[PATCH 12/13] staging: lustre: lnet: socklnd: checkpatch.pl cleanups

Mike Shuey
2015-05-21T19:52:33Z

More checkpatch.pl warnings & code cleanup.

Signed-off-by: Mike Shuey <shuey@purdue.edu>
---
.../staging/lustre/lnet/klnds/socklnd/socklnd.c | 94 +++--
.../staging/lustre/lnet/klnds/socklnd/socklnd.h | 20 +-
.../staging/lustre/lnet/klnds/socklnd/socklnd_cb.c | 419 +++++++++++---------
.../lustre/lnet/klnds/socklnd/socklnd_lib-linux.c | 24 +-
.../lustre/lnet/klnds/socklnd/socklnd_lib-linux.h | 2 +-
.../lustre/lnet/klnds/socklnd/socklnd_proto.c | 48 ++-
6 files changed, 351 insertions(+), 256 deletions(-)

diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
index 7b5d407..286ef3f 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c
@@ -337,7 +337,8 @@ ksocknal_associate_route_conn_locked(ksock_route_t *route, ksock_conn_t *conn)
&route->ksnr_ipaddr,
&conn->ksnc_myipaddr);
} else {
- CDEBUG(D_NET, "Rebinding %s %pI4h from %pI4h to %pI4h\n",
+ CDEBUG(D_NET,
+ "Rebinding %s %pI4h from %pI4h to %pI4h\n",
libcfs_id2str(peer->ksnp_id),
&route->ksnr_ipaddr,
&route->ksnr_myipaddr,
@@ -576,7 +577,8 @@ ksocknal_del_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip)
write_lock_bh(&ksocknal_data.ksnd_global_lock);

if (id.nid != LNET_NID_ANY)
- lo = hi = (int)(ksocknal_nid2peerlist(id.nid) - ksocknal_data.ksnd_peers);
+ lo = hi = (int)(ksocknal_nid2peerlist(id.nid) -
+ ksocknal_data.ksnd_peers);
else {
lo = 0;
hi = ksocknal_data.ksnd_peer_hash_size - 1;
@@ -590,8 +592,10 @@ ksocknal_del_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip)
if (peer->ksnp_ni != ni)
continue;

- if (!((id.nid == LNET_NID_ANY || peer->ksnp_id.nid == id.nid) &&
- (id.pid == LNET_PID_ANY || peer->ksnp_id.pid == id.pid)))
+ if (!((id.nid == LNET_NID_ANY ||
+ peer->ksnp_id.nid == id.nid) &&
+ (id.pid == LNET_PID_ANY ||
+ peer->ksnp_id.pid == id.pid)))
continue;

ksocknal_peer_addref(peer); /* a ref for me... */
@@ -805,12 +809,15 @@ ksocknal_select_ips(ksock_peer_t *peer, __u32 *peerips, int n_peerips)
if (peer->ksnp_passive_ips[k] == ip)
break;

- if (k < peer->ksnp_n_passive_ips) /* using it already */
+ /* using it already */
+ if (k < peer->ksnp_n_passive_ips)
continue;

- k = ksocknal_match_peerip(iface, peerips, n_peerips);
+ k = ksocknal_match_peerip(iface, peerips,
+ n_peerips);
xor = ip ^ peerips[k];
- this_netmatch = ((xor & iface->ksni_netmask) == 0) ? 1 : 0;
+ this_netmatch = ((xor & iface->ksni_netmask) ==
+ 0) ? 1 : 0;

if (!(best_iface == NULL ||
best_netmatch < this_netmatch ||
@@ -973,7 +980,8 @@ ksocknal_accept(lnet_ni_t *ni, struct socket *sock)

LIBCFS_ALLOC(cr, sizeof(*cr));
if (cr == NULL) {
- LCONSOLE_ERROR_MSG(0x12f, "Dropping connection request from %pI4h: memory exhausted\n",
+ LCONSOLE_ERROR_MSG(0x12f,
+ "Dropping connection request from %pI4h: memory exhausted\n",
&peer_ip);
return -ENOMEM;
}
@@ -1257,7 +1265,8 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
conn->ksnc_tx_last_post = cfs_time_current();
/* Set the deadline for the outgoing HELLO to drain */
conn->ksnc_tx_bufnob = sock->sk->sk_wmem_queued;
- conn->ksnc_tx_deadline = cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
+ conn->ksnc_tx_deadline =
+ cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
mb(); /* order with adding to peer's conn list */

list_add(&conn->ksnc_list, &peer->ksnp_conns);
@@ -1269,7 +1278,8 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,

/* Take packets blocking for this connection. */
list_for_each_entry_safe(tx, txtmp, &peer->ksnp_tx_queue, tx_list) {
- if (conn->ksnc_proto->pro_match_tx(conn, tx, tx->tx_nonblk) == SOCKNAL_MATCH_NO)
+ if (conn->ksnc_proto->pro_match_tx(conn, tx, tx->tx_nonblk) ==
+ SOCKNAL_MATCH_NO)
continue;

list_del(&tx->tx_list);
@@ -1286,7 +1296,8 @@ ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
* socket callbacks.
*/

- CDEBUG(D_NET, "New conn %s p %d.x %pI4h -> %pI4h/%d incarnation:%lld sched[%d:%d]\n",
+ CDEBUG(D_NET,
+ "New conn %s p %d.x %pI4h -> %pI4h/%d incarnation:%lld sched[%d:%d]\n",
libcfs_id2str(peerid), conn->ksnc_proto->pro_version,
&conn->ksnc_myipaddr, &conn->ksnc_ipaddr,
conn->ksnc_port, incarnation, cpt,
@@ -1457,8 +1468,8 @@ ksocknal_close_conn_locked(ksock_conn_t *conn, int error)
spin_unlock_bh(&conn->ksnc_scheduler->kss_lock);
}

- peer->ksnp_proto = NULL; /* renegotiate protocol version */
- peer->ksnp_error = error; /* stash last conn close reason */
+ peer->ksnp_proto = NULL; /* renegotiate protocol version */
+ peer->ksnp_error = error; /* stash last conn close reason */

if (list_empty(&peer->ksnp_routes)) {
/* I've just closed last conn belonging to a
@@ -1635,7 +1646,8 @@ ksocknal_destroy_conn(ksock_conn_t *conn)
case SOCKNAL_RX_LNET_PAYLOAD:
last_rcv = conn->ksnc_rx_deadline -
cfs_time_seconds(*ksocknal_tunables.ksnd_timeout);
- CERROR("Completing partial receive from %s[%d], ip %pI4h:%d, with error, wanted: %d, left: %d, last alive is %ld secs ago\n",
+ CERROR(
+ "Completing partial receive from %s[%d], ip %pI4h:%d, with error, wanted: %d, left: %d, last alive is %ld secs ago\n",
libcfs_id2str(conn->ksnc_peer->ksnp_id), conn->ksnc_type,
&conn->ksnc_ipaddr, conn->ksnc_port,
conn->ksnc_rx_nob_wanted, conn->ksnc_rx_nob_left,
@@ -1646,21 +1658,24 @@ ksocknal_destroy_conn(ksock_conn_t *conn)
break;
case SOCKNAL_RX_LNET_HEADER:
if (conn->ksnc_rx_started)
- CERROR("Incomplete receive of lnet header from %s, ip %pI4h:%d, with error, protocol: %d.x.\n",
+ CERROR(
+ "Incomplete receive of lnet header from %s, ip %pI4h:%d, with error, protocol: %d.x.\n",
libcfs_id2str(conn->ksnc_peer->ksnp_id),
&conn->ksnc_ipaddr, conn->ksnc_port,
conn->ksnc_proto->pro_version);
break;
case SOCKNAL_RX_KSM_HEADER:
if (conn->ksnc_rx_started)
- CERROR("Incomplete receive of ksock message from %s, ip %pI4h:%d, with error, protocol: %d.x.\n",
+ CERROR(
+ "Incomplete receive of ksock message from %s, ip %pI4h:%d, with error, protocol: %d.x.\n",
libcfs_id2str(conn->ksnc_peer->ksnp_id),
&conn->ksnc_ipaddr, conn->ksnc_port,
conn->ksnc_proto->pro_version);
break;
case SOCKNAL_RX_SLOP:
if (conn->ksnc_rx_started)
- CERROR("Incomplete receive of slops from %s, ip %pI4h:%d, with error\n",
+ CERROR(
+ "Incomplete receive of slops from %s, ip %pI4h:%d, with error\n",
libcfs_id2str(conn->ksnc_peer->ksnp_id),
&conn->ksnc_ipaddr, conn->ksnc_port);
break;
@@ -1725,7 +1740,8 @@ ksocknal_close_matching_conns(lnet_process_id_t id, __u32 ipaddr)
write_lock_bh(&ksocknal_data.ksnd_global_lock);

if (id.nid != LNET_NID_ANY)
- lo = hi = (int)(ksocknal_nid2peerlist(id.nid) - ksocknal_data.ksnd_peers);
+ lo = hi = (int)(ksocknal_nid2peerlist(id.nid) -
+ ksocknal_data.ksnd_peers);
else {
lo = 0;
hi = ksocknal_data.ksnd_peer_hash_size - 1;
@@ -1737,11 +1753,14 @@ ksocknal_close_matching_conns(lnet_process_id_t id, __u32 ipaddr)

peer = list_entry(ptmp, ksock_peer_t, ksnp_list);

- if (!((id.nid == LNET_NID_ANY || id.nid == peer->ksnp_id.nid) &&
- (id.pid == LNET_PID_ANY || id.pid == peer->ksnp_id.pid)))
+ if (!((id.nid == LNET_NID_ANY ||
+ id.nid == peer->ksnp_id.nid) &&
+ (id.pid == LNET_PID_ANY ||
+ id.pid == peer->ksnp_id.pid)))
continue;

- count += ksocknal_close_peer_conns_locked(peer, ipaddr, 0);
+ count += ksocknal_close_peer_conns_locked(peer,
+ ipaddr, 0);
}
}

@@ -1805,7 +1824,8 @@ ksocknal_query(lnet_ni_t *ni, lnet_nid_t nid, unsigned long *when)
if (bufnob < conn->ksnc_tx_bufnob) {
/* something got ACKed */
conn->ksnc_tx_deadline =
- cfs_time_shift(*ksocknal_tunables.ksnd_timeout);
+ cfs_time_shift(
+ *ksocknal_tunables.ksnd_timeout);
peer->ksnp_last_alive = now;
conn->ksnc_tx_bufnob = bufnob;
}
@@ -1838,7 +1858,6 @@ ksocknal_query(lnet_ni_t *ni, lnet_nid_t nid, unsigned long *when)
ksocknal_launch_all_connections_locked(peer);

write_unlock_bh(glock);
- return;
}

static void
@@ -1962,7 +1981,8 @@ ksocknal_add_interface(lnet_ni_t *ni, __u32 ipaddress, __u32 netmask)
ksnp_list);

for (j = 0; j < peer->ksnp_n_passive_ips; j++)
- if (peer->ksnp_passive_ips[j] == ipaddress)
+ if (peer->ksnp_passive_ips[j] ==
+ ipaddress)
iface->ksni_npeers++;

list_for_each(rtmp, &peer->ksnp_routes) {
@@ -1977,7 +1997,8 @@ ksocknal_add_interface(lnet_ni_t *ni, __u32 ipaddress, __u32 netmask)
}

rc = 0;
- /* NB only new connections will pay attention to the new interface! */
+ /* NB only new connections will pay attention to the new
+ * interface! */
}

write_unlock_bh(&ksocknal_data.ksnd_global_lock);
@@ -2064,7 +2085,8 @@ ksocknal_del_interface(lnet_ni_t *ni, __u32 ipaddress)
if (peer->ksnp_ni != ni)
continue;

- ksocknal_peer_del_interface_locked(peer, this_ip);
+ ksocknal_peer_del_interface_locked(peer,
+ this_ip);
}
}
}
@@ -2111,7 +2133,7 @@ ksocknal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)

case IOC_LIBCFS_DEL_INTERFACE:
return ksocknal_del_interface(ni,
- data->ioc_u32[0]); /* IP address */
+ data->ioc_u32[0]);/* IP address */

case IOC_LIBCFS_GET_PEER: {
__u32 myip = 0;
@@ -2153,7 +2175,8 @@ ksocknal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)
int txmem;
int rxmem;
int nagle;
- ksock_conn_t *conn = ksocknal_get_conn_by_idx(ni, data->ioc_count);
+ ksock_conn_t *conn = ksocknal_get_conn_by_idx(ni,
+ data->ioc_count);

if (conn == NULL)
return -ENOENT;
@@ -2263,9 +2286,8 @@ ksocknal_base_shutdown(void)
case SOCKNAL_INIT_ALL:
case SOCKNAL_INIT_DATA:
LASSERT(ksocknal_data.ksnd_peers != NULL);
- for (i = 0; i < ksocknal_data.ksnd_peer_hash_size; i++) {
+ for (i = 0; i < ksocknal_data.ksnd_peer_hash_size; i++)
LASSERT(list_empty(&ksocknal_data.ksnd_peers[i]));
- }

LASSERT(list_empty(&ksocknal_data.ksnd_nets));
LASSERT(list_empty(&ksocknal_data.ksnd_enomem_conns));
@@ -2315,7 +2337,8 @@ ksocknal_base_shutdown(void)
read_lock(&ksocknal_data.ksnd_global_lock);
while (ksocknal_data.ksnd_nthreads != 0) {
i++;
- CDEBUG(((i & (-i)) == i) ? D_WARNING : D_NET, /* power of 2? */
+ /* power of 2? */
+ CDEBUG(((i & (-i)) == i) ? D_WARNING : D_NET,
"waiting for %d threads to terminate\n",
ksocknal_data.ksnd_nthreads);
read_unlock(&ksocknal_data.ksnd_global_lock);
@@ -2446,6 +2469,7 @@ ksocknal_base_startup(void)

for (i = 0; i < *ksocknal_tunables.ksnd_nconnds; i++) {
char name[16];
+
spin_lock_bh(&ksocknal_data.ksnd_connd_lock);
ksocknal_data.ksnd_connd_starting++;
spin_unlock_bh(&ksocknal_data.ksnd_connd_lock);
@@ -2503,7 +2527,8 @@ ksocknal_debug_peerhash(lnet_ni_t *ni)
ksock_route_t *route;
ksock_conn_t *conn;

- CWARN("Active peer on shutdown: %s, ref %d, scnt %d, closing %d, accepting %d, err %d, zcookie %llu, txq %d, zc_req %d\n",
+ CWARN(
+ "Active peer on shutdown: %s, ref %d, scnt %d, closing %d, accepting %d, err %d, zcookie %llu, txq %d, zc_req %d\n",
libcfs_id2str(peer->ksnp_id),
atomic_read(&peer->ksnp_refcount),
peer->ksnp_sharecount, peer->ksnp_closing,
@@ -2514,7 +2539,8 @@ ksocknal_debug_peerhash(lnet_ni_t *ni)

list_for_each(tmp, &peer->ksnp_routes) {
route = list_entry(tmp, ksock_route_t, ksnr_list);
- CWARN("Route: ref %d, schd %d, conn %d, cnted %d, del %d\n",
+ CWARN(
+ "Route: ref %d, schd %d, conn %d, cnted %d, del %d\n",
atomic_read(&route->ksnr_refcount),
route->ksnr_scheduled, route->ksnr_connecting,
route->ksnr_connected, route->ksnr_deleted);
@@ -2530,7 +2556,6 @@ ksocknal_debug_peerhash(lnet_ni_t *ni)
}

read_unlock(&ksocknal_data.ksnd_global_lock);
- return;
}

void
@@ -2711,6 +2736,7 @@ ksocknal_start_schedulers(struct ksock_sched_info *info)
long id;
char name[20];
ksock_sched_t *sched;
+
id = KSOCK_THREAD_ID(info->ksi_cpt, info->ksi_nthreads + i);
sched = &info->ksi_scheds[KSOCK_THREAD_SID(id)];
snprintf(name, sizeof(name), "socknal_sd%02d_%02d",
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
index c34378c..d270263 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h
@@ -139,7 +139,7 @@ typedef struct {
typedef struct {
__u64 ksnn_incarnation; /* my epoch */
spinlock_t ksnn_lock; /* serialise */
- struct list_head ksnn_list; /* chain on global list */
+ struct list_head ksnn_list; /* chain on global list */
int ksnn_npeers; /* # peers */
int ksnn_shutdown; /* shutting down? */
int ksnn_ninterfaces; /* IP interfaces */
@@ -474,7 +474,8 @@ ksocknal_route_mask(void)
static inline struct list_head *
ksocknal_nid2peerlist(lnet_nid_t nid)
{
- unsigned int hash = ((unsigned int)nid) % ksocknal_data.ksnd_peer_hash_size;
+ unsigned int hash = ((unsigned int)nid) %
+ ksocknal_data.ksnd_peer_hash_size;

return &ksocknal_data.ksnd_peers[hash];
}
@@ -587,8 +588,10 @@ int ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
unsigned int offset, unsigned int mlen, unsigned int rlen);
int ksocknal_accept(lnet_ni_t *ni, struct socket *sock);

-extern int ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip, int port);
-extern ksock_peer_t *ksocknal_find_peer_locked(lnet_ni_t *ni, lnet_process_id_t id);
+extern int ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip,
+ int port);
+extern ksock_peer_t *ksocknal_find_peer_locked(lnet_ni_t *ni,
+ lnet_process_id_t id);
extern ksock_peer_t *ksocknal_find_peer(lnet_ni_t *ni, lnet_process_id_t id);
extern void ksocknal_peer_failed(ksock_peer_t *peer);
extern int ksocknal_create_conn(lnet_ni_t *ni, ksock_route_t *route,
@@ -613,11 +616,13 @@ extern void ksocknal_queue_tx_locked(ksock_tx_t *tx, ksock_conn_t *conn);
extern void ksocknal_txlist_done(lnet_ni_t *ni, struct list_head *txlist,
int error);
extern void ksocknal_notify(lnet_ni_t *ni, lnet_nid_t gw_nid, int alive);
-extern void ksocknal_query(struct lnet_ni *ni, lnet_nid_t nid, unsigned long *when);
+extern void ksocknal_query(struct lnet_ni *ni, lnet_nid_t nid,
+ unsigned long *when);
extern int ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name);
extern void ksocknal_thread_fini(void);
extern void ksocknal_launch_all_connections_locked(ksock_peer_t *peer);
-extern ksock_route_t *ksocknal_find_connectable_route_locked(ksock_peer_t *peer);
+extern ksock_route_t *ksocknal_find_connectable_route_locked(ksock_peer_t
+ *peer);
extern ksock_route_t *ksocknal_find_connecting_route_locked(ksock_peer_t *peer);
extern int ksocknal_new_packet(ksock_conn_t *conn, int skip);
extern int ksocknal_scheduler(void *arg);
@@ -634,7 +639,8 @@ extern void ksocknal_write_callback(ksock_conn_t *conn);
extern int ksocknal_lib_zc_capable(ksock_conn_t *conn);
extern void ksocknal_lib_save_callback(struct socket *sock, ksock_conn_t *conn);
extern void ksocknal_lib_set_callback(struct socket *sock, ksock_conn_t *conn);
-extern void ksocknal_lib_reset_callback(struct socket *sock, ksock_conn_t *conn);
+extern void ksocknal_lib_reset_callback(struct socket *sock,
+ ksock_conn_t *conn);
extern void ksocknal_lib_push_conn(ksock_conn_t *conn);
extern int ksocknal_lib_get_conn_addrs(ksock_conn_t *conn);
extern int ksocknal_lib_setup_sock(struct socket *so);
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
index a1a4ac0..38c85ae 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c
@@ -38,8 +38,8 @@ ksocknal_alloc_tx(int type, int size)
spin_lock(&ksocknal_data.ksnd_tx_lock);

if (!list_empty(&ksocknal_data.ksnd_idle_noop_txs)) {
- tx = list_entry(ksocknal_data.ksnd_idle_noop_txs. \
- next, ksock_tx_t, tx_list);
+ tx = list_entry(ksocknal_data.ksnd_idle_noop_txs.next,
+ ksock_tx_t, tx_list);
LASSERT(tx->tx_desc_size == size);
list_del(&tx->tx_list);
}
@@ -91,7 +91,7 @@ ksocknal_alloc_tx_noop(__u64 cookie, int nonblk)

void
-ksocknal_free_tx (ksock_tx_t *tx)
+ksocknal_free_tx(ksock_tx_t *tx)
{
atomic_dec(&ksocknal_data.ksnd_nactive_txs);

@@ -108,7 +108,7 @@ ksocknal_free_tx (ksock_tx_t *tx)
}

static int
-ksocknal_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)
+ksocknal_send_iov(ksock_conn_t *conn, ksock_tx_t *tx)
{
struct kvec *iov = tx->tx_iov;
int nob;
@@ -123,7 +123,7 @@ ksocknal_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)
return rc;

nob = rc;
- LASSERT (nob <= tx->tx_resid);
+ LASSERT(nob <= tx->tx_resid);
tx->tx_resid -= nob;

/* "consume" iov */
@@ -145,7 +145,7 @@ ksocknal_send_iov (ksock_conn_t *conn, ksock_tx_t *tx)
}

static int
-ksocknal_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx)
+ksocknal_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx)
{
lnet_kiov_t *kiov = tx->tx_kiov;
int nob;
@@ -161,7 +161,7 @@ ksocknal_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx)
return rc;

nob = rc;
- LASSERT (nob <= tx->tx_resid);
+ LASSERT(nob <= tx->tx_resid);
tx->tx_resid -= nob;

/* "consume" kiov */
@@ -183,7 +183,7 @@ ksocknal_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx)
}

static int
-ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
+ksocknal_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
{
int rc;
int bufnob;
@@ -197,7 +197,7 @@ ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)

rc = ksocknal_connsock_addref(conn);
if (rc != 0) {
- LASSERT (conn->ksnc_closing);
+ LASSERT(conn->ksnc_closing);
return -ESHUTDOWN;
}

@@ -207,9 +207,9 @@ ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
ksocknal_data.ksnd_enomem_tx--;
rc = -EAGAIN;
} else if (tx->tx_niov != 0) {
- rc = ksocknal_send_iov (conn, tx);
+ rc = ksocknal_send_iov(conn, tx);
} else {
- rc = ksocknal_send_kiov (conn, tx);
+ rc = ksocknal_send_kiov(conn, tx);
}

bufnob = conn->ksnc_sock->sk->sk_wmem_queued;
@@ -228,7 +228,8 @@ ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)

if (rc <= 0) { /* Didn't write anything? */

- if (rc == 0) /* some stacks return 0 instead of -EAGAIN */
+ /* some stacks return 0 instead of -EAGAIN */
+ if (rc == 0)
rc = -EAGAIN;

/* Check if EAGAIN is due to memory pressure */
@@ -239,7 +240,7 @@ ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
}

/* socket's wmem_queued now includes 'rc' bytes */
- atomic_sub (rc, &conn->ksnc_tx_nob);
+ atomic_sub(rc, &conn->ksnc_tx_nob);
rc = 0;

} while (tx->tx_resid != 0);
@@ -249,7 +250,7 @@ ksocknal_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
}

static int
-ksocknal_recv_iov (ksock_conn_t *conn)
+ksocknal_recv_iov(ksock_conn_t *conn)
{
struct kvec *iov = conn->ksnc_rx_iov;
int nob;
@@ -294,11 +295,12 @@ ksocknal_recv_iov (ksock_conn_t *conn)
}

static int
-ksocknal_recv_kiov (ksock_conn_t *conn)
+ksocknal_recv_kiov(ksock_conn_t *conn)
{
lnet_kiov_t *kiov = conn->ksnc_rx_kiov;
int nob;
int rc;
+
LASSERT(conn->ksnc_rx_nkiov > 0);

/* Never touch conn->ksnc_rx_kiov or change connection
@@ -338,7 +340,7 @@ ksocknal_recv_kiov (ksock_conn_t *conn)
}

static int
-ksocknal_receive (ksock_conn_t *conn)
+ksocknal_receive(ksock_conn_t *conn)
{
/* Return 1 on success, 0 on EOF, < 0 on error.
* Caller checks ksnc_rx_nob_wanted to determine
@@ -352,15 +354,15 @@ ksocknal_receive (ksock_conn_t *conn)

rc = ksocknal_connsock_addref(conn);
if (rc != 0) {
- LASSERT (conn->ksnc_closing);
+ LASSERT(conn->ksnc_closing);
return -ESHUTDOWN;
}

for (;;) {
if (conn->ksnc_rx_niov != 0)
- rc = ksocknal_recv_iov (conn);
+ rc = ksocknal_recv_iov(conn);
else
- rc = ksocknal_recv_kiov (conn);
+ rc = ksocknal_recv_kiov(conn);

if (rc <= 0) {
/* error/EOF or partial receive */
@@ -386,7 +388,7 @@ ksocknal_receive (ksock_conn_t *conn)
}

void
-ksocknal_tx_done (lnet_ni_t *ni, ksock_tx_t *tx)
+ksocknal_tx_done(lnet_ni_t *ni, ksock_tx_t *tx)
{
lnet_msg_t *lnetmsg = tx->tx_lnetmsg;
int rc = (tx->tx_resid == 0 && !tx->tx_zc_aborted) ? 0 : -EIO;
@@ -399,25 +401,30 @@ ksocknal_tx_done (lnet_ni_t *ni, ksock_tx_t *tx)
if (ni == NULL && tx->tx_conn != NULL)
ni = tx->tx_conn->ksnc_peer->ksnp_ni;

- ksocknal_free_tx (tx);
+ ksocknal_free_tx(tx);
if (lnetmsg != NULL) /* KSOCK_MSG_NOOP go without lnetmsg */
- lnet_finalize (ni, lnetmsg, rc);
+ lnet_finalize(ni, lnetmsg, rc);
}

void
-ksocknal_txlist_done (lnet_ni_t *ni, struct list_head *txlist, int error)
+ksocknal_txlist_done(lnet_ni_t *ni, struct list_head *txlist, int error)
{
ksock_tx_t *tx;

- while (!list_empty (txlist)) {
+ 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)));
+ 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");
}
@@ -500,20 +507,20 @@ ksocknal_uncheck_zc_req(ksock_tx_t *tx)
}

static int
-ksocknal_process_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
+ksocknal_process_transmit(ksock_conn_t *conn, ksock_tx_t *tx)
{
int rc;

if (tx->tx_zc_capable && !tx->tx_zc_checked)
ksocknal_check_zc_req(tx);

- rc = ksocknal_transmit (conn, tx);
+ rc = ksocknal_transmit(conn, tx);

CDEBUG(D_NET, "send(%d) %d\n", tx->tx_resid, rc);

if (tx->tx_resid == 0) {
/* Sent everything OK */
- LASSERT (rc == 0);
+ LASSERT(rc == 0);

return 0;
}
@@ -533,13 +540,13 @@ ksocknal_process_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
spin_lock_bh(&ksocknal_data.ksnd_reaper_lock);

/* enomem list takes over scheduler's ref... */
- LASSERT (conn->ksnc_tx_scheduled);
+ LASSERT(conn->ksnc_tx_scheduled);
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),
ksocknal_data.ksnd_reaper_waketime))
- wake_up (&ksocknal_data.ksnd_reaper_waitq);
+ wake_up(&ksocknal_data.ksnd_reaper_waitq);

spin_unlock_bh(&ksocknal_data.ksnd_reaper_lock);
return rc;
@@ -551,11 +558,13 @@ ksocknal_process_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
if (!conn->ksnc_closing) {
switch (rc) {
case -ECONNRESET:
- LCONSOLE_WARN("Host %pI4h reset our connection while we were sending data; it may have rebooted.\n",
+ LCONSOLE_WARN(
+ "Host %pI4h reset our connection while we were sending data; it may have rebooted.\n",
&conn->ksnc_ipaddr);
break;
default:
- LCONSOLE_WARN("There was an unexpected network error while writing to %pI4h: %d.\n",
+ LCONSOLE_WARN(
+ "There was an unexpected network error while writing to %pI4h: %d.\n",
&conn->ksnc_ipaddr, rc);
break;
}
@@ -570,14 +579,14 @@ ksocknal_process_transmit (ksock_conn_t *conn, ksock_tx_t *tx)
ksocknal_uncheck_zc_req(tx);

/* it's not an error if conn is being closed */
- ksocknal_close_conn_and_siblings (conn,
- (conn->ksnc_closing) ? 0 : rc);
+ ksocknal_close_conn_and_siblings(conn,
+ (conn->ksnc_closing) ? 0 : rc);

return rc;
}

static void
-ksocknal_launch_connection_locked (ksock_route_t *route)
+ksocknal_launch_connection_locked(ksock_route_t *route)
{

/* called holding write lock on ksnd_global_lock */
@@ -599,7 +608,7 @@ ksocknal_launch_connection_locked (ksock_route_t *route)
}

void
-ksocknal_launch_all_connections_locked (ksock_peer_t *peer)
+ksocknal_launch_all_connections_locked(ksock_peer_t *peer)
{
ksock_route_t *route;

@@ -624,10 +633,10 @@ ksocknal_find_conn_locked(ksock_peer_t *peer, ksock_tx_t *tx, int nonblk)
int tnob = 0;
int fnob = 0;

- list_for_each (tmp, &peer->ksnp_conns) {
+ list_for_each(tmp, &peer->ksnp_conns) {
ksock_conn_t *c = list_entry(tmp, ksock_conn_t, ksnc_list);
int nob = atomic_read(&c->ksnc_tx_nob) +
- c->ksnc_sock->sk->sk_wmem_queued;
+ c->ksnc_sock->sk->sk_wmem_queued;
int rc;

LASSERT(!c->ksnc_closing);
@@ -644,8 +653,10 @@ ksocknal_find_conn_locked(ksock_peer_t *peer, ksock_tx_t *tx, int nonblk)

case SOCKNAL_MATCH_YES: /* typed connection */
if (typed == NULL || tnob > nob ||
- (tnob == nob && *ksocknal_tunables.ksnd_round_robin &&
- cfs_time_after(typed->ksnc_tx_last_post, c->ksnc_tx_last_post))) {
+ (tnob == nob &&
+ *ksocknal_tunables.ksnd_round_robin &&
+ cfs_time_after(typed->ksnc_tx_last_post,
+ c->ksnc_tx_last_post))) {
typed = c;
tnob = nob;
}
@@ -653,8 +664,10 @@ ksocknal_find_conn_locked(ksock_peer_t *peer, ksock_tx_t *tx, int nonblk)

case SOCKNAL_MATCH_MAY: /* fallback connection */
if (fallback == NULL || fnob > nob ||
- (fnob == nob && *ksocknal_tunables.ksnd_round_robin &&
- cfs_time_after(fallback->ksnc_tx_last_post, c->ksnc_tx_last_post))) {
+ (fnob == nob &&
+ *ksocknal_tunables.ksnd_round_robin &&
+ cfs_time_after(fallback->ksnc_tx_last_post,
+ c->ksnc_tx_last_post))) {
fallback = c;
fnob = nob;
}
@@ -676,13 +689,13 @@ ksocknal_tx_prep(ksock_conn_t *conn, ksock_tx_t *tx)
{
conn->ksnc_proto->pro_pack(tx);

- atomic_add (tx->tx_nob, &conn->ksnc_tx_nob);
+ atomic_add(tx->tx_nob, &conn->ksnc_tx_nob);
ksocknal_conn_addref(conn); /* +1 ref for tx */
tx->tx_conn = conn;
}

void
-ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn)
+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;
@@ -708,14 +721,14 @@ ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn)
*
* We always expect at least 1 mapped fragment containing the
* complete ksocknal message header. */
- LASSERT(lnet_iov_nob (tx->tx_niov, tx->tx_iov) +
+ LASSERT(lnet_iov_nob(tx->tx_niov, tx->tx_iov) +
lnet_kiov_nob(tx->tx_nkiov, tx->tx_kiov) ==
(unsigned int)tx->tx_nob);
LASSERT(tx->tx_niov >= 1);
LASSERT(tx->tx_resid == tx->tx_nob);

- CDEBUG (D_NET, "Packet %p type %d, nob %d niov %d nkiov %d\n",
- tx, (tx->tx_lnetmsg != NULL) ? tx->tx_lnetmsg->msg_hdr.type:
+ CDEBUG(D_NET, "Packet %p type %d, nob %d niov %d nkiov %d\n",
+ tx, (tx->tx_lnetmsg != NULL) ? tx->tx_lnetmsg->msg_hdr.type :
KSOCK_MSG_NOOP,
tx->tx_nob, tx->tx_niov, tx->tx_nkiov);

@@ -743,7 +756,8 @@ ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn)
LASSERT(conn->ksnc_proto->pro_queue_tx_zcack != NULL);

if (conn->ksnc_proto->pro_queue_tx_zcack(conn, tx, 0))
- ztx = tx; /* ZC ACK piggybacked on ztx release tx later */
+ ztx = tx; /* ZC ACK piggybacked on ztx release
+ * tx later */

} else {
/* It's a normal packet - can it piggback a noop zc-ack that
@@ -756,7 +770,7 @@ ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn)
}

if (ztx != NULL) {
- atomic_sub (ztx->tx_nob, &conn->ksnc_tx_nob);
+ atomic_sub(ztx->tx_nob, &conn->ksnc_tx_nob);
list_add_tail(&ztx->tx_list, &sched->kss_zombie_noop_txs);
}

@@ -764,10 +778,10 @@ ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn)
!conn->ksnc_tx_scheduled) { /* not scheduled to send */
/* +1 ref for scheduler */
ksocknal_conn_addref(conn);
- 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);
+ wake_up(&sched->kss_waitq);
}

spin_unlock_bh(&sched->kss_lock);
@@ -775,18 +789,18 @@ ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn)

ksock_route_t *
-ksocknal_find_connectable_route_locked (ksock_peer_t *peer)
+ksocknal_find_connectable_route_locked(ksock_peer_t *peer)
{
unsigned long now = cfs_time_current();
struct list_head *tmp;
ksock_route_t *route;

- list_for_each (tmp, &peer->ksnp_routes) {
- route = list_entry (tmp, ksock_route_t, ksnr_list);
+ list_for_each(tmp, &peer->ksnp_routes) {
+ route = list_entry(tmp, ksock_route_t, ksnr_list);

LASSERT(!route->ksnr_connecting || route->ksnr_scheduled);

- if (route->ksnr_scheduled) /* connections being established */
+ if (route->ksnr_scheduled) /* connections being established */
continue;

/* all route types connected ? */
@@ -811,13 +825,13 @@ ksocknal_find_connectable_route_locked (ksock_peer_t *peer)
}

ksock_route_t *
-ksocknal_find_connecting_route_locked (ksock_peer_t *peer)
+ksocknal_find_connecting_route_locked(ksock_peer_t *peer)
{
struct list_head *tmp;
ksock_route_t *route;

- list_for_each (tmp, &peer->ksnp_routes) {
- route = list_entry (tmp, ksock_route_t, ksnr_list);
+ list_for_each(tmp, &peer->ksnp_routes) {
+ route = list_entry(tmp, ksock_route_t, ksnr_list);

LASSERT(!route->ksnr_connecting || route->ksnr_scheduled);

@@ -829,7 +843,7 @@ ksocknal_find_connecting_route_locked (ksock_peer_t *peer)
}

int
-ksocknal_launch_packet (lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
+ksocknal_launch_packet(lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
{
ksock_peer_t *peer;
ksock_conn_t *conn;
@@ -845,13 +859,15 @@ ksocknal_launch_packet (lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
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);
+ if (ksocknal_find_connectable_route_locked(peer) ==
+ NULL) {
+ conn = ksocknal_find_conn_locked(peer, tx,
+ tx->tx_nonblk);
if (conn != NULL) {
/* I've got no routes that need to be
* connecting and I do have an actual
* connection... */
- ksocknal_queue_tx_locked (tx, conn);
+ ksocknal_queue_tx_locked(tx, conn);
read_unlock(g_lock);
return 0;
}
@@ -870,7 +886,8 @@ ksocknal_launch_packet (lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
write_unlock_bh(g_lock);

if ((id.pid & LNET_PID_USERFLAG) != 0) {
- CERROR("Refusing to create a connection to userspace process %s\n",
+ CERROR(
+ "Refusing to create a connection to userspace process %s\n",
libcfs_id2str(id));
return -EHOSTUNREACH;
}
@@ -895,19 +912,19 @@ ksocknal_launch_packet (lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id)
conn = ksocknal_find_conn_locked(peer, tx, tx->tx_nonblk);
if (conn != NULL) {
/* Connection exists; queue message on it */
- ksocknal_queue_tx_locked (tx, conn);
+ ksocknal_queue_tx_locked(tx, conn);
write_unlock_bh(g_lock);
return 0;
}

if (peer->ksnp_accepting > 0 ||
- ksocknal_find_connecting_route_locked (peer) != NULL) {
+ ksocknal_find_connecting_route_locked(peer) != NULL) {
/* the message is going to be pinned to the peer */
tx->tx_deadline =
cfs_time_shift(*ksocknal_tunables.ksnd_timeout);

/* Queue the message until a connection is established */
- list_add_tail (&tx->tx_list, &peer->ksnp_tx_queue);
+ list_add_tail(&tx->tx_list, &peer->ksnp_tx_queue);
write_unlock_bh(g_lock);
return 0;
}
@@ -943,8 +960,8 @@ ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
LASSERT(payload_nob == 0 || payload_niov > 0);
LASSERT(payload_niov <= LNET_MAX_IOV);
/* payload is either all vaddrs or all pages */
- LASSERT (!(payload_kiov != NULL && payload_iov != NULL));
- LASSERT (!in_interrupt ());
+ LASSERT(!(payload_kiov != NULL && payload_iov != NULL));
+ LASSERT(!in_interrupt());

if (payload_iov != NULL)
desc_size = offsetof(ksock_tx_t,
@@ -1016,7 +1033,7 @@ ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name)
}

void
-ksocknal_thread_fini (void)
+ksocknal_thread_fini(void)
{
write_lock_bh(&ksocknal_data.ksnd_global_lock);
ksocknal_data.ksnd_nthreads--;
@@ -1024,7 +1041,7 @@ ksocknal_thread_fini (void)
}

int
-ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)
+ksocknal_new_packet(ksock_conn_t *conn, int nob_to_skip)
{
static char ksocknal_slop_buffer[4096];

@@ -1047,12 +1064,14 @@ ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)
case KSOCK_PROTO_V2:
case KSOCK_PROTO_V3:
conn->ksnc_rx_state = SOCKNAL_RX_KSM_HEADER;
- conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
+ conn->ksnc_rx_iov =
+ (struct kvec *)&conn->ksnc_rx_iov_space;
conn->ksnc_rx_iov[0].iov_base = &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_iov[0].iov_len =
+ offsetof(ksock_msg_t, ksm_u);
break;

case KSOCK_PROTO_V1:
@@ -1061,13 +1080,15 @@ ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)
conn->ksnc_rx_nob_wanted = sizeof(lnet_hdr_t);
conn->ksnc_rx_nob_left = sizeof(lnet_hdr_t);

- conn->ksnc_rx_iov = (struct kvec *)&conn->ksnc_rx_iov_space;
- conn->ksnc_rx_iov[0].iov_base = &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 =
+ &conn->ksnc_msg.ksm_u.lnetmsg;
+ conn->ksnc_rx_iov[0].iov_len = sizeof(lnet_hdr_t);
break;

default:
- LBUG ();
+ LBUG();
}
conn->ksnc_rx_niov = 1;

@@ -1093,10 +1114,10 @@ ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)
conn->ksnc_rx_iov[niov].iov_len = nob;
niov++;
skipped += nob;
- nob_to_skip -=nob;
+ 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 iovec));

conn->ksnc_rx_niov = niov;
conn->ksnc_rx_kiov = NULL;
@@ -1106,13 +1127,13 @@ ksocknal_new_packet (ksock_conn_t *conn, int nob_to_skip)
}

static int
-ksocknal_process_receive (ksock_conn_t *conn)
+ksocknal_process_receive(ksock_conn_t *conn)
{
lnet_hdr_t *lhdr;
lnet_process_id_t *id;
int rc;

- LASSERT (atomic_read(&conn->ksnc_conn_refcount) > 0);
+ LASSERT(atomic_read(&conn->ksnc_conn_refcount) > 0);

/* NB: sched lock NOT held */
/* SOCKNAL_RX_LNET_HEADER is here for backward compatibility */
@@ -1125,24 +1146,27 @@ ksocknal_process_receive (ksock_conn_t *conn)
rc = ksocknal_receive(conn);

if (rc <= 0) {
- LASSERT (rc != -EAGAIN);
+ LASSERT(rc != -EAGAIN);

if (rc == 0)
- CDEBUG(D_NET, "[%p] EOF from %s ip %pI4h:%d\n",
+ CDEBUG(D_NET,
+ "[%p] EOF from %s ip %pI4h:%d\n",
conn,
libcfs_id2str(conn->ksnc_peer->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",
+ CERROR(
+ "[%p] Error %d on read from %s ip %pI4h:%d\n",
conn, rc,
libcfs_id2str(conn->ksnc_peer->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_closing) ? 0 : rc);
+ ksocknal_close_conn_and_siblings(conn,
+ (conn->ksnc_closing) ?
+ 0 : rc);
return (rc == 0 ? -ESHUTDOWN : rc);
}

@@ -1185,18 +1209,20 @@ ksocknal_process_receive (ksock_conn_t *conn)
if (conn->ksnc_msg.ksm_zc_cookies[1] != 0) {
__u64 cookie = 0;

- LASSERT (conn->ksnc_proto != &ksocknal_protocol_v1x);
+ LASSERT(conn->ksnc_proto != &ksocknal_protocol_v1x);

if (conn->ksnc_msg.ksm_type == KSOCK_MSG_NOOP)
cookie = conn->ksnc_msg.ksm_zc_cookies[0];

rc = conn->ksnc_proto->pro_handle_zcack(conn, cookie,
- conn->ksnc_msg.ksm_zc_cookies[1]);
+ conn->ksnc_msg.ksm_zc_cookies[1]);

if (rc != 0) {
- CERROR("%s: Unknown ZC-ACK cookie: %llu, %llu\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]);
+ cookie,
+ conn->ksnc_msg.ksm_zc_cookies[1]);
ksocknal_new_packet(conn, 0);
ksocknal_close_conn_and_siblings(conn, -EPROTO);
return rc;
@@ -1204,7 +1230,7 @@ ksocknal_process_receive (ksock_conn_t *conn)
}

if (conn->ksnc_msg.ksm_type == KSOCK_MSG_NOOP) {
- ksocknal_new_packet (conn, 0);
+ ksocknal_new_packet(conn, 0);
return 0; /* NOOP is done and just return */
}

@@ -1245,14 +1271,14 @@ ksocknal_process_receive (ksock_conn_t *conn)
if (rc < 0) {
/* I just received garbage: give up on this conn */
ksocknal_new_packet(conn, 0);
- ksocknal_close_conn_and_siblings (conn, rc);
+ ksocknal_close_conn_and_siblings(conn, rc);
ksocknal_conn_decref(conn);
return -EPROTO;
}

/* I'm racing with ksocknal_recv() */
- LASSERT (conn->ksnc_rx_state == SOCKNAL_RX_PARSE ||
- conn->ksnc_rx_state == SOCKNAL_RX_LNET_PAYLOAD);
+ LASSERT(conn->ksnc_rx_state == SOCKNAL_RX_PARSE ||
+ conn->ksnc_rx_state == SOCKNAL_RX_LNET_PAYLOAD);

if (conn->ksnc_rx_state != SOCKNAL_RX_LNET_PAYLOAD)
return 0;
@@ -1289,14 +1315,14 @@ ksocknal_process_receive (ksock_conn_t *conn)

if (rc != 0) {
ksocknal_new_packet(conn, 0);
- ksocknal_close_conn_and_siblings (conn, rc);
+ ksocknal_close_conn_and_siblings(conn, rc);
return -EPROTO;
}
/* Fall through */

case SOCKNAL_RX_SLOP:
/* starting new packet? */
- if (ksocknal_new_packet (conn, conn->ksnc_rx_nob_left))
+ if (ksocknal_new_packet(conn, conn->ksnc_rx_nob_left))
return 0; /* come back later */
goto again; /* try to finish reading slop now */

@@ -1310,7 +1336,7 @@ ksocknal_process_receive (ksock_conn_t *conn)
}

int
-ksocknal_recv (lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
+ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
@@ -1351,8 +1377,8 @@ ksocknal_recv (lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
switch (conn->ksnc_rx_state) {
case SOCKNAL_RX_PARSE_WAIT:
list_add_tail(&conn->ksnc_rx_list, &sched->kss_rx_conns);
- wake_up (&sched->kss_waitq);
- LASSERT (conn->ksnc_rx_ready);
+ wake_up(&sched->kss_waitq);
+ LASSERT(conn->ksnc_rx_ready);
break;

case SOCKNAL_RX_PARSE:
@@ -1410,7 +1436,7 @@ int ksocknal_scheduler(void *arg)

/* Ensure I progress everything semi-fairly */

- if (!list_empty (&sched->kss_rx_conns)) {
+ if (!list_empty(&sched->kss_rx_conns)) {
conn = list_entry(sched->kss_rx_conns.next,
ksock_conn_t, ksnc_rx_list);
list_del(&conn->ksnc_rx_list);
@@ -1443,7 +1469,7 @@ int ksocknal_scheduler(void *arg)
conn->ksnc_rx_state = SOCKNAL_RX_PARSE_WAIT;
} else if (conn->ksnc_rx_ready) {
/* reschedule for rx */
- list_add_tail (&conn->ksnc_rx_list,
+ list_add_tail(&conn->ksnc_rx_list,
&sched->kss_rx_conns);
} else {
conn->ksnc_rx_scheduled = 0;
@@ -1454,7 +1480,7 @@ int ksocknal_scheduler(void *arg)
did_something = 1;
}

- if (!list_empty (&sched->kss_tx_conns)) {
+ if (!list_empty(&sched->kss_tx_conns)) {
LIST_HEAD(zlist);

if (!list_empty(&sched->kss_zombie_noop_txs)) {
@@ -1465,7 +1491,7 @@ int ksocknal_scheduler(void *arg)

conn = list_entry(sched->kss_tx_conns.next,
ksock_conn_t, ksnc_tx_list);
- list_del (&conn->ksnc_tx_list);
+ list_del(&conn->ksnc_tx_list);

LASSERT(conn->ksnc_tx_scheduled);
LASSERT(conn->ksnc_tx_ready);
@@ -1496,7 +1522,8 @@ int ksocknal_scheduler(void *arg)
rc = ksocknal_process_transmit(conn, tx);

if (rc == -ENOMEM || rc == -EAGAIN) {
- /* Incomplete send: replace tx on HEAD of tx_queue */
+ /* Incomplete send: replace tx on HEAD of
+ * tx_queue */
spin_lock_bh(&sched->kss_lock);
list_add(&tx->tx_list,
&conn->ksnc_tx_queue);
@@ -1535,7 +1562,7 @@ int ksocknal_scheduler(void *arg)
rc = wait_event_interruptible_exclusive(
sched->kss_waitq,
!ksocknal_sched_cansleep(sched));
- LASSERT (rc == 0);
+ LASSERT(rc == 0);
} else {
cond_resched();
}
@@ -1553,7 +1580,7 @@ int ksocknal_scheduler(void *arg)
* Add connection to kss_rx_conns of scheduler
* and wakeup the scheduler.
*/
-void ksocknal_read_callback (ksock_conn_t *conn)
+void ksocknal_read_callback(ksock_conn_t *conn)
{
ksock_sched_t *sched;

@@ -1570,7 +1597,7 @@ void ksocknal_read_callback (ksock_conn_t *conn)
/* extra ref for scheduler */
ksocknal_conn_addref(conn);

- wake_up (&sched->kss_waitq);
+ wake_up(&sched->kss_waitq);
}
spin_unlock_bh(&sched->kss_lock);
}
@@ -1579,7 +1606,7 @@ void ksocknal_read_callback (ksock_conn_t *conn)
* Add connection to kss_tx_conns of scheduler
* and wakeup the scheduler.
*/
-void ksocknal_write_callback (ksock_conn_t *conn)
+void ksocknal_write_callback(ksock_conn_t *conn)
{
ksock_sched_t *sched;

@@ -1591,20 +1618,20 @@ void ksocknal_write_callback (ksock_conn_t *conn)

if (!conn->ksnc_tx_scheduled && /* not being progressed */
!list_empty(&conn->ksnc_tx_queue)) { /* packets to send */
- list_add_tail (&conn->ksnc_tx_list,
+ list_add_tail(&conn->ksnc_tx_list,
&sched->kss_tx_conns);
conn->ksnc_tx_scheduled = 1;
/* extra ref for scheduler */
ksocknal_conn_addref(conn);

- wake_up (&sched->kss_waitq);
+ wake_up(&sched->kss_waitq);
}

spin_unlock_bh(&sched->kss_lock);
}

static ksock_proto_t *
-ksocknal_parse_proto_version (ksock_hello_msg_t *hello)
+ksocknal_parse_proto_version(ksock_hello_msg_t *hello)
{
__u32 version = 0;

@@ -1634,8 +1661,8 @@ ksocknal_parse_proto_version (ksock_hello_msg_t *hello)
if (hello->kshm_magic == le32_to_cpu(LNET_PROTO_TCP_MAGIC)) {
lnet_magicversion_t *hmv = (lnet_magicversion_t *)hello;

- CLASSERT(sizeof (lnet_magicversion_t) ==
- offsetof (ksock_hello_msg_t, kshm_src_nid));
+ CLASSERT(sizeof(lnet_magicversion_t) ==
+ offsetof(ksock_hello_msg_t, kshm_src_nid));

if (hmv->version_major == cpu_to_le16 (KSOCK_PROTO_V1_MAJOR) &&
hmv->version_minor == cpu_to_le16 (KSOCK_PROTO_V1_MINOR))
@@ -1646,8 +1673,8 @@ ksocknal_parse_proto_version (ksock_hello_msg_t *hello)
}

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(lnet_ni_t *ni, ksock_conn_t *conn,
+ lnet_nid_t peer_nid, ksock_hello_msg_t *hello)
{
/* CAVEAT EMPTOR: this byte flips 'ipaddrs' */
ksock_net_t *net = (ksock_net_t *)ni->ni_data;
@@ -1684,9 +1711,9 @@ ksocknal_invert_type(int 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(lnet_ni_t *ni, ksock_conn_t *conn,
+ ksock_hello_msg_t *hello, lnet_process_id_t *peerid,
+ __u64 *incarnation)
{
/* Return < 0 fatal error
* 0 success
@@ -1707,17 +1734,18 @@ ksocknal_recv_hello (lnet_ni_t *ni, ksock_conn_t *conn,
timeout = active ? *ksocknal_tunables.ksnd_timeout :
lnet_acceptor_timeout();

- rc = libcfs_sock_read(sock, &hello->kshm_magic, sizeof (hello->kshm_magic), timeout);
+ rc = libcfs_sock_read(sock, &hello->kshm_magic,
+ sizeof(hello->kshm_magic), timeout);
if (rc != 0) {
CERROR("Error %d reading HELLO from %pI4h\n",
rc, &conn->ksnc_ipaddr);
- LASSERT (rc < 0);
+ LASSERT(rc < 0);
return rc;
}

if (hello->kshm_magic != LNET_PROTO_MAGIC &&
hello->kshm_magic != __swab32(LNET_PROTO_MAGIC) &&
- hello->kshm_magic != le32_to_cpu (LNET_PROTO_TCP_MAGIC)) {
+ hello->kshm_magic != le32_to_cpu(LNET_PROTO_TCP_MAGIC)) {
/* Unexpected magic! */
CERROR("Bad magic(1) %#08x (%#08x expected) from %pI4h\n",
__cpu_to_le32 (hello->kshm_magic),
@@ -1772,7 +1800,8 @@ ksocknal_recv_hello (lnet_ni_t *ni, ksock_conn_t *conn,
*incarnation = hello->kshm_src_incarnation;

if (hello->kshm_src_nid == LNET_NID_ANY) {
- CERROR("Expecting a HELLO hdr with a NID, but got LNET_NID_ANY from %pI4h\n",
+ CERROR(
+ "Expecting a HELLO hdr with a NID, but got LNET_NID_ANY from %pI4h\n",
&conn->ksnc_ipaddr);
return -EPROTO;
}
@@ -1781,7 +1810,8 @@ ksocknal_recv_hello (lnet_ni_t *ni, ksock_conn_t *conn,
conn->ksnc_port > LNET_ACCEPTOR_MAX_RESERVED_PORT) {
/* Userspace NAL assigns peer 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);
+ recv_id.nid = LNET_MKNID(LNET_NIDNET(ni->ni_nid),
+ conn->ksnc_ipaddr);
} else {
recv_id.nid = hello->kshm_src_nid;
recv_id.pid = hello->kshm_src_pid;
@@ -1804,7 +1834,8 @@ ksocknal_recv_hello (lnet_ni_t *ni, ksock_conn_t *conn,

if (peerid->pid != recv_id.pid ||
peerid->nid != recv_id.nid) {
- LCONSOLE_ERROR_MSG(0x130, "Connected successfully to %s on host %pI4h, but they claimed they were %s; please check your Lustre configuration.\n",
+ LCONSOLE_ERROR_MSG(0x130,
+ "Connected successfully to %s on host %pI4h, but they claimed they were %s; please check your Lustre configuration.\n",
libcfs_id2str(*peerid),
&conn->ksnc_ipaddr,
libcfs_id2str(recv_id));
@@ -1828,7 +1859,7 @@ ksocknal_recv_hello (lnet_ni_t *ni, ksock_conn_t *conn,
}

static int
-ksocknal_connect (ksock_route_t *route)
+ksocknal_connect(ksock_route_t *route)
{
LIST_HEAD(zombies);
ksock_peer_t *peer = route->ksnr_peer;
@@ -1840,7 +1871,8 @@ ksocknal_connect (ksock_route_t *route)
int rc = 0;

deadline = cfs_time_add(cfs_time_current(),
- cfs_time_seconds(*ksocknal_tunables.ksnd_timeout));
+ cfs_time_seconds(
+ *ksocknal_tunables.ksnd_timeout));

write_lock_bh(&ksocknal_data.ksnd_global_lock);

@@ -1864,7 +1896,8 @@ ksocknal_connect (ksock_route_t *route)
if (peer->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);
+ libcfs_nid2str(peer->ksnp_id.nid),
+ peer->ksnp_accepting);
retry_later = 1;
}

@@ -1878,7 +1911,7 @@ ksocknal_connect (ksock_route_t *route)
} else if ((wanted & (1 << SOCKLND_CONN_BULK_IN)) != 0) {
type = SOCKLND_CONN_BULK_IN;
} else {
- LASSERT ((wanted & (1 << SOCKLND_CONN_BULK_OUT)) != 0);
+ LASSERT((wanted & (1 << SOCKLND_CONN_BULK_OUT)) != 0);
type = SOCKLND_CONN_BULK_OUT;
}

@@ -1930,9 +1963,10 @@ ksocknal_connect (ksock_route_t *route)
* but the race is resolved quickly usually,
* so min_reconnectms should be good heuristic */
route->ksnr_retry_interval =
- cfs_time_seconds(*ksocknal_tunables.ksnd_min_reconnectms)/1000;
+ cfs_time_seconds(
+ *ksocknal_tunables.ksnd_min_reconnectms)/1000;
route->ksnr_timeout = cfs_time_add(cfs_time_current(),
- route->ksnr_retry_interval);
+ route->ksnr_retry_interval);
}

ksocknal_launch_connection_locked(route);
@@ -1951,12 +1985,14 @@ ksocknal_connect (ksock_route_t *route)
route->ksnr_retry_interval *= 2;
route->ksnr_retry_interval =
max(route->ksnr_retry_interval,
- cfs_time_seconds(*ksocknal_tunables.ksnd_min_reconnectms)/1000);
+ cfs_time_seconds(
+ *ksocknal_tunables.ksnd_min_reconnectms)/1000);
route->ksnr_retry_interval =
min(route->ksnr_retry_interval,
- cfs_time_seconds(*ksocknal_tunables.ksnd_max_reconnectms)/1000);
+ cfs_time_seconds(
+ *ksocknal_tunables.ksnd_max_reconnectms)/1000);

- LASSERT (route->ksnr_retry_interval != 0);
+ LASSERT(route->ksnr_retry_interval != 0);
route->ksnr_timeout = cfs_time_add(cfs_time_current(),
route->ksnr_retry_interval);

@@ -1967,10 +2003,10 @@ ksocknal_connect (ksock_route_t *route)

/* ksnp_tx_queue is queued on a conn on successful
* connection for V1.x and V2.x */
- if (!list_empty (&peer->ksnp_conns)) {
+ if (!list_empty(&peer->ksnp_conns)) {
conn = list_entry(peer->ksnp_conns.next,
ksock_conn_t, ksnc_list);
- LASSERT (conn->ksnc_proto == &ksocknal_protocol_v3x);
+ LASSERT(conn->ksnc_proto == &ksocknal_protocol_v3x);
}

/* take all the blocked packets while I've got the lock and
@@ -2106,7 +2142,7 @@ ksocknal_connd_get_route_locked(signed long *timeout_p)
now = cfs_time_current();

/* connd_routes can contain both pending and ordinary routes */
- 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 ||
@@ -2122,7 +2158,7 @@ ksocknal_connd_get_route_locked(signed long *timeout_p)
}

int
-ksocknal_connd (void *arg)
+ksocknal_connd(void *arg)
{
spinlock_t *connd_lock = &ksocknal_data.ksnd_connd_lock;
ksock_connreq_t *cr;
@@ -2159,8 +2195,8 @@ ksocknal_connd (void *arg)

if (!list_empty(&ksocknal_data.ksnd_connd_connreqs)) {
/* Connection accepted by the listener */
- cr = list_entry(ksocknal_data.ksnd_connd_connreqs. \
- next, ksock_connreq_t, ksncr_list);
+ cr = list_entry(ksocknal_data.ksnd_connd_connreqs.next,
+ ksock_connreq_t, ksncr_list);

list_del(&cr->ksncr_list);
spin_unlock_bh(connd_lock);
@@ -2182,7 +2218,7 @@ ksocknal_connd (void *arg)
route = ksocknal_connd_get_route_locked(&timeout);
}
if (route != NULL) {
- 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;
@@ -2190,7 +2226,8 @@ ksocknal_connd (void *arg)
if (ksocknal_connect(route)) {
/* consecutive retry */
if (cons_retry++ > SOCKNAL_INSANITY_RECONN) {
- CWARN("massive consecutive re-connecting to %pI4h\n",
+ CWARN(
+ "massive consecutive re-connecting to %pI4h\n",
&route->ksnr_ipaddr);
cons_retry = 0;
}
@@ -2216,7 +2253,8 @@ ksocknal_connd (void *arg)

/* Nothing to do for 'timeout' */
set_current_state(TASK_INTERRUPTIBLE);
- add_wait_queue_exclusive(&ksocknal_data.ksnd_connd_waitq, &wait);
+ add_wait_queue_exclusive(&ksocknal_data.ksnd_connd_waitq,
+ &wait);
spin_unlock_bh(connd_lock);

nloops = 0;
@@ -2233,15 +2271,16 @@ ksocknal_connd (void *arg)
}

static ksock_conn_t *
-ksocknal_find_timed_out_conn (ksock_peer_t *peer)
+ksocknal_find_timed_out_conn(ksock_peer_t *peer)
{
/* We're called with a shared lock on ksnd_global_lock */
ksock_conn_t *conn;
struct list_head *ctmp;

- list_for_each (ctmp, &peer->ksnp_conns) {
+ list_for_each(ctmp, &peer->ksnp_conns) {
int error;
- conn = 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);
@@ -2254,19 +2293,22 @@ ksocknal_find_timed_out_conn (ksock_peer_t *peer)

switch (error) {
case ECONNRESET:
- CNETERR("A connection with %s (%pI4h:%d) was reset; it may have rebooted.\n",
+ CNETERR(
+ "A connection with %s (%pI4h:%d) was reset; it may have rebooted.\n",
libcfs_id2str(peer->ksnp_id),
&conn->ksnc_ipaddr,
conn->ksnc_port);
break;
case ETIMEDOUT:
- CNETERR("A connection with %s (%pI4h:%d) timed out; the network or node may be down.\n",
+ CNETERR(
+ "A connection with %s (%pI4h:%d) timed out; the network or node may be down.\n",
libcfs_id2str(peer->ksnp_id),
&conn->ksnc_ipaddr,
conn->ksnc_port);
break;
default:
- CNETERR("An unexpected network error %d occurred with %s (%pI4h:%d\n",
+ CNETERR(
+ "An unexpected network error %d occurred with %s (%pI4h:%d\n",
error,
libcfs_id2str(peer->ksnp_id),
&conn->ksnc_ipaddr,
@@ -2282,7 +2324,8 @@ ksocknal_find_timed_out_conn (ksock_peer_t *peer)
conn->ksnc_rx_deadline)) {
/* Timed out incomplete incoming message */
ksocknal_conn_addref(conn);
- CNETERR("Timeout receiving from %s (%pI4h:%d), state %d wanted %d left %d\n",
+ CNETERR(
+ "Timeout receiving from %s (%pI4h:%d), state %d wanted %d left %d\n",
libcfs_id2str(peer->ksnp_id),
&conn->ksnc_ipaddr,
conn->ksnc_port,
@@ -2299,7 +2342,8 @@ ksocknal_find_timed_out_conn (ksock_peer_t *peer)
/* Timed out messages queued for sending or
* buffered in the socket's send buffer */
ksocknal_conn_addref(conn);
- CNETERR("Timeout sending data to %s (%pI4h:%d) the network or that node may be down.\n",
+ CNETERR(
+ "Timeout sending data to %s (%pI4h:%d) the network or that node may be down.\n",
libcfs_id2str(peer->ksnp_id),
&conn->ksnc_ipaddr,
conn->ksnc_port);
@@ -2318,16 +2362,16 @@ ksocknal_flush_stale_txs(ksock_peer_t *peer)

write_lock_bh(&ksocknal_data.ksnd_global_lock);

- while (!list_empty (&peer->ksnp_tx_queue)) {
- tx = list_entry (peer->ksnp_tx_queue.next,
+ while (!list_empty(&peer->ksnp_tx_queue)) {
+ tx = list_entry(peer->ksnp_tx_queue.next,
ksock_tx_t, tx_list);

if (!cfs_time_aftereq(cfs_time_current(),
tx->tx_deadline))
break;

- list_del (&tx->tx_list);
- 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);
@@ -2342,7 +2386,8 @@ ksocknal_send_keepalive_locked(ksock_peer_t *peer)
ksock_conn_t *conn;
ksock_tx_t *tx;

- if (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->ksnp_conns))
return 0;

if (peer->ksnp_proto != &ksocknal_protocol_v3x)
@@ -2351,7 +2396,8 @@ ksocknal_send_keepalive_locked(ksock_peer_t *peer)
if (*ksocknal_tunables.ksnd_keepalive <= 0 ||
time_before(cfs_time_current(),
cfs_time_add(peer->ksnp_last_alive,
- cfs_time_seconds(*ksocknal_tunables.ksnd_keepalive))))
+ cfs_time_seconds(
+ *ksocknal_tunables.ksnd_keepalive))))
return 0;

if (time_before(cfs_time_current(), peer->ksnp_send_keepalive))
@@ -2397,7 +2443,7 @@ ksocknal_send_keepalive_locked(ksock_peer_t *peer)

static void
-ksocknal_check_peer_timeouts (int idx)
+ksocknal_check_peer_timeouts(int idx)
{
struct list_head *peers = &ksocknal_data.ksnd_peers[idx];
ksock_peer_t *peer;
@@ -2420,12 +2466,12 @@ ksocknal_check_peer_timeouts (int idx)
goto again;
}

- conn = ksocknal_find_timed_out_conn (peer);
+ conn = ksocknal_find_timed_out_conn(peer);

if (conn != NULL) {
read_unlock(&ksocknal_data.ksnd_global_lock);

- ksocknal_close_conn_and_siblings (conn, -ETIMEDOUT);
+ 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
@@ -2436,9 +2482,9 @@ ksocknal_check_peer_timeouts (int idx)

/* we can't process stale txs right here because we're
* holding only shared lock */
- if (!list_empty (&peer->ksnp_tx_queue)) {
+ if (!list_empty(&peer->ksnp_tx_queue)) {
ksock_tx_t *tx =
- list_entry (peer->ksnp_tx_queue.next,
+ list_entry(peer->ksnp_tx_queue.next,
ksock_tx_t, tx_list);

if (cfs_time_aftereq(cfs_time_current(),
@@ -2483,12 +2529,13 @@ ksocknal_check_peer_timeouts (int idx)
spin_unlock(&peer->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",
+ 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, conn->ksnc_sock->sk->sk_wmem_queued);

- ksocknal_close_conn_and_siblings (conn, -ETIMEDOUT);
+ ksocknal_close_conn_and_siblings(conn, -ETIMEDOUT);
ksocknal_conn_decref(conn);
goto again;
}
@@ -2497,7 +2544,7 @@ ksocknal_check_peer_timeouts (int idx)
}

int
-ksocknal_reaper (void *arg)
+ksocknal_reaper(void *arg)
{
wait_queue_t wait;
ksock_conn_t *conn;
@@ -2518,11 +2565,11 @@ ksocknal_reaper (void *arg)

while (!ksocknal_data.ksnd_shuttingdown) {

- if (!list_empty (&ksocknal_data.ksnd_deathrow_conns)) {
- conn = list_entry (ksocknal_data. \
- ksnd_deathrow_conns.next,
- ksock_conn_t, ksnc_list);
- list_del (&conn->ksnc_list);
+ if (!list_empty(&ksocknal_data.ksnd_deathrow_conns)) {
+ conn = list_entry(
+ ksocknal_data.ksnd_deathrow_conns.next,
+ ksock_conn_t, ksnc_list);
+ list_del(&conn->ksnc_list);

spin_unlock_bh(&ksocknal_data.ksnd_reaper_lock);

@@ -2533,10 +2580,10 @@ ksocknal_reaper (void *arg)
continue;
}

- if (!list_empty (&ksocknal_data.ksnd_zombie_conns)) {
- conn = list_entry (ksocknal_data.ksnd_zombie_conns.\
- next, ksock_conn_t, ksnc_list);
- list_del (&conn->ksnc_list);
+ if (!list_empty(&ksocknal_data.ksnd_zombie_conns)) {
+ conn = list_entry(ksocknal_data.ksnd_zombie_conns.next,
+ ksock_conn_t, ksnc_list);
+ list_del(&conn->ksnc_list);

spin_unlock_bh(&ksocknal_data.ksnd_reaper_lock);

@@ -2546,7 +2593,7 @@ ksocknal_reaper (void *arg)
continue;
}

- if (!list_empty (&ksocknal_data.ksnd_enomem_conns)) {
+ if (!list_empty(&ksocknal_data.ksnd_enomem_conns)) {
list_add(&enomem_conns,
&ksocknal_data.ksnd_enomem_conns);
list_del_init(&ksocknal_data.ksnd_enomem_conns);
@@ -2556,10 +2603,10 @@ ksocknal_reaper (void *arg)

/* reschedule all the connections that stalled with ENOMEM... */
nenomem_conns = 0;
- while (!list_empty (&enomem_conns)) {
- conn = list_entry (enomem_conns.next,
+ while (!list_empty(&enomem_conns)) {
+ conn = list_entry(enomem_conns.next,
ksock_conn_t, ksnc_tx_list);
- list_del (&conn->ksnc_tx_list);
+ list_del(&conn->ksnc_tx_list);

sched = conn->ksnc_scheduler;

@@ -2596,7 +2643,7 @@ ksocknal_reaper (void *arg)
chunk = 1;

for (i = 0; i < chunk; i++) {
- ksocknal_check_peer_timeouts (peer_index);
+ ksocknal_check_peer_timeouts(peer_index);
peer_index = (peer_index + 1) %
ksocknal_data.ksnd_peer_hash_size;
}
@@ -2613,16 +2660,16 @@ ksocknal_reaper (void *arg)
ksocknal_data.ksnd_reaper_waketime =
cfs_time_add(cfs_time_current(), timeout);

- set_current_state (TASK_INTERRUPTIBLE);
- add_wait_queue (&ksocknal_data.ksnd_reaper_waitq, &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
+ add_wait_queue(&ksocknal_data.ksnd_reaper_waitq, &wait);

if (!ksocknal_data.ksnd_shuttingdown &&
- list_empty (&ksocknal_data.ksnd_deathrow_conns) &&
- list_empty (&ksocknal_data.ksnd_zombie_conns))
+ 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);
+ set_current_state(TASK_RUNNING);
+ remove_wait_queue(&ksocknal_data.ksnd_reaper_waitq, &wait);

spin_lock_bh(&ksocknal_data.ksnd_reaper_lock);
}
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 caeb347..d8f4960 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.c
@@ -176,7 +176,8 @@ ksocknal_lib_send_kiov(ksock_conn_t *conn, ksock_tx_t *tx)
nob < tx->tx_resid)
msg.msg_flags |= MSG_MORE;

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

for (i = 0; i < niov; i++)
kunmap(kiov[i].kiov_page);
@@ -250,7 +251,8 @@ ksocknal_lib_recv_iov(ksock_conn_t *conn)
fragnob = sum;

conn->ksnc_rx_csum = ksocknal_csum(conn->ksnc_rx_csum,
- iov[i].iov_base, fragnob);
+ iov[i].iov_base,
+ fragnob);
}
conn->ksnc_msg.ksm_csum = saved_csum;
}
@@ -286,7 +288,8 @@ ksocknal_lib_kiov_vmap(lnet_kiov_t *kiov, int niov,

for (nob = i = 0; i < niov; i++) {
if ((kiov[i].kiov_offset != 0 && i > 0) ||
- (kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_CACHE_SIZE && i < niov - 1))
+ (kiov[i].kiov_offset + kiov[i].kiov_len !=
+ PAGE_CACHE_SIZE && i < niov - 1))
return NULL;

pages[i] = kiov[i].kiov_page;
@@ -358,9 +361,9 @@ ksocknal_lib_recv_kiov(ksock_conn_t *conn)
LASSERT(i < niov);

/* Dang! have to kmap again because I have nowhere to
- * stash the mapped address. But by doing it while the
- * page is still mapped, the kernel just bumps the map
- * count and returns me the address it stashed. */
+ * stash the mapped address. But by doing it while the
+ * page is still mapped, the kernel just bumps the map
+ * count and returns me the address it stashed. */
base = kmap(kiov[i].kiov_page) + kiov[i].kiov_offset;
fragnob = kiov[i].kiov_len;
if (fragnob > sum)
@@ -404,7 +407,8 @@ ksocknal_lib_csum_tx(ksock_tx_t *tx)
base = kmap(tx->tx_kiov[i].kiov_page) +
tx->tx_kiov[i].kiov_offset;

- csum = ksocknal_csum(csum, base, tx->tx_kiov[i].kiov_len);
+ csum = ksocknal_csum(csum, base,
+ tx->tx_kiov[i].kiov_len);

kunmap(tx->tx_kiov[i].kiov_page);
}
@@ -423,7 +427,8 @@ ksocknal_lib_csum_tx(ksock_tx_t *tx)
}

int
-ksocknal_lib_get_conn_tunables(ksock_conn_t *conn, int *txmem, int *rxmem, int *nagle)
+ksocknal_lib_get_conn_tunables(ksock_conn_t *conn, int *txmem, int *rxmem,
+ int *nagle)
{
struct socket *sock = conn->ksnc_sock;
int len;
@@ -666,7 +671,6 @@ ksocknal_lib_set_callback(struct socket *sock, ksock_conn_t *conn)
sock->sk->sk_user_data = conn;
sock->sk->sk_data_ready = ksocknal_data_ready;
sock->sk->sk_write_space = ksocknal_write_space;
- return;
}

void
@@ -682,8 +686,6 @@ ksocknal_lib_reset_callback(struct socket *sock, ksock_conn_t *conn)
* on ksnd_global_lock (to serialise with me) and NOOP if
* sk_user_data is NULL. */
sock->sk->sk_user_data = NULL;
-
- return ;
}

int
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.h
index f556388..8524630 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.h
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.h
@@ -71,7 +71,7 @@ static inline __u32 ksocknal_csum(__u32 crc, unsigned char const *p, size_t len)
return crc32_le(crc, p, len);
#else
while (len-- > 0)
- crc = ((crc + 0x100) & ~0xff) | ((crc + *p++) & 0xff) ;
+ crc = ((crc + 0x100) & ~0xff) | ((crc + *p++) & 0xff);
return crc;
#endif
}
diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
index 1938d6a..7d767df 100644
--- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c
@@ -65,7 +65,8 @@ ksocknal_next_tx_carrier(ksock_conn_t *conn)
} else {
conn->ksnc_tx_carrier = list_entry(tx->tx_list.next,
ksock_tx_t, tx_list);
- LASSERT(conn->ksnc_tx_carrier->tx_msg.ksm_type == tx->tx_msg.ksm_type);
+ LASSERT(conn->ksnc_tx_carrier->tx_msg.ksm_type ==
+ tx->tx_msg.ksm_type);
}
}

@@ -198,16 +199,20 @@ ksocknal_queue_tx_zcack_v3(ksock_conn_t *conn,
}

if (tx->tx_msg.ksm_zc_cookies[0] == 0) {
- /* NOOP tx has only one ZC-ACK cookie, can carry at least one more */
+ /* NOOP tx has only one ZC-ACK cookie, can carry at least
+ * one more */
if (tx->tx_msg.ksm_zc_cookies[1] > cookie) {
- tx->tx_msg.ksm_zc_cookies[0] = tx->tx_msg.ksm_zc_cookies[1];
+ tx->tx_msg.ksm_zc_cookies[0] =
+ tx->tx_msg.ksm_zc_cookies[1];
tx->tx_msg.ksm_zc_cookies[1] = cookie;
} else {
tx->tx_msg.ksm_zc_cookies[0] = cookie;
}

- if (tx->tx_msg.ksm_zc_cookies[0] - tx->tx_msg.ksm_zc_cookies[1] > 2) {
- /* not likely to carry more ACKs, skip it to simplify logic */
+ if (tx->tx_msg.ksm_zc_cookies[0] -
+ tx->tx_msg.ksm_zc_cookies[1] > 2) {
+ /* not likely to carry more ACKs, skip it to
+ * simplify logic */
ksocknal_next_tx_carrier(conn);
}

@@ -241,7 +246,8 @@ ksocknal_queue_tx_zcack_v3(ksock_conn_t *conn,
}

} else {
- /* ksm_zc_cookies[0] < ksm_zc_cookies[1], it is range of cookies */
+ /* ksm_zc_cookies[0] < ksm_zc_cookies[1], it is range
+ * of cookies */
if (cookie >= tx->tx_msg.ksm_zc_cookies[0] &&
cookie <= tx->tx_msg.ksm_zc_cookies[1]) {
CWARN("%s: duplicated ZC cookie: %llu\n",
@@ -428,7 +434,8 @@ ksocknal_handle_zcack(ksock_conn_t *conn, __u64 cookie1, __u64 cookie2)
&peer->ksnp_zc_req_list, tx_zc_list) {
__u64 c = tx->tx_msg.ksm_zc_cookies[0];

- if (c == cookie1 || c == cookie2 || (cookie1 < c && c < cookie2)) {
+ if (c == cookie1 || c == cookie2 ||
+ (cookie1 < c && c < cookie2)) {
tx->tx_msg.ksm_zc_cookies[0] = 0;
list_del(&tx->tx_zc_list);
list_add(&tx->tx_zc_list, &zlist);
@@ -507,9 +514,8 @@ ksocknal_send_hello_v1(ksock_conn_t *conn, ksock_hello_msg_t *hello)
if (hello->kshm_nips == 0)
goto out;

- for (i = 0; i < (int) hello->kshm_nips; i++) {
+ for (i = 0; i < (int) hello->kshm_nips; i++)
hello->kshm_ips[i] = __cpu_to_le32 (hello->kshm_ips[i]);
- }

rc = libcfs_sock_write(sock, hello->kshm_ips,
hello->kshm_nips * sizeof(__u32),
@@ -544,7 +550,8 @@ ksocknal_send_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello)
LNET_UNLOCK();
}

- rc = libcfs_sock_write(sock, hello, offsetof(ksock_hello_msg_t, kshm_ips),
+ rc = libcfs_sock_write(sock, hello,
+ offsetof(ksock_hello_msg_t, kshm_ips),
lnet_acceptor_timeout());

if (rc != 0) {
@@ -645,7 +652,8 @@ out:
}

static int
-ksocknal_recv_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello, int timeout)
+ksocknal_recv_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello,
+ int timeout)
{
struct socket *sock = conn->ksnc_sock;
int rc;
@@ -658,7 +666,8 @@ ksocknal_recv_hello_v2(ksock_conn_t *conn, ksock_hello_msg_t *hello, int timeout

rc = libcfs_sock_read(sock, &hello->kshm_src_nid,
offsetof(ksock_hello_msg_t, kshm_ips) -
- offsetof(ksock_hello_msg_t, kshm_src_nid),
+ offsetof(ksock_hello_msg_t,
+ kshm_src_nid),
timeout);
if (rc != 0) {
CERROR("Error %d reading HELLO from %pI4h\n",
@@ -720,7 +729,8 @@ ksocknal_pack_msg_v1(ksock_tx_t *tx)
tx->tx_iov[0].iov_base = &tx->tx_lnetmsg->msg_hdr;
tx->tx_iov[0].iov_len = sizeof(lnet_hdr_t);

- tx->tx_resid = tx->tx_nob = tx->tx_lnetmsg->msg_len + sizeof(lnet_hdr_t);
+ tx->tx_resid = tx->tx_nob = tx->tx_lnetmsg->msg_len +
+ sizeof(lnet_hdr_t);
}

static void
@@ -733,14 +743,18 @@ ksocknal_pack_msg_v2(ksock_tx_t *tx)

tx->tx_msg.ksm_u.lnetmsg.ksnm_hdr = tx->tx_lnetmsg->msg_hdr;
tx->tx_iov[0].iov_len = sizeof(ksock_msg_t);
- tx->tx_resid = tx->tx_nob = sizeof(ksock_msg_t) + tx->tx_lnetmsg->msg_len;
+ tx->tx_resid = tx->tx_nob = sizeof(ksock_msg_t) +
+ tx->tx_lnetmsg->msg_len;
} else {
LASSERT(tx->tx_msg.ksm_type == KSOCK_MSG_NOOP);

- tx->tx_iov[0].iov_len = offsetof(ksock_msg_t, ksm_u.lnetmsg.ksnm_hdr);
- tx->tx_resid = tx->tx_nob = offsetof(ksock_msg_t, ksm_u.lnetmsg.ksnm_hdr);
+ tx->tx_iov[0].iov_len = offsetof(ksock_msg_t,
+ ksm_u.lnetmsg.ksnm_hdr);
+ tx->tx_resid = tx->tx_nob = offsetof(ksock_msg_t,
+ ksm_u.lnetmsg.ksnm_hdr);
}
- /* Don't checksum before start sending, because packet can be piggybacked with ACK */
+ /* Don't checksum before start sending, because packet can be
+ * piggybacked with ACK */
}

static void
--
1.7.1