diff options
author | Ingo Molnar <mingo@kernel.org> | 2017-03-05 11:25:39 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2017-06-20 12:18:28 +0200 |
commit | 2141713616c652aeabf2dd5c1e89bc601c4fed6a (patch) | |
tree | 506baaf0994e1279805c4991bc904c5fbcaa9ed3 /kernel | |
parent | 9d9d676f595b5081326be7a17dc681fcb38fb3b2 (diff) | |
download | linux-2141713616c652aeabf2dd5c1e89bc601c4fed6a.tar.bz2 |
sched/wait: Standardize 'struct wait_bit_queue' wait-queue entry field name
Rename 'struct wait_bit_queue::wait' to ::wq_entry, to more clearly
name it as a wait-queue entry.
Propagate it to a couple of usage sites where the wait-bit-queue internals
are exposed.
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/sched/wait.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index 203aeea96f16..f1ba0625b8be 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c @@ -395,7 +395,7 @@ int wake_bit_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync { struct wait_bit_key *key = arg; struct wait_bit_queue *wait_bit - = container_of(wq_entry, struct wait_bit_queue, wait); + = container_of(wq_entry, struct wait_bit_queue, wq_entry); if (wait_bit->key.flags != key->flags || wait_bit->key.bit_nr != key->bit_nr || @@ -418,11 +418,11 @@ __wait_on_bit(struct wait_queue_head *wq_head, struct wait_bit_queue *q, int ret = 0; do { - prepare_to_wait(wq_head, &q->wait, mode); + prepare_to_wait(wq_head, &q->wq_entry, mode); if (test_bit(q->key.bit_nr, q->key.flags)) ret = (*action)(&q->key, mode); } while (test_bit(q->key.bit_nr, q->key.flags) && !ret); - finish_wait(wq_head, &q->wait); + finish_wait(wq_head, &q->wq_entry); return ret; } EXPORT_SYMBOL(__wait_on_bit); @@ -431,9 +431,9 @@ int __sched out_of_line_wait_on_bit(void *word, int bit, wait_bit_action_f *action, unsigned mode) { struct wait_queue_head *wq_head = bit_waitqueue(word, bit); - DEFINE_WAIT_BIT(wait, word, bit); + DEFINE_WAIT_BIT(wq_entry, word, bit); - return __wait_on_bit(wq_head, &wait, action, mode); + return __wait_on_bit(wq_head, &wq_entry, action, mode); } EXPORT_SYMBOL(out_of_line_wait_on_bit); @@ -442,10 +442,10 @@ int __sched out_of_line_wait_on_bit_timeout( unsigned mode, unsigned long timeout) { struct wait_queue_head *wq_head = bit_waitqueue(word, bit); - DEFINE_WAIT_BIT(wait, word, bit); + DEFINE_WAIT_BIT(wq_entry, word, bit); - wait.key.timeout = jiffies + timeout; - return __wait_on_bit(wq_head, &wait, action, mode); + wq_entry.key.timeout = jiffies + timeout; + return __wait_on_bit(wq_head, &wq_entry, action, mode); } EXPORT_SYMBOL_GPL(out_of_line_wait_on_bit_timeout); @@ -456,7 +456,7 @@ __wait_on_bit_lock(struct wait_queue_head *wq_head, struct wait_bit_queue *q, int ret = 0; for (;;) { - prepare_to_wait_exclusive(wq_head, &q->wait, mode); + prepare_to_wait_exclusive(wq_head, &q->wq_entry, mode); if (test_bit(q->key.bit_nr, q->key.flags)) { ret = action(&q->key, mode); /* @@ -466,11 +466,11 @@ __wait_on_bit_lock(struct wait_queue_head *wq_head, struct wait_bit_queue *q, * smp_mb__after_atomic() before wake_up_page(). */ if (ret) - finish_wait(wq_head, &q->wait); + finish_wait(wq_head, &q->wq_entry); } if (!test_and_set_bit(q->key.bit_nr, q->key.flags)) { if (!ret) - finish_wait(wq_head, &q->wait); + finish_wait(wq_head, &q->wq_entry); return 0; } else if (ret) { return ret; @@ -483,9 +483,9 @@ int __sched out_of_line_wait_on_bit_lock(void *word, int bit, wait_bit_action_f *action, unsigned mode) { struct wait_queue_head *wq_head = bit_waitqueue(word, bit); - DEFINE_WAIT_BIT(wait, word, bit); + DEFINE_WAIT_BIT(wq_entry, word, bit); - return __wait_on_bit_lock(wq_head, &wait, action, mode); + return __wait_on_bit_lock(wq_head, &wq_entry, action, mode); } EXPORT_SYMBOL(out_of_line_wait_on_bit_lock); @@ -538,8 +538,7 @@ static int wake_atomic_t_function(struct wait_queue_entry *wq_entry, unsigned mo void *arg) { struct wait_bit_key *key = arg; - struct wait_bit_queue *wait_bit - = container_of(wq_entry, struct wait_bit_queue, wait); + struct wait_bit_queue *wait_bit = container_of(wq_entry, struct wait_bit_queue, wq_entry); atomic_t *val = key->flags; if (wait_bit->key.flags != key->flags || @@ -562,24 +561,24 @@ int __wait_on_atomic_t(struct wait_queue_head *wq_head, struct wait_bit_queue *q int ret = 0; do { - prepare_to_wait(wq_head, &q->wait, mode); + prepare_to_wait(wq_head, &q->wq_entry, mode); val = q->key.flags; if (atomic_read(val) == 0) break; ret = (*action)(val); } while (!ret && atomic_read(val) != 0); - finish_wait(wq_head, &q->wait); + finish_wait(wq_head, &q->wq_entry); return ret; } #define DEFINE_WAIT_ATOMIC_T(name, p) \ struct wait_bit_queue name = { \ .key = __WAIT_ATOMIC_T_KEY_INITIALIZER(p), \ - .wait = { \ + .wq_entry = { \ .private = current, \ .func = wake_atomic_t_function, \ .task_list = \ - LIST_HEAD_INIT((name).wait.task_list), \ + LIST_HEAD_INIT((name).wq_entry.task_list), \ }, \ } @@ -587,9 +586,9 @@ __sched int out_of_line_wait_on_atomic_t(atomic_t *p, int (*action)(atomic_t *), unsigned mode) { struct wait_queue_head *wq_head = atomic_t_waitqueue(p); - DEFINE_WAIT_ATOMIC_T(wait, p); + DEFINE_WAIT_ATOMIC_T(wq_entry, p); - return __wait_on_atomic_t(wq_head, &wait, action, mode); + return __wait_on_atomic_t(wq_head, &wq_entry, action, mode); } EXPORT_SYMBOL(out_of_line_wait_on_atomic_t); |