[lustre-devel] [PATCH 10/49] lnet: socklnd: change various ints to bool.

[James Simmons]

From: Mr NeilBrown <neilb at suse.de>

Each of these int variables, and one int function, are
really truth values, so change to bool.

WC-bug-id: https://jira.whamcloud.com/browse/LU-12678
Lustre-commit: a3275d1d79df5ab5 ("LU-12678 socklnd: change various ints to bool.")
Signed-off-by: Mr NeilBrown <neilb at suse.de>
Reviewed-on: https://review.whamcloud.com/39302
Reviewed-by: James Simmons <jsimmons at infradead.org>
Reviewed-by: Chris Horn <chris.horn at hpe.com>
Reviewed-by: Oleg Drokin <green at whamcloud.com>
Signed-off-by: James Simmons <jsimmons at infradead.org>
---
 net/lnet/klnds/socklnd/socklnd.c    | 13 ++++++-------
 net/lnet/klnds/socklnd/socklnd_cb.c | 22 +++++++++++-----------
 2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/net/lnet/klnds/socklnd/socklnd.c b/net/lnet/klnds/socklnd/socklnd.c
index a7c0b65..589a835 100644
--- a/net/lnet/klnds/socklnd/socklnd.c
+++ b/net/lnet/klnds/socklnd/socklnd.c
@@ -1533,7 +1533,7 @@ struct ksock_peer_ni *
 void
 ksocknal_peer_failed(struct ksock_peer_ni *peer_ni)
 {
-	int notify = 0;
+	bool notify = false;
 	time64_t last_alive = 0;
 
 	/*
@@ -1547,7 +1547,7 @@ struct ksock_peer_ni *
 	    list_empty(&peer_ni->ksnp_conns) &&
 	    !peer_ni->ksnp_accepting &&
 	    !ksocknal_find_connecting_route_locked(peer_ni)) {
-		notify = 1;
+		notify = true;
 		last_alive = peer_ni->ksnp_last_alive;
 	}
 
@@ -1598,15 +1598,14 @@ struct ksock_peer_ni *
 void
 ksocknal_terminate_conn(struct ksock_conn *conn)
 {
-	/*
-	 * This gets called by the reaper (guaranteed thread context) to
+	/* This gets called by the reaper (guaranteed thread context) to
 	 * disengage the socket from its callbacks and close it.
 	 * ksnc_refcount will eventually hit zero, and then the reaper will
 	 * destroy it.
 	 */
 	struct ksock_peer_ni *peer_ni = conn->ksnc_peer;
 	struct ksock_sched *sched = conn->ksnc_scheduler;
-	int failed = 0;
+	bool failed = false;
 
 	LASSERT(conn->ksnc_closing);
 
@@ -1643,7 +1642,7 @@ struct ksock_peer_ni *
 	if (peer_ni->ksnp_error) {
 		/* peer_ni's last conn closed in error */
 		LASSERT(list_empty(&peer_ni->ksnp_conns));
-		failed = 1;
+		failed = true;
 		peer_ni->ksnp_error = 0;     /* avoid multiple notifications */
 	}
 
@@ -2493,7 +2492,7 @@ static int ksocknal_push(struct lnet_ni *ni, struct lnet_process_id id)
 	for (i = 0; i < net->ksnn_ninterfaces; i++) {
 		char *ifnam = &net->ksnn_interfaces[i].ksni_name[0];
 		char *colon = strchr(ifnam, ':');
-		int found  = 0;
+		bool found  = false;
 		struct ksock_net *tmp;
 		int j;
 
diff --git a/net/lnet/klnds/socklnd/socklnd_cb.c b/net/lnet/klnds/socklnd/socklnd_cb.c
index 7fa2d58..b1146dc 100644
--- a/net/lnet/klnds/socklnd/socklnd_cb.c
+++ b/net/lnet/klnds/socklnd/socklnd_cb.c
@@ -1337,7 +1337,7 @@ int ksocknal_scheduler(void *arg)
 	spin_lock_bh(&sched->kss_lock);
 
 	while (!ksocknal_data.ksnd_shuttingdown) {
-		int did_something = 0;
+		bool did_something = false;
 
 		/* Ensure I progress everything semi-fairly */
 
@@ -1387,7 +1387,7 @@ int ksocknal_scheduler(void *arg)
 				ksocknal_conn_decref(conn);
 			}
 
-			did_something = 1;
+			did_something = true;
 		}
 
 		if (!list_empty(&sched->kss_tx_conns)) {
@@ -1463,7 +1463,7 @@ int ksocknal_scheduler(void *arg)
 				ksocknal_conn_decref(conn);
 			}
 
-			did_something = 1;
+			did_something = true;
 		}
 		if (!did_something ||	/* nothing to do */
 		    need_resched()) {	/* hogging CPU? */
@@ -1767,7 +1767,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 	return 0;
 }
 
-static int
+static bool
 ksocknal_connect(struct ksock_route *route)
 {
 	LIST_HEAD(zombies);
@@ -1776,7 +1776,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 	int wanted;
 	struct socket *sock;
 	time64_t deadline;
-	int retry_later = 0;
+	bool retry_later = 0;
 	int rc = 0;
 
 	deadline = ktime_get_seconds() + ksocknal_timeout();
@@ -1797,7 +1797,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 		 */
 		if (peer_ni->ksnp_closing || route->ksnr_deleted ||
 		    !wanted) {
-			retry_later = 0;
+			retry_later = false;
 			break;
 		}
 
@@ -1807,7 +1807,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 			       "peer_ni %s(%d) already connecting to me, retry later.\n",
 			       libcfs_nid2str(peer_ni->ksnp_id.nid),
 			       peer_ni->ksnp_accepting);
-			retry_later = 1;
+			retry_later = true;
 		}
 
 		if (retry_later) /* needs reschedule */
@@ -2087,7 +2087,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 		struct ksock_route *route = NULL;
 		time64_t sec = ktime_get_real_seconds();
 		long timeout = MAX_SCHEDULE_TIMEOUT;
-		int dropped_lock = 0;
+		bool dropped_lock = false;
 
 		if (ksocknal_connd_check_stop(sec, &timeout)) {
 			/* wakeup another one to check stop */
@@ -2097,7 +2097,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 
 		if (ksocknal_connd_check_start(sec, &timeout)) {
 			/* created new thread */
-			dropped_lock = 1;
+			dropped_lock = true;
 		}
 
 		cr = list_first_entry_or_null(&ksocknal_data.ksnd_connd_connreqs,
@@ -2107,7 +2107,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 
 			list_del(&cr->ksncr_list);
 			spin_unlock_bh(connd_lock);
-			dropped_lock = 1;
+			dropped_lock = true;
 
 			ksocknal_create_conn(cr->ksncr_ni, NULL,
 					     cr->ksncr_sock, SOCKLND_CONN_NONE);
@@ -2130,7 +2130,7 @@ void ksocknal_write_callback(struct ksock_conn *conn)
 			list_del(&route->ksnr_connd_list);
 			ksocknal_data.ksnd_connd_connecting++;
 			spin_unlock_bh(connd_lock);
-			dropped_lock = 1;
+			dropped_lock = true;
 
 			if (ksocknal_connect(route)) {
 				/* consecutive retry */
-- 
1.8.3.1