credits += credits;
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
kiblnd_check_sends(conn);
}
break;
case IBLND_MSG_PUT_NAK:
- CWARN ("PUT_NACK from %s\n", libcfs_nid2str(conn->ibc_peer->ibp_nid));
+ CWARN ("PUT_NACK from %s\n",
+ libcfs_nid2str(conn->ibc_peer->ibp_nid));
post_credit = IBLND_POSTRX_RSRVD_CREDIT;
kiblnd_handle_completion(conn, IBLND_MSG_PUT_REQ,
msg->ibm_u.completion.ibcm_status,
case IBLND_MSG_PUT_ACK:
post_credit = IBLND_POSTRX_RSRVD_CREDIT;
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
tx = kiblnd_find_waiting_tx_locked(conn, IBLND_MSG_PUT_REQ,
msg->ibm_u.putack.ibpam_src_cookie);
if (tx != NULL)
- list_del(&tx->tx_list);
- spin_unlock(&conn->ibc_lock);
+ cfs_list_del(&tx->tx_list);
+ cfs_spin_unlock(&conn->ibc_lock);
if (tx == NULL) {
CERROR("Unmatched PUT_ACK from %s\n",
CERROR("Can't setup rdma for PUT to %s: %d\n",
libcfs_nid2str(conn->ibc_peer->ibp_nid), rc2);
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
tx->tx_waiting = 0; /* clear waiting and queue atomically */
kiblnd_queue_tx_locked(tx, conn);
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
break;
case IBLND_MSG_PUT_DONE:
/* racing with connection establishment/teardown! */
if (conn->ibc_state < IBLND_CONN_ESTABLISHED) {
- rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
+ cfs_rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
unsigned long flags;
- write_lock_irqsave(g_lock, flags);
+ cfs_write_lock_irqsave(g_lock, flags);
/* must check holding global lock to eliminate race */
if (conn->ibc_state < IBLND_CONN_ESTABLISHED) {
- list_add_tail(&rx->rx_list, &conn->ibc_early_rxs);
- write_unlock_irqrestore(g_lock, flags);
+ cfs_list_add_tail(&rx->rx_list, &conn->ibc_early_rxs);
+ cfs_write_unlock_irqrestore(g_lock, flags);
return;
}
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
}
kiblnd_handle_rx(rx);
return;
return kiblnd_map_tx(ni, tx, rd, sg - tx->tx_frags);
}
+static inline int
+get_kiov_length (int nkiov, lnet_kiov_t *kiov, int offset, int nob)
+{
+ int fragnob;
+ int count = 0;
+
+ do {
+ LASSERT (nkiov > 0);
+
+ fragnob = min((int)(kiov->kiov_len - offset), nob);
+
+ count++;
+
+ offset = 0;
+ kiov++;
+ nkiov--;
+ nob -= fragnob;
+ } while (nob > 0);
+
+ return count;
+}
+
int
kiblnd_setup_rd_kiov (lnet_ni_t *ni, kib_tx_t *tx, kib_rdma_desc_t *rd,
int nkiov, lnet_kiov_t *kiov, int offset, int nob)
}
sg = tx->tx_frags;
+ tx->tx_nfrags = get_kiov_length(nkiov, kiov, offset, nob);
+ sg_init_table(sg, tx->tx_nfrags);
do {
LASSERT (nkiov > 0);
fragnob = min((int)(kiov->kiov_len - offset), nob);
- memset(sg, 0, sizeof(*sg));
sg_set_page(sg, kiov->kiov_page, fragnob,
kiov->kiov_offset + offset);
sg++;
}
/* NB don't drop ibc_lock before bumping tx_sending */
- list_del(&tx->tx_list);
+ cfs_list_del(&tx->tx_list);
tx->tx_queued = 0;
if (msg->ibm_type == IBLND_MSG_NOOP &&
/* OK to drop when posted enough NOOPs, since
* kiblnd_check_sends will queue NOOP again when
* posted NOOPs complete */
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
kiblnd_tx_done(peer->ibp_ni, tx);
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
CDEBUG(D_NET, "%s(%d): redundant or enough NOOP\n",
libcfs_nid2str(peer->ibp_nid),
conn->ibc_noops_posted);
* tx_sending is non-zero if we've not done the tx_complete()
* from the first send; hence the ++ rather than = below. */
tx->tx_sending++;
- list_add(&tx->tx_list, &conn->ibc_active_txs);
+ cfs_list_add(&tx->tx_list, &conn->ibc_active_txs);
/* I'm still holding ibc_lock! */
if (conn->ibc_state != IBLND_CONN_ESTABLISHED)
done = (tx->tx_sending == 0);
if (done)
- list_del(&tx->tx_list);
+ cfs_list_del(&tx->tx_list);
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
if (conn->ibc_state == IBLND_CONN_ESTABLISHED)
CERROR("Error %d posting transmit to %s\n",
if (done)
kiblnd_tx_done(peer->ibp_ni, tx);
+
+ cfs_spin_lock(&conn->ibc_lock);
+
return -EIO;
}
return;
}
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
LASSERT (conn->ibc_nsends_posted <= IBLND_CONCURRENT_SENDS(ver));
LASSERT (!IBLND_OOB_CAPABLE(ver) ||
LASSERT (conn->ibc_reserved_credits >= 0);
while (conn->ibc_reserved_credits > 0 &&
- !list_empty(&conn->ibc_tx_queue_rsrvd)) {
- tx = list_entry(conn->ibc_tx_queue_rsrvd.next,
- kib_tx_t, tx_list);
- list_del(&tx->tx_list);
- list_add_tail(&tx->tx_list, &conn->ibc_tx_queue);
+ !cfs_list_empty(&conn->ibc_tx_queue_rsrvd)) {
+ tx = cfs_list_entry(conn->ibc_tx_queue_rsrvd.next,
+ kib_tx_t, tx_list);
+ cfs_list_del(&tx->tx_list);
+ cfs_list_add_tail(&tx->tx_list, &conn->ibc_tx_queue);
conn->ibc_reserved_credits--;
}
if (kiblnd_send_noop(conn)) {
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
tx = kiblnd_get_idle_tx(ni);
if (tx != NULL)
kiblnd_init_tx_msg(ni, tx, IBLND_MSG_NOOP, 0);
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
if (tx != NULL)
kiblnd_queue_tx_locked(tx, conn);
}
+ kiblnd_conn_addref(conn); /* 1 ref for me.... (see b21911) */
+
for (;;) {
int credit;
- if (!list_empty(&conn->ibc_tx_queue_nocred)) {
+ if (!cfs_list_empty(&conn->ibc_tx_queue_nocred)) {
credit = 0;
- tx = list_entry(conn->ibc_tx_queue_nocred.next,
- kib_tx_t, tx_list);
- } else if (!list_empty(&conn->ibc_tx_queue)) {
+ tx = cfs_list_entry(conn->ibc_tx_queue_nocred.next,
+ kib_tx_t, tx_list);
+ } else if (!cfs_list_empty(&conn->ibc_tx_queue)) {
credit = 1;
- tx = list_entry(conn->ibc_tx_queue.next,
- kib_tx_t, tx_list);
+ tx = cfs_list_entry(conn->ibc_tx_queue.next,
+ kib_tx_t, tx_list);
} else
break;
break;
}
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
+
+ kiblnd_conn_decref(conn); /* ...until here */
}
void
kiblnd_peer_alive(conn->ibc_peer);
}
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
/* I could be racing with rdma completion. Whoever makes 'tx' idle
* gets to free it, which also drops its ref on 'conn'. */
!tx->tx_waiting && /* Not waiting for peer */
!tx->tx_queued; /* Not re-queued (PUT_DONE) */
if (idle)
- list_del(&tx->tx_list);
+ cfs_list_del(&tx->tx_list);
kiblnd_conn_addref(conn); /* 1 ref for me.... */
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
if (idle)
kiblnd_tx_done(conn->ibc_peer->ibp_ni, tx);
int dstidx;
int wrknob;
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT (tx->tx_nwrq == 0);
LASSERT (type == IBLND_MSG_GET_DONE ||
type == IBLND_MSG_PUT_DONE);
void
kiblnd_queue_tx_locked (kib_tx_t *tx, kib_conn_t *conn)
{
- struct list_head *q;
+ cfs_list_t *q;
LASSERT (tx->tx_nwrq > 0); /* work items set up */
LASSERT (!tx->tx_queued); /* not queued for sending already */
LASSERT (conn->ibc_state >= IBLND_CONN_ESTABLISHED);
tx->tx_queued = 1;
- tx->tx_deadline = jiffies + (*kiblnd_tunables.kib_timeout * HZ);
+ tx->tx_deadline = jiffies + (*kiblnd_tunables.kib_timeout * CFS_HZ);
if (tx->tx_conn == NULL) {
kiblnd_conn_addref(conn);
break;
}
- list_add_tail(&tx->tx_list, q);
+ cfs_list_add_tail(&tx->tx_list, q);
}
void
kiblnd_queue_tx (kib_tx_t *tx, kib_conn_t *conn)
{
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
kiblnd_queue_tx_locked(tx, conn);
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
kiblnd_check_sends(conn);
}
kib_peer_t *peer;
kib_peer_t *peer2;
kib_conn_t *conn;
- rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
+ cfs_rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
unsigned long flags;
int rc;
/* First time, just use a read lock since I expect to find my peer
* connected */
- read_lock_irqsave(g_lock, flags);
+ cfs_read_lock_irqsave(g_lock, flags);
peer = kiblnd_find_peer_locked(nid);
- if (peer != NULL && !list_empty(&peer->ibp_conns)) {
+ if (peer != NULL && !cfs_list_empty(&peer->ibp_conns)) {
/* Found a peer with an established connection */
conn = kiblnd_get_conn_locked(peer);
kiblnd_conn_addref(conn); /* 1 ref for me... */
- read_unlock_irqrestore(g_lock, flags);
+ cfs_read_unlock_irqrestore(g_lock, flags);
if (tx != NULL)
kiblnd_queue_tx(tx, conn);
return;
}
- read_unlock(g_lock);
+ cfs_read_unlock(g_lock);
/* Re-try with a write lock */
- write_lock(g_lock);
+ cfs_write_lock(g_lock);
peer = kiblnd_find_peer_locked(nid);
if (peer != NULL) {
- if (list_empty(&peer->ibp_conns)) {
+ if (cfs_list_empty(&peer->ibp_conns)) {
/* found a peer, but it's still connecting... */
LASSERT (peer->ibp_connecting != 0 ||
peer->ibp_accepting != 0);
if (tx != NULL)
- list_add_tail(&tx->tx_list, &peer->ibp_tx_queue);
- write_unlock_irqrestore(g_lock, flags);
+ cfs_list_add_tail(&tx->tx_list,
+ &peer->ibp_tx_queue);
+ cfs_write_unlock_irqrestore(g_lock, flags);
} else {
conn = kiblnd_get_conn_locked(peer);
kiblnd_conn_addref(conn); /* 1 ref for me... */
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
if (tx != NULL)
kiblnd_queue_tx(tx, conn);
return;
}
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
/* Allocate a peer ready to add to the peer table and retry */
rc = kiblnd_create_peer(ni, &peer, nid);
return;
}
- write_lock_irqsave(g_lock, flags);
+ cfs_write_lock_irqsave(g_lock, flags);
peer2 = kiblnd_find_peer_locked(nid);
if (peer2 != NULL) {
- if (list_empty(&peer2->ibp_conns)) {
+ if (cfs_list_empty(&peer2->ibp_conns)) {
/* found a peer, but it's still connecting... */
LASSERT (peer2->ibp_connecting != 0 ||
peer2->ibp_accepting != 0);
if (tx != NULL)
- list_add_tail(&tx->tx_list, &peer2->ibp_tx_queue);
- write_unlock_irqrestore(g_lock, flags);
+ cfs_list_add_tail(&tx->tx_list,
+ &peer2->ibp_tx_queue);
+ cfs_write_unlock_irqrestore(g_lock, flags);
} else {
conn = kiblnd_get_conn_locked(peer2);
kiblnd_conn_addref(conn); /* 1 ref for me... */
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
if (tx != NULL)
kiblnd_queue_tx(tx, conn);
LASSERT (((kib_net_t *)ni->ni_data)->ibn_shutdown == 0);
if (tx != NULL)
- list_add_tail(&tx->tx_list, &peer->ibp_tx_queue);
+ cfs_list_add_tail(&tx->tx_list, &peer->ibp_tx_queue);
kiblnd_peer_addref(peer);
- list_add_tail(&peer->ibp_list, kiblnd_nid2peerlist(nid));
+ cfs_list_add_tail(&peer->ibp_list, kiblnd_nid2peerlist(nid));
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
kiblnd_connect_peer(peer);
kiblnd_peer_decref(peer);
LASSERT (payload_niov <= LNET_MAX_IOV);
/* Thread context */
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
/* payload is either all vaddrs or all pages */
LASSERT (!(payload_kiov != NULL && payload_iov != NULL));
int rc = 0;
LASSERT (mlen <= rlen);
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
/* Either all pages or all vaddrs */
LASSERT (!(kiov != NULL && iov != NULL));
int
kiblnd_thread_start (int (*fn)(void *arg), void *arg)
{
- long pid = kernel_thread (fn, arg, 0);
+ long pid = cfs_kernel_thread (fn, arg, 0);
if (pid < 0)
return ((int)pid);
- atomic_inc (&kiblnd_data.kib_nthreads);
+ cfs_atomic_inc (&kiblnd_data.kib_nthreads);
return (0);
}
void
kiblnd_thread_fini (void)
{
- atomic_dec (&kiblnd_data.kib_nthreads);
+ cfs_atomic_dec (&kiblnd_data.kib_nthreads);
}
void
{
/* This is racy, but everyone's only writing cfs_time_current() */
peer->ibp_last_alive = cfs_time_current();
- mb();
+ cfs_mb();
}
void
cfs_time_t last_alive = 0;
unsigned long flags;
- read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
- if (list_empty(&peer->ibp_conns) &&
+ if (cfs_list_empty(&peer->ibp_conns) &&
peer->ibp_accepting == 0 &&
peer->ibp_connecting == 0 &&
peer->ibp_error != 0) {
last_alive = peer->ibp_last_alive;
}
- read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
if (error != 0)
lnet_notify(peer->ibp_ni,
return; /* already being handled */
if (error == 0 &&
- list_empty(&conn->ibc_tx_queue) &&
- list_empty(&conn->ibc_tx_queue_rsrvd) &&
- list_empty(&conn->ibc_tx_queue_nocred) &&
- list_empty(&conn->ibc_active_txs)) {
+ cfs_list_empty(&conn->ibc_tx_queue) &&
+ cfs_list_empty(&conn->ibc_tx_queue_rsrvd) &&
+ cfs_list_empty(&conn->ibc_tx_queue_nocred) &&
+ cfs_list_empty(&conn->ibc_active_txs)) {
CDEBUG(D_NET, "closing conn to %s\n",
libcfs_nid2str(peer->ibp_nid));
} else {
CDEBUG(D_NETERROR, "Closing conn to %s: error %d%s%s%s%s\n",
libcfs_nid2str(peer->ibp_nid), error,
- list_empty(&conn->ibc_tx_queue) ? "" : "(sending)",
- list_empty(&conn->ibc_tx_queue_rsrvd) ? "" : "(sending_rsrvd)",
- list_empty(&conn->ibc_tx_queue_nocred) ? "" : "(sending_nocred)",
- list_empty(&conn->ibc_active_txs) ? "" : "(waiting)");
+ cfs_list_empty(&conn->ibc_tx_queue) ? "" : "(sending)",
+ cfs_list_empty(&conn->ibc_tx_queue_rsrvd) ? "" : "(sending_rsrvd)",
+ cfs_list_empty(&conn->ibc_tx_queue_nocred) ? "" : "(sending_nocred)",
+ cfs_list_empty(&conn->ibc_active_txs) ? "" : "(waiting)");
}
- list_del(&conn->ibc_list);
+ cfs_list_del(&conn->ibc_list);
/* connd (see below) takes over ibc_list's ref */
- if (list_empty (&peer->ibp_conns) && /* no more conns */
+ if (cfs_list_empty (&peer->ibp_conns) && /* no more conns */
kiblnd_peer_active(peer)) { /* still in peer table */
kiblnd_unlink_peer_locked(peer);
kiblnd_set_conn_state(conn, IBLND_CONN_CLOSING);
- spin_lock_irqsave(&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_connd_lock, flags);
- list_add_tail (&conn->ibc_list, &kiblnd_data.kib_connd_conns);
- wake_up (&kiblnd_data.kib_connd_waitq);
+ cfs_list_add_tail (&conn->ibc_list, &kiblnd_data.kib_connd_conns);
+ cfs_waitq_signal (&kiblnd_data.kib_connd_waitq);
- spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);
}
void
{
unsigned long flags;
- write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
kiblnd_close_conn_locked(conn, error);
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
}
void
unsigned long flags;
kib_rx_t *rx;
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT (conn->ibc_state >= IBLND_CONN_ESTABLISHED);
- write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
- while (!list_empty(&conn->ibc_early_rxs)) {
- rx = list_entry(conn->ibc_early_rxs.next,
+ cfs_write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ while (!cfs_list_empty(&conn->ibc_early_rxs)) {
+ rx = cfs_list_entry(conn->ibc_early_rxs.next,
kib_rx_t, rx_list);
- list_del(&rx->rx_list);
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_list_del(&rx->rx_list);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock,
+ flags);
kiblnd_handle_rx(rx);
- write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
}
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
}
void
-kiblnd_abort_txs(kib_conn_t *conn, struct list_head *txs)
+kiblnd_abort_txs(kib_conn_t *conn, cfs_list_t *txs)
{
- LIST_HEAD (zombies);
- struct list_head *tmp;
- struct list_head *nxt;
+ CFS_LIST_HEAD (zombies);
+ cfs_list_t *tmp;
+ cfs_list_t *nxt;
kib_tx_t *tx;
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
- list_for_each_safe (tmp, nxt, txs) {
- tx = list_entry (tmp, kib_tx_t, tx_list);
+ cfs_list_for_each_safe (tmp, nxt, txs) {
+ tx = cfs_list_entry (tmp, kib_tx_t, tx_list);
if (txs == &conn->ibc_active_txs) {
LASSERT (!tx->tx_queued);
if (tx->tx_sending == 0) {
tx->tx_queued = 0;
- list_del (&tx->tx_list);
- list_add (&tx->tx_list, &zombies);
+ cfs_list_del (&tx->tx_list);
+ cfs_list_add (&tx->tx_list, &zombies);
}
}
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
kiblnd_txlist_done(conn->ibc_peer->ibp_ni,
&zombies, -ECONNABORTED);
void
kiblnd_finalise_conn (kib_conn_t *conn)
{
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT (conn->ibc_state > IBLND_CONN_INIT);
kiblnd_set_conn_state(conn, IBLND_CONN_DISCONNECTED);
void
kiblnd_peer_connect_failed (kib_peer_t *peer, int active, int error)
{
- LIST_HEAD (zombies);
+ CFS_LIST_HEAD (zombies);
unsigned long flags;
LASSERT (error != 0);
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
- write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
if (active) {
LASSERT (peer->ibp_connecting > 0);
if (peer->ibp_connecting != 0 ||
peer->ibp_accepting != 0) {
/* another connection attempt under way... */
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock,
+ flags);
return;
}
- if (list_empty(&peer->ibp_conns)) {
+ if (cfs_list_empty(&peer->ibp_conns)) {
/* Take peer's blocked transmits to complete with error */
- list_add(&zombies, &peer->ibp_tx_queue);
- list_del_init(&peer->ibp_tx_queue);
+ cfs_list_add(&zombies, &peer->ibp_tx_queue);
+ cfs_list_del_init(&peer->ibp_tx_queue);
if (kiblnd_peer_active(peer))
kiblnd_unlink_peer_locked(peer);
peer->ibp_error = error;
} else {
/* Can't have blocked transmits if there are connections */
- LASSERT (list_empty(&peer->ibp_tx_queue));
+ LASSERT (cfs_list_empty(&peer->ibp_tx_queue));
}
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
kiblnd_peer_notify(peer);
- if (list_empty (&zombies))
+ if (cfs_list_empty (&zombies))
return;
CDEBUG (D_NETERROR, "Deleting messages for %s: connection failed\n",
{
kib_peer_t *peer = conn->ibc_peer;
kib_tx_t *tx;
- struct list_head txs;
+ cfs_list_t txs;
unsigned long flags;
int active;
libcfs_nid2str(peer->ibp_nid), active,
conn->ibc_version, status);
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT ((conn->ibc_state == IBLND_CONN_ACTIVE_CONNECT &&
peer->ibp_connecting > 0) ||
(conn->ibc_state == IBLND_CONN_PASSIVE_WAIT &&
}
/* connection established */
- write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
conn->ibc_last_send = jiffies;
kiblnd_set_conn_state(conn, IBLND_CONN_ESTABLISHED);
/* Add conn to peer's list and nuke any dangling conns from a different
* peer instance... */
kiblnd_conn_addref(conn); /* +1 ref for ibc_list */
- list_add(&conn->ibc_list, &peer->ibp_conns);
+ cfs_list_add(&conn->ibc_list, &peer->ibp_conns);
if (active)
peer->ibp_connecting--;
else
}
/* grab pending txs while I have the lock */
- list_add(&txs, &peer->ibp_tx_queue);
- list_del_init(&peer->ibp_tx_queue);
+ cfs_list_add(&txs, &peer->ibp_tx_queue);
+ cfs_list_del_init(&peer->ibp_tx_queue);
if (!kiblnd_peer_active(peer) || /* peer has been deleted */
conn->ibc_comms_error != 0) { /* error has happened already */
/* start to shut down connection */
kiblnd_close_conn_locked(conn, -ECONNABORTED);
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock,
+ flags);
kiblnd_txlist_done(ni, &txs, -ECONNABORTED);
return;
}
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
/* Schedule blocked txs */
- spin_lock (&conn->ibc_lock);
- while (!list_empty (&txs)) {
- tx = list_entry (txs.next, kib_tx_t, tx_list);
- list_del(&tx->tx_list);
+ cfs_spin_lock (&conn->ibc_lock);
+ while (!cfs_list_empty (&txs)) {
+ tx = cfs_list_entry (txs.next, kib_tx_t, tx_list);
+ cfs_list_del(&tx->tx_list);
kiblnd_queue_tx_locked(tx, conn);
}
- spin_unlock (&conn->ibc_lock);
+ cfs_spin_unlock (&conn->ibc_lock);
kiblnd_check_sends(conn);
int
kiblnd_passive_connect (struct rdma_cm_id *cmid, void *priv, int priv_nob)
{
- rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
+ cfs_rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
kib_msg_t *reqmsg = priv;
kib_msg_t *ackmsg;
kib_dev_t *ibdev;
unsigned long flags;
int rc;
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
/* cmid inherits 'context' from the corresponding listener id */
ibdev = (kib_dev_t *)cmid->context;
goto failed;
}
- write_lock_irqsave(g_lock, flags);
+ cfs_write_lock_irqsave(g_lock, flags);
peer2 = kiblnd_find_peer_locked(nid);
if (peer2 != NULL) {
if (peer2->ibp_incarnation != reqmsg->ibm_srcstamp ||
peer2->ibp_version != version) {
kiblnd_close_peer_conns_locked(peer2, -ESTALE);
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
CWARN("Conn stale %s [old ver: %x, new ver: %x]\n",
libcfs_nid2str(nid), peer2->ibp_version, version);
/* tie-break connection race in favour of the higher NID */
if (peer2->ibp_connecting != 0 &&
nid < ni->ni_nid) {
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
CWARN("Conn race %s\n", libcfs_nid2str(peer2->ibp_nid));
peer2->ibp_accepting++;
kiblnd_peer_addref(peer2);
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
kiblnd_peer_decref(peer);
peer = peer2;
} else {
LASSERT (net->ibn_shutdown == 0);
kiblnd_peer_addref(peer);
- list_add_tail(&peer->ibp_list, kiblnd_nid2peerlist(nid));
+ cfs_list_add_tail(&peer->ibp_list, kiblnd_nid2peerlist(nid));
- write_unlock_irqrestore(g_lock, flags);
+ cfs_write_unlock_irqrestore(g_lock, flags);
}
conn = kiblnd_create_conn(peer, cmid, IBLND_CONN_PASSIVE_WAIT, version);
LASSERT (conn->ibc_state == IBLND_CONN_ACTIVE_CONNECT);
LASSERT (peer->ibp_connecting > 0); /* 'conn' at least */
- write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
/* retry connection if it's still needed and no other connection
- * attempts (active or passive) are in progress */
- if (!list_empty(&peer->ibp_tx_queue) &&
+ * attempts (active or passive) are in progress
+ * NB: reconnect is still needed even when ibp_tx_queue is
+ * empty if ibp_version != version because reconnect may be
+ * initiated by kiblnd_query() */
+ if ((!cfs_list_empty(&peer->ibp_tx_queue) ||
+ peer->ibp_version != version) &&
peer->ibp_connecting == 1 &&
peer->ibp_accepting == 0) {
retry = 1;
peer->ibp_incarnation = incarnation;
}
- write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
if (!retry)
return;
{
kib_peer_t *peer = conn->ibc_peer;
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT (conn->ibc_state == IBLND_CONN_ACTIVE_CONNECT);
switch (reason) {
goto failed;
}
- read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
if (msg->ibm_dstnid == ni->ni_nid &&
msg->ibm_dststamp == net->ibn_incarnation)
rc = 0;
else
rc = -ESTALE;
- read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
if (rc != 0) {
CERROR("Bad connection reply from %s, rc = %d, "
unsigned long flags;
int rc;
- read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
incarnation = peer->ibp_incarnation;
version = (peer->ibp_version == 0) ? IBLND_MSG_VERSION : peer->ibp_version;
- read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
conn = kiblnd_create_conn(peer, cmid, IBLND_CONN_ACTIVE_CONNECT, version);
if (conn == NULL) {
}
int
-kiblnd_check_txs (kib_conn_t *conn, struct list_head *txs)
+kiblnd_check_txs (kib_conn_t *conn, cfs_list_t *txs)
{
kib_tx_t *tx;
- struct list_head *ttmp;
+ cfs_list_t *ttmp;
int timed_out = 0;
- spin_lock(&conn->ibc_lock);
+ cfs_spin_lock(&conn->ibc_lock);
- list_for_each (ttmp, txs) {
- tx = list_entry (ttmp, kib_tx_t, tx_list);
+ cfs_list_for_each (ttmp, txs) {
+ tx = cfs_list_entry (ttmp, kib_tx_t, tx_list);
if (txs != &conn->ibc_active_txs) {
LASSERT (tx->tx_queued);
LASSERT (tx->tx_waiting || tx->tx_sending != 0);
}
- if (time_after_eq (jiffies, tx->tx_deadline)) {
+ if (cfs_time_aftereq (jiffies, tx->tx_deadline)) {
timed_out = 1;
CERROR("Timed out tx: %s, %lu seconds\n",
kiblnd_queue2str(conn, txs),
}
}
- spin_unlock(&conn->ibc_lock);
+ cfs_spin_unlock(&conn->ibc_lock);
return timed_out;
}
void
kiblnd_check_conns (int idx)
{
- struct list_head *peers = &kiblnd_data.kib_peers[idx];
- struct list_head *ptmp;
+ cfs_list_t *peers = &kiblnd_data.kib_peers[idx];
+ cfs_list_t *ptmp;
kib_peer_t *peer;
kib_conn_t *conn;
- struct list_head *ctmp;
+ cfs_list_t *ctmp;
unsigned long flags;
again:
/* NB. We expect to have a look at all the peers and not find any
* rdmas to time out, so we just use a shared lock while we
* take a look... */
- read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
- list_for_each (ptmp, peers) {
- peer = list_entry (ptmp, kib_peer_t, ibp_list);
+ cfs_list_for_each (ptmp, peers) {
+ peer = cfs_list_entry (ptmp, kib_peer_t, ibp_list);
- list_for_each (ctmp, &peer->ibp_conns) {
- conn = list_entry (ctmp, kib_conn_t, ibc_list);
+ cfs_list_for_each (ctmp, &peer->ibp_conns) {
+ conn = cfs_list_entry (ctmp, kib_conn_t, ibc_list);
LASSERT (conn->ibc_state == IBLND_CONN_ESTABLISHED);
kiblnd_conn_addref(conn); /* 1 ref for me... */
- read_unlock_irqrestore(&kiblnd_data.kib_global_lock,
- flags);
+ cfs_read_unlock_irqrestore(&kiblnd_data.kib_global_lock,
+ flags);
CERROR("Timed out RDMA with %s (%lu)\n",
libcfs_nid2str(peer->ibp_nid),
}
}
- read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
+ cfs_read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
}
void
kiblnd_disconnect_conn (kib_conn_t *conn)
{
- LASSERT (!in_interrupt());
+ LASSERT (!cfs_in_interrupt());
LASSERT (current == kiblnd_data.kib_connd);
LASSERT (conn->ibc_state == IBLND_CONN_CLOSING);
int
kiblnd_connd (void *arg)
{
- wait_queue_t wait;
+ cfs_waitlink_t wait;
unsigned long flags;
kib_conn_t *conn;
int timeout;
cfs_daemonize ("kiblnd_connd");
cfs_block_allsigs ();
- init_waitqueue_entry (&wait, current);
+ cfs_waitlink_init (&wait);
kiblnd_data.kib_connd = current;
- spin_lock_irqsave(&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_connd_lock, flags);
while (!kiblnd_data.kib_shutdown) {
dropped_lock = 0;
- if (!list_empty (&kiblnd_data.kib_connd_zombies)) {
- conn = list_entry (kiblnd_data.kib_connd_zombies.next,
- kib_conn_t, ibc_list);
- list_del(&conn->ibc_list);
+ if (!cfs_list_empty (&kiblnd_data.kib_connd_zombies)) {
+ conn = cfs_list_entry(kiblnd_data. \
+ kib_connd_zombies.next,
+ kib_conn_t, ibc_list);
+ cfs_list_del(&conn->ibc_list);
- spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock,
+ flags);
dropped_lock = 1;
kiblnd_destroy_conn(conn);
- spin_lock_irqsave (&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_lock_irqsave (&kiblnd_data.kib_connd_lock,
+ flags);
}
- if (!list_empty (&kiblnd_data.kib_connd_conns)) {
- conn = list_entry (kiblnd_data.kib_connd_conns.next,
- kib_conn_t, ibc_list);
- list_del(&conn->ibc_list);
+ if (!cfs_list_empty (&kiblnd_data.kib_connd_conns)) {
+ conn = cfs_list_entry (kiblnd_data.kib_connd_conns.next,
+ kib_conn_t, ibc_list);
+ cfs_list_del(&conn->ibc_list);
- spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock,
+ flags);
dropped_lock = 1;
kiblnd_disconnect_conn(conn);
kiblnd_conn_decref(conn);
- spin_lock_irqsave (&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_lock_irqsave (&kiblnd_data.kib_connd_lock,
+ flags);
}
/* careful with the jiffy wrap... */
const int p = 1;
int chunk = kiblnd_data.kib_peer_hash_size;
- spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);
dropped_lock = 1;
/* Time to check for RDMA timeouts on a few more
kiblnd_data.kib_peer_hash_size;
}
- deadline += p * HZ;
- spin_lock_irqsave(&kiblnd_data.kib_connd_lock, flags);
+ deadline += p * CFS_HZ;
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_connd_lock,
+ flags);
}
if (dropped_lock)
continue;
/* Nothing to do for 'timeout' */
- set_current_state (TASK_INTERRUPTIBLE);
- add_wait_queue (&kiblnd_data.kib_connd_waitq, &wait);
- spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock, flags);
+ cfs_set_current_state (CFS_TASK_INTERRUPTIBLE);
+ cfs_waitq_add (&kiblnd_data.kib_connd_waitq, &wait);
+ cfs_spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock, flags);
- schedule_timeout (timeout);
+ cfs_waitq_timedwait(&wait, CFS_TASK_INTERRUPTIBLE, timeout);
- set_current_state (TASK_RUNNING);
- remove_wait_queue (&kiblnd_data.kib_connd_waitq, &wait);
- spin_lock_irqsave (&kiblnd_data.kib_connd_lock, flags);
+ cfs_set_current_state (CFS_TASK_RUNNING);
+ cfs_waitq_del (&kiblnd_data.kib_connd_waitq, &wait);
+ cfs_spin_lock_irqsave (&kiblnd_data.kib_connd_lock, flags);
}
- spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock, flags);
+ cfs_spin_unlock_irqrestore (&kiblnd_data.kib_connd_lock, flags);
kiblnd_thread_fini();
return (0);
* and this CQ is about to be destroyed so I NOOP. */
kib_conn_t *conn = (kib_conn_t *)arg;
unsigned long flags;
-
+
LASSERT (cq == conn->ibc_cq);
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
conn->ibc_ready = 1;
conn->ibc_nsends_posted > 0)) {
kiblnd_conn_addref(conn); /* +1 ref for sched_conns */
conn->ibc_scheduled = 1;
- list_add_tail(&conn->ibc_sched_list,
- &kiblnd_data.kib_sched_conns);
- wake_up(&kiblnd_data.kib_sched_waitq);
+ cfs_list_add_tail(&conn->ibc_sched_list,
+ &kiblnd_data.kib_sched_conns);
+ cfs_waitq_signal(&kiblnd_data.kib_sched_waitq);
}
- spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
}
void
kiblnd_scheduler(void *arg)
{
long id = (long)arg;
- wait_queue_t wait;
+ cfs_waitlink_t wait;
char name[16];
unsigned long flags;
kib_conn_t *conn;
cfs_daemonize(name);
cfs_block_allsigs();
- init_waitqueue_entry(&wait, current);
+ cfs_waitlink_init(&wait);
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
while (!kiblnd_data.kib_shutdown) {
if (busy_loops++ >= IBLND_RESCHED) {
- spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock,
- flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock,
+ flags);
- our_cond_resched();
+ cfs_cond_resched();
busy_loops = 0;
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_sched_lock,
+ flags);
}
did_something = 0;
- if (!list_empty(&kiblnd_data.kib_sched_conns)) {
- conn = list_entry(kiblnd_data.kib_sched_conns.next,
- kib_conn_t, ibc_sched_list);
+ if (!cfs_list_empty(&kiblnd_data.kib_sched_conns)) {
+ conn = cfs_list_entry(kiblnd_data.kib_sched_conns.next,
+ kib_conn_t, ibc_sched_list);
/* take over kib_sched_conns' ref on conn... */
LASSERT(conn->ibc_scheduled);
- list_del(&conn->ibc_sched_list);
+ cfs_list_del(&conn->ibc_sched_list);
conn->ibc_ready = 0;
- spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock,
- flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock,
+ flags);
rc = ib_poll_cq(conn->ibc_cq, 1, &wc);
if (rc == 0) {
libcfs_nid2str(conn->ibc_peer->ibp_nid), rc);
kiblnd_close_conn(conn, -EIO);
kiblnd_conn_decref(conn);
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data. \
+ kib_sched_lock,
+ flags);
continue;
}
if (rc < 0) {
CWARN("%s: ib_poll_cq failed: %d, "
"closing connection\n",
- libcfs_nid2str(conn->ibc_peer->ibp_nid), rc);
+ libcfs_nid2str(conn->ibc_peer->ibp_nid),
+ rc);
kiblnd_close_conn(conn, -EIO);
kiblnd_conn_decref(conn);
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_lock_irqsave(&kiblnd_data. \
+ kib_sched_lock, flags);
continue;
}
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock,
- flags);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_sched_lock,
+ flags);
if (rc != 0 || conn->ibc_ready) {
/* There may be another completion waiting; get
* another scheduler to check while I handle
* this one... */
kiblnd_conn_addref(conn); /* +1 ref for sched_conns */
- list_add_tail(&conn->ibc_sched_list,
- &kiblnd_data.kib_sched_conns);
- wake_up(&kiblnd_data.kib_sched_waitq);
+ cfs_list_add_tail(&conn->ibc_sched_list,
+ &kiblnd_data.kib_sched_conns);
+ cfs_waitq_signal(&kiblnd_data.kib_sched_waitq);
} else {
conn->ibc_scheduled = 0;
}
-
+
if (rc != 0) {
- spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock,
- flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data. \
+ kib_sched_lock,
+ flags);
kiblnd_complete(&wc);
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock,
- flags);
+ cfs_spin_lock_irqsave(&kiblnd_data. \
+ kib_sched_lock,
+ flags);
}
kiblnd_conn_decref(conn); /* ...drop my ref from above */
if (did_something)
continue;
- set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue_exclusive(&kiblnd_data.kib_sched_waitq, &wait);
- spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
+ cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
+ cfs_waitq_add_exclusive(&kiblnd_data.kib_sched_waitq, &wait);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
- schedule();
+ cfs_waitq_wait(&wait, CFS_TASK_INTERRUPTIBLE);
busy_loops = 0;
- remove_wait_queue(&kiblnd_data.kib_sched_waitq, &wait);
- set_current_state(TASK_RUNNING);
- spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
+ cfs_waitq_del(&kiblnd_data.kib_sched_waitq, &wait);
+ cfs_set_current_state(CFS_TASK_RUNNING);
+ cfs_spin_lock_irqsave(&kiblnd_data.kib_sched_lock, flags);
}
- spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
+ cfs_spin_unlock_irqrestore(&kiblnd_data.kib_sched_lock, flags);
kiblnd_thread_fini();
return (0);