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SUNRPC: Remove the bh-safe lock requirement on the rpc_wait_queue->lock

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Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-05-02 11:23:12 -04:00
parent b5e924191f
commit c049f8ea9a
1 changed files with 25 additions and 25 deletions
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50
net/sunrpc/sched.c
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@ -432,9 +432,9 @@ void rpc_sleep_on_timeout(struct rpc_wait_queue *q, struct rpc_task *task,
/*
* Protect the queue operations.
*/
spin_lock_bh(&q->lock);
spin_lock(&q->lock);
__rpc_sleep_on_priority_timeout(q, task, timeout, task->tk_priority);
spin_unlock_bh(&q->lock);
spin_unlock(&q->lock);
}
EXPORT_SYMBOL_GPL(rpc_sleep_on_timeout);
@ -450,9 +450,9 @@ void rpc_sleep_on(struct rpc_wait_queue *q, struct rpc_task *task,
/*
* Protect the queue operations.
*/
spin_lock_bh(&q->lock);
spin_lock(&q->lock);
__rpc_sleep_on_priority(q, task, task->tk_priority);
spin_unlock_bh(&q->lock);
spin_unlock(&q->lock);
}
EXPORT_SYMBOL_GPL(rpc_sleep_on);
@ -466,9 +466,9 @@ void rpc_sleep_on_priority_timeout(struct rpc_wait_queue *q,
/*
* Protect the queue operations.
*/
spin_lock_bh(&q->lock);
spin_lock(&q->lock);
__rpc_sleep_on_priority_timeout(q, task, timeout, priority);
spin_unlock_bh(&q->lock);
spin_unlock(&q->lock);
}
EXPORT_SYMBOL_GPL(rpc_sleep_on_priority_timeout);
@ -483,9 +483,9 @@ void rpc_sleep_on_priority(struct rpc_wait_queue *q, struct rpc_task *task,
/*
* Protect the queue operations.
*/
spin_lock_bh(&q->lock);
spin_lock(&q->lock);
__rpc_sleep_on_priority(q, task, priority);
spin_unlock_bh(&q->lock);
spin_unlock(&q->lock);
}
EXPORT_SYMBOL_GPL(rpc_sleep_on_priority);
@ -563,9 +563,9 @@ void rpc_wake_up_queued_task_on_wq(struct workqueue_struct *wq,
{
if (!RPC_IS_QUEUED(task))
return;
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
rpc_wake_up_task_on_wq_queue_locked(wq, queue, task);
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
}
/*
@ -575,9 +575,9 @@ void rpc_wake_up_queued_task(struct rpc_wait_queue *queue, struct rpc_task *task
{
if (!RPC_IS_QUEUED(task))
return;
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
rpc_wake_up_task_queue_locked(queue, task);
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
}
EXPORT_SYMBOL_GPL(rpc_wake_up_queued_task);
@ -610,9 +610,9 @@ rpc_wake_up_queued_task_set_status(struct rpc_wait_queue *queue,
{
if (!RPC_IS_QUEUED(task))
return;
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
rpc_wake_up_task_queue_set_status_locked(queue, task, status);
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
}
/*
@ -675,12 +675,12 @@ struct rpc_task *rpc_wake_up_first_on_wq(struct workqueue_struct *wq,
dprintk("RPC: wake_up_first(%p \"%s\")\n",
queue, rpc_qname(queue));
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
task = __rpc_find_next_queued(queue);
if (task != NULL)
task = rpc_wake_up_task_on_wq_queue_action_locked(wq, queue,
task, func, data);
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
return task;
}
@ -719,7 +719,7 @@ void rpc_wake_up(struct rpc_wait_queue *queue)
{
struct list_head *head;
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
head = &queue->tasks[queue->maxpriority];
for (;;) {
while (!list_empty(head)) {
@ -733,7 +733,7 @@ void rpc_wake_up(struct rpc_wait_queue *queue)
break;
head--;
}
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
}
EXPORT_SYMBOL_GPL(rpc_wake_up);
@ -748,7 +748,7 @@ void rpc_wake_up_status(struct rpc_wait_queue *queue, int status)
{
struct list_head *head;
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
head = &queue->tasks[queue->maxpriority];
for (;;) {
while (!list_empty(head)) {
@ -763,7 +763,7 @@ void rpc_wake_up_status(struct rpc_wait_queue *queue, int status)
break;
head--;
}
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
}
EXPORT_SYMBOL_GPL(rpc_wake_up_status);
@ -775,7 +775,7 @@ static void __rpc_queue_timer_fn(struct work_struct *work)
struct rpc_task *task, *n;
unsigned long expires, now, timeo;
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
expires = now = jiffies;
list_for_each_entry_safe(task, n, &queue->timer_list.list, u.tk_wait.timer_list) {
timeo = task->tk_timeout;
@ -790,7 +790,7 @@ static void __rpc_queue_timer_fn(struct work_struct *work)
}
if (!list_empty(&queue->timer_list.list))
rpc_set_queue_timer(queue, expires);
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
}
static void __rpc_atrun(struct rpc_task *task)
@ -937,13 +937,13 @@ static void __rpc_execute(struct rpc_task *task)
* rpc_task pointer may still be dereferenced.
*/
queue = task->tk_waitqueue;
spin_lock_bh(&queue->lock);
spin_lock(&queue->lock);
if (!RPC_IS_QUEUED(task)) {
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
continue;
}
rpc_clear_running(task);
spin_unlock_bh(&queue->lock);
spin_unlock(&queue->lock);
if (task_is_async)
return;