diff options
Diffstat (limited to 'block/kyber-iosched.c')
| -rw-r--r-- | block/kyber-iosched.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c index de78e8aa7b0a..ec6a04e01bc1 100644 --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -195,7 +195,7 @@ struct kyber_hctx_data { unsigned int batching; struct kyber_ctx_queue *kcqs; struct sbitmap kcq_map[KYBER_NUM_DOMAINS]; - wait_queue_entry_t domain_wait[KYBER_NUM_DOMAINS]; + struct sbq_wait domain_wait[KYBER_NUM_DOMAINS]; struct sbq_wait_state *domain_ws[KYBER_NUM_DOMAINS]; atomic_t wait_index[KYBER_NUM_DOMAINS]; }; @@ -501,10 +501,11 @@ static int kyber_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx) for (i = 0; i < KYBER_NUM_DOMAINS; i++) { INIT_LIST_HEAD(&khd->rqs[i]); - init_waitqueue_func_entry(&khd->domain_wait[i], + khd->domain_wait[i].sbq = NULL; + init_waitqueue_func_entry(&khd->domain_wait[i].wait, kyber_domain_wake); - khd->domain_wait[i].private = hctx; - INIT_LIST_HEAD(&khd->domain_wait[i].entry); + khd->domain_wait[i].wait.private = hctx; + INIT_LIST_HEAD(&khd->domain_wait[i].wait.entry); atomic_set(&khd->wait_index[i], 0); } @@ -698,12 +699,13 @@ static void kyber_flush_busy_kcqs(struct kyber_hctx_data *khd, flush_busy_kcq, &data); } -static int kyber_domain_wake(wait_queue_entry_t *wait, unsigned mode, int flags, +static int kyber_domain_wake(wait_queue_entry_t *wqe, unsigned mode, int flags, void *key) { - struct blk_mq_hw_ctx *hctx = READ_ONCE(wait->private); + struct blk_mq_hw_ctx *hctx = READ_ONCE(wqe->private); + struct sbq_wait *wait = container_of(wqe, struct sbq_wait, wait); - list_del_init(&wait->entry); + sbitmap_del_wait_queue(wait); blk_mq_run_hw_queue(hctx, true); return 1; } @@ -714,7 +716,7 @@ static int kyber_get_domain_token(struct kyber_queue_data *kqd, { unsigned int sched_domain = khd->cur_domain; struct sbitmap_queue *domain_tokens = &kqd->domain_tokens[sched_domain]; - wait_queue_entry_t *wait = &khd->domain_wait[sched_domain]; + struct sbq_wait *wait = &khd->domain_wait[sched_domain]; struct sbq_wait_state *ws; int nr; @@ -725,11 +727,11 @@ static int kyber_get_domain_token(struct kyber_queue_data *kqd, * run when one becomes available. Note that this is serialized on * khd->lock, but we still need to be careful about the waker. */ - if (nr < 0 && list_empty_careful(&wait->entry)) { + if (nr < 0 && list_empty_careful(&wait->wait.entry)) { ws = sbq_wait_ptr(domain_tokens, &khd->wait_index[sched_domain]); khd->domain_ws[sched_domain] = ws; - add_wait_queue(&ws->wait, wait); + sbitmap_add_wait_queue(domain_tokens, ws, wait); /* * Try again in case a token was freed before we got on the wait @@ -745,10 +747,10 @@ static int kyber_get_domain_token(struct kyber_queue_data *kqd, * between the !list_empty_careful() check and us grabbing the lock, but * list_del_init() is okay with that. */ - if (nr >= 0 && !list_empty_careful(&wait->entry)) { + if (nr >= 0 && !list_empty_careful(&wait->wait.entry)) { ws = khd->domain_ws[sched_domain]; spin_lock_irq(&ws->wait.lock); - list_del_init(&wait->entry); + sbitmap_del_wait_queue(wait); spin_unlock_irq(&ws->wait.lock); } @@ -951,7 +953,7 @@ static int kyber_##name##_waiting_show(void *data, struct seq_file *m) \ { \ struct blk_mq_hw_ctx *hctx = data; \ struct kyber_hctx_data *khd = hctx->sched_data; \ - wait_queue_entry_t *wait = &khd->domain_wait[domain]; \ + wait_queue_entry_t *wait = &khd->domain_wait[domain].wait; \ \ seq_printf(m, "%d\n", !list_empty_careful(&wait->entry)); \ return 0; \ |