[PATCH 58/58] sunrpc: Convert timers to use timer_setup()
From: Kees Cook <hidden>
Date: 2017-10-17 00:51:06
Also in:
linux-nfs, lkml
Subsystem:
kernel nfsd, sunrpc, and lockd servers, networking [general], nfs, sunrpc, and lockd clients, the rest · Maintainers:
Chuck Lever, Jeff Layton, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Trond Myklebust, Anna Schumaker, Linus Torvalds
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Trond Myklebust <redacted> Cc: Anna Schumaker <redacted> Cc: "J. Bruce Fields" <redacted> Cc: Jeff Layton <redacted> Cc: "David S. Miller" <davem@davemloft.net> Cc: linux-nfs@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <redacted> --- net/sunrpc/sched.c | 8 ++++---- net/sunrpc/svc.c | 2 +- net/sunrpc/svc_xprt.c | 9 ++++----- net/sunrpc/xprt.c | 9 ++++----- 4 files changed, 13 insertions(+), 15 deletions(-)
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 0cc83839c13c..5dea47eb31bb 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c@@ -44,7 +44,7 @@ static mempool_t *rpc_buffer_mempool __read_mostly; static void rpc_async_schedule(struct work_struct *); static void rpc_release_task(struct rpc_task *task); -static void __rpc_queue_timer_fn(unsigned long ptr); +static void __rpc_queue_timer_fn(struct timer_list *t); /* * RPC tasks sit here while waiting for conditions to improve.
@@ -228,7 +228,7 @@ static void __rpc_init_priority_wait_queue(struct rpc_wait_queue *queue, const c queue->maxpriority = nr_queues - 1; rpc_reset_waitqueue_priority(queue); queue->qlen = 0; - setup_timer(&queue->timer_list.timer, __rpc_queue_timer_fn, (unsigned long)queue); + timer_setup(&queue->timer_list.timer, __rpc_queue_timer_fn, 0); INIT_LIST_HEAD(&queue->timer_list.list); rpc_assign_waitqueue_name(queue, qname); }
@@ -635,9 +635,9 @@ void rpc_wake_up_status(struct rpc_wait_queue *queue, int status) } EXPORT_SYMBOL_GPL(rpc_wake_up_status); -static void __rpc_queue_timer_fn(unsigned long ptr) +static void __rpc_queue_timer_fn(struct timer_list *t) { - struct rpc_wait_queue *queue = (struct rpc_wait_queue *)ptr; + struct rpc_wait_queue *queue = from_timer(queue, t, timer_list.timer); struct rpc_task *task, *n; unsigned long expires, now, timeo;
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index aa04666f929d..33f4ae68426d 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c@@ -455,7 +455,7 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools, serv->sv_xdrsize = xdrsize; INIT_LIST_HEAD(&serv->sv_tempsocks); INIT_LIST_HEAD(&serv->sv_permsocks); - init_timer(&serv->sv_temptimer); + timer_setup(&serv->sv_temptimer, NULL, 0); spin_lock_init(&serv->sv_lock); __svc_init_bc(serv);
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index d16a8b423c20..71de77bd4423 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c@@ -28,7 +28,7 @@ module_param(svc_rpc_per_connection_limit, uint, 0644); static struct svc_deferred_req *svc_deferred_dequeue(struct svc_xprt *xprt); static int svc_deferred_recv(struct svc_rqst *rqstp); static struct cache_deferred_req *svc_defer(struct cache_req *req); -static void svc_age_temp_xprts(unsigned long closure); +static void svc_age_temp_xprts(struct timer_list *t); static void svc_delete_xprt(struct svc_xprt *xprt); /* apparently the "standard" is that clients close
@@ -785,8 +785,7 @@ static void svc_add_new_temp_xprt(struct svc_serv *serv, struct svc_xprt *newxpt serv->sv_tmpcnt++; if (serv->sv_temptimer.function == NULL) { /* setup timer to age temp transports */ - setup_timer(&serv->sv_temptimer, svc_age_temp_xprts, - (unsigned long)serv); + serv->sv_temptimer.function = (TIMER_FUNC_TYPE)svc_age_temp_xprts; mod_timer(&serv->sv_temptimer, jiffies + svc_conn_age_period * HZ); }
@@ -960,9 +959,9 @@ int svc_send(struct svc_rqst *rqstp) * Timer function to close old temporary transports, using * a mark-and-sweep algorithm. */ -static void svc_age_temp_xprts(unsigned long closure) +static void svc_age_temp_xprts(struct timer_list *t) { - struct svc_serv *serv = (struct svc_serv *)closure; + struct svc_serv *serv = from_timer(serv, t, sv_temptimer); struct svc_xprt *xprt; struct list_head *le, *next;
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index e741ec2b4d8e..4b00302e1867 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c@@ -696,9 +696,9 @@ xprt_schedule_autodisconnect(struct rpc_xprt *xprt) } static void -xprt_init_autodisconnect(unsigned long data) +xprt_init_autodisconnect(struct timer_list *t) { - struct rpc_xprt *xprt = (struct rpc_xprt *)data; + struct rpc_xprt *xprt = from_timer(xprt, t, timer); spin_lock(&xprt->transport_lock); if (!list_empty(&xprt->recv))
@@ -1422,10 +1422,9 @@ struct rpc_xprt *xprt_create_transport(struct xprt_create *args) xprt->idle_timeout = 0; INIT_WORK(&xprt->task_cleanup, xprt_autoclose); if (xprt_has_timer(xprt)) - setup_timer(&xprt->timer, xprt_init_autodisconnect, - (unsigned long)xprt); + timer_setup(&xprt->timer, xprt_init_autodisconnect, 0); else - init_timer(&xprt->timer); + timer_setup(&xprt->timer, NULL, 0); if (strlen(args->servername) > RPC_MAXNETNAMELEN) { xprt_destroy(xprt);
--
2.7.4