diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-vdo/block-map.c | 7 | ||||
| -rw-r--r-- | drivers/md/dm-vdo/data-vio.c | 2 | ||||
| -rw-r--r-- | drivers/md/dm-vdo/dedupe.c | 4 | ||||
| -rw-r--r-- | drivers/md/dm-vdo/flush.c | 4 | ||||
| -rw-r--r-- | drivers/md/dm-vdo/recovery-journal.c | 2 | ||||
| -rw-r--r-- | drivers/md/dm-vdo/wait-queue.c | 18 | ||||
| -rw-r--r-- | drivers/md/dm-vdo/wait-queue.h | 4 |
7 files changed, 20 insertions, 21 deletions
diff --git a/drivers/md/dm-vdo/block-map.c b/drivers/md/dm-vdo/block-map.c index 7f9c4bc05f02..c5cb9da5d33e 100644 --- a/drivers/md/dm-vdo/block-map.c +++ b/drivers/md/dm-vdo/block-map.c @@ -913,7 +913,7 @@ static void allocate_free_page(struct page_info *info) /* * Remove all entries which match the page number in question and push them onto the page - * info's wait queue. + * info's waitq. */ vdo_waitq_dequeue_matching_waiters(&cache->free_waiters, completion_needs_page, &pbn, &info->waiting); @@ -1593,9 +1593,8 @@ static void finish_page_write(struct vdo_completion *completion) enqueue_page(page, zone); } else if ((zone->flusher == NULL) && vdo_waitq_has_waiters(&zone->flush_waiters) && attempt_increment(zone)) { - zone->flusher = - container_of(vdo_waitq_dequeue_next_waiter(&zone->flush_waiters), - struct tree_page, waiter); + zone->flusher = container_of(vdo_waitq_dequeue_waiter(&zone->flush_waiters), + struct tree_page, waiter); write_page(zone->flusher, pooled); return; } diff --git a/drivers/md/dm-vdo/data-vio.c b/drivers/md/dm-vdo/data-vio.c index 821155ca3761..711396e7a77d 100644 --- a/drivers/md/dm-vdo/data-vio.c +++ b/drivers/md/dm-vdo/data-vio.c @@ -1191,7 +1191,7 @@ static void transfer_lock(struct data_vio *data_vio, struct lbn_lock *lock) /* Another data_vio is waiting for the lock, transfer it in a single lock map operation. */ next_lock_holder = - vdo_waiter_as_data_vio(vdo_waitq_dequeue_next_waiter(&lock->waiters)); + vdo_waiter_as_data_vio(vdo_waitq_dequeue_waiter(&lock->waiters)); /* Transfer the remaining lock waiters to the next lock holder. */ vdo_waitq_transfer_all_waiters(&lock->waiters, diff --git a/drivers/md/dm-vdo/dedupe.c b/drivers/md/dm-vdo/dedupe.c index 02e36896ca3c..f882d56581dc 100644 --- a/drivers/md/dm-vdo/dedupe.c +++ b/drivers/md/dm-vdo/dedupe.c @@ -413,14 +413,14 @@ static void set_duplicate_lock(struct hash_lock *hash_lock, struct pbn_lock *pbn } /** - * dequeue_lock_waiter() - Remove the first data_vio from the lock's wait queue and return it. + * dequeue_lock_waiter() - Remove the first data_vio from the lock's waitq and return it. * @lock: The lock containing the wait queue. * * Return: The first (oldest) waiter in the queue, or NULL if the queue is empty. */ static inline struct data_vio *dequeue_lock_waiter(struct hash_lock *lock) { - return vdo_waiter_as_data_vio(vdo_waitq_dequeue_next_waiter(&lock->waiters)); + return vdo_waiter_as_data_vio(vdo_waitq_dequeue_waiter(&lock->waiters)); } /** diff --git a/drivers/md/dm-vdo/flush.c b/drivers/md/dm-vdo/flush.c index e7195c677773..a6eeb425d721 100644 --- a/drivers/md/dm-vdo/flush.c +++ b/drivers/md/dm-vdo/flush.c @@ -196,7 +196,7 @@ static void finish_notification(struct vdo_completion *completion) assert_on_flusher_thread(flusher, __func__); vdo_waitq_enqueue_waiter(&flusher->pending_flushes, - vdo_waitq_dequeue_next_waiter(&flusher->notifiers)); + vdo_waitq_dequeue_waiter(&flusher->notifiers)); vdo_complete_flushes(flusher); if (vdo_waitq_has_waiters(&flusher->notifiers)) notify_flush(flusher); @@ -335,7 +335,7 @@ void vdo_complete_flushes(struct flusher *flusher) "acknowledged next expected flush, %llu, was: %llu", (unsigned long long) flusher->first_unacknowledged_generation, (unsigned long long) flush->flush_generation); - vdo_waitq_dequeue_next_waiter(&flusher->pending_flushes); + vdo_waitq_dequeue_waiter(&flusher->pending_flushes); vdo_complete_flush(flush); flusher->first_unacknowledged_generation++; } diff --git a/drivers/md/dm-vdo/recovery-journal.c b/drivers/md/dm-vdo/recovery-journal.c index 5126e670e97e..a6981e5dd017 100644 --- a/drivers/md/dm-vdo/recovery-journal.c +++ b/drivers/md/dm-vdo/recovery-journal.c @@ -1332,7 +1332,7 @@ static void add_queued_recovery_entries(struct recovery_journal_block *block) { while (vdo_waitq_has_waiters(&block->entry_waiters)) { struct data_vio *data_vio = - vdo_waiter_as_data_vio(vdo_waitq_dequeue_next_waiter(&block->entry_waiters)); + vdo_waiter_as_data_vio(vdo_waitq_dequeue_waiter(&block->entry_waiters)); struct tree_lock *lock = &data_vio->tree_lock; struct packed_recovery_journal_entry *packed_entry; struct recovery_journal_entry new_entry; diff --git a/drivers/md/dm-vdo/wait-queue.c b/drivers/md/dm-vdo/wait-queue.c index 7e4cf9f03249..6e1e739277ef 100644 --- a/drivers/md/dm-vdo/wait-queue.c +++ b/drivers/md/dm-vdo/wait-queue.c @@ -135,7 +135,7 @@ void vdo_waitq_dequeue_matching_waiters(struct vdo_wait_queue *waitq, vdo_waitq_transfer_all_waiters(waitq, &iteration_waitq); while (vdo_waitq_has_waiters(&iteration_waitq)) { - struct vdo_waiter *waiter = vdo_waitq_dequeue_next_waiter(&iteration_waitq); + struct vdo_waiter *waiter = vdo_waitq_dequeue_waiter(&iteration_waitq); vdo_waitq_enqueue_waiter((waiter_match(waiter, match_context) ? matched_waitq : waitq), waiter); @@ -143,15 +143,15 @@ void vdo_waitq_dequeue_matching_waiters(struct vdo_wait_queue *waitq, } /** - * vdo_waitq_dequeue_next_waiter() - Remove the first waiter from the head end of a waitq. + * vdo_waitq_dequeue_waiter() - Remove the first (oldest) waiter from a waitq. * @waitq: The vdo_wait_queue from which to remove the first entry. * - * The caller will be responsible for waking the waiter by invoking the correct callback function - * to resume its execution. + * The caller will be responsible for waking the waiter by continuing its + * execution appropriately. * * Return: The first (oldest) waiter in the waitq, or NULL if the waitq is empty. */ -struct vdo_waiter *vdo_waitq_dequeue_next_waiter(struct vdo_wait_queue *waitq) +struct vdo_waiter *vdo_waitq_dequeue_waiter(struct vdo_wait_queue *waitq) { struct vdo_waiter *first_waiter = vdo_waitq_get_first_waiter(waitq); struct vdo_waiter *last_waiter = waitq->last_waiter; @@ -160,12 +160,12 @@ struct vdo_waiter *vdo_waitq_dequeue_next_waiter(struct vdo_wait_queue *waitq) return NULL; if (first_waiter == last_waiter) { - /* The waitq has a single entry, so just empty it out by nulling the tail. */ + /* The waitq has a single entry, so empty it by nulling the tail. */ waitq->last_waiter = NULL; } else { /* - * The waitq has more than one entry, so splice the first waiter out of the - * circular waitq. + * The waitq has multiple waiters, so splice the first waiter out + * of the circular waitq. */ last_waiter->next_waiter = first_waiter->next_waiter; } @@ -192,7 +192,7 @@ struct vdo_waiter *vdo_waitq_dequeue_next_waiter(struct vdo_wait_queue *waitq) bool vdo_waitq_notify_next_waiter(struct vdo_wait_queue *waitq, vdo_waiter_callback_fn callback, void *context) { - struct vdo_waiter *waiter = vdo_waitq_dequeue_next_waiter(waitq); + struct vdo_waiter *waiter = vdo_waitq_dequeue_waiter(waitq); if (waiter == NULL) return false; diff --git a/drivers/md/dm-vdo/wait-queue.h b/drivers/md/dm-vdo/wait-queue.h index e514bdcf7d32..7e8ee6afe7c7 100644 --- a/drivers/md/dm-vdo/wait-queue.h +++ b/drivers/md/dm-vdo/wait-queue.h @@ -106,6 +106,8 @@ static inline bool __must_check vdo_waitq_has_waiters(const struct vdo_wait_queu void vdo_waitq_enqueue_waiter(struct vdo_wait_queue *waitq, struct vdo_waiter *waiter); +struct vdo_waiter *vdo_waitq_dequeue_waiter(struct vdo_wait_queue *waitq); + void vdo_waitq_notify_all_waiters(struct vdo_wait_queue *waitq, vdo_waiter_callback_fn callback, void *context); @@ -122,8 +124,6 @@ void vdo_waitq_dequeue_matching_waiters(struct vdo_wait_queue *waitq, void *match_context, struct vdo_wait_queue *matched_waitq); -struct vdo_waiter *vdo_waitq_dequeue_next_waiter(struct vdo_wait_queue *waitq); - /** * vdo_waitq_num_waiters() - Return the number of waiters in a vdo_wait_queue. * @waitq: The vdo_wait_queue to query. |