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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-05-02 18:23:12 +0300
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-07-06 21:54:49 +0300
commitc049f8ea9a0db11d87bc8cb4c106be65fe06b70b (patch)
tree3f5493b54eeadd5c40df734dd305b7fea8a66c8c /net/sunrpc/sched.c
parentb5e924191f87239e555f3ef3b8d8e697bb95e7dc (diff)
downloadlinux-c049f8ea9a0db11d87bc8cb4c106be65fe06b70b.tar.xz
SUNRPC: Remove the bh-safe lock requirement on the rpc_wait_queue->lock
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc/sched.c')
-rw-r--r--net/sunrpc/sched.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index e0a0cf381eba..191916168e67 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -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;