}
EXPORT_SYMBOL_GPL(blk_queue_bypass_end);
+void blk_set_queue_dying(struct request_queue *q)
+{
+ queue_flag_set_unlocked(QUEUE_FLAG_DYING, q);
+
+ if (q->mq_ops)
+ blk_mq_wake_waiters(q);
+ else {
+ struct request_list *rl;
+
+ blk_queue_for_each_rl(rl, q) {
+ if (rl->rq_pool) {
+ wake_up(&rl->wait[BLK_RW_SYNC]);
+ wake_up(&rl->wait[BLK_RW_ASYNC]);
+ }
+ }
+ }
+}
+EXPORT_SYMBOL_GPL(blk_set_queue_dying);
+
/**
* blk_cleanup_queue - shutdown a request queue
* @q: request queue to shutdown
/* mark @q DYING, no new request or merges will be allowed afterwards */
mutex_lock(&q->sysfs_lock);
- queue_flag_set_unlocked(QUEUE_FLAG_DYING, q);
+ blk_set_queue_dying(q);
spin_lock_irq(lock);
/*
q->backing_dev_info.ra_pages =
(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
q->backing_dev_info.state = 0;
- q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
+ q->backing_dev_info.capabilities = 0;
q->backing_dev_info.name = "block";
q->node = node_id;
should_fail_request(&rq->rq_disk->part0, blk_rq_bytes(rq)))
return -EIO;
+ if (q->mq_ops) {
+ if (blk_queue_io_stat(q))
+ blk_account_io_start(rq, true);
+ blk_mq_insert_request(rq, false, true, true);
+ return 0;
+ }
+
spin_lock_irqsave(q->queue_lock, flags);
if (unlikely(blk_queue_dying(q))) {
spin_unlock_irqrestore(q->queue_lock, flags);
static void __blk_rq_prep_clone(struct request *dst, struct request *src)
{
dst->cpu = src->cpu;
- dst->cmd_flags = (src->cmd_flags & REQ_CLONE_MASK) | REQ_NOMERGE;
+ dst->cmd_flags |= (src->cmd_flags & REQ_CLONE_MASK) | REQ_NOMERGE;
dst->cmd_type = src->cmd_type;
dst->__sector = blk_rq_pos(src);
dst->__data_len = blk_rq_bytes(src);
if (!bs)
bs = fs_bio_set;
- blk_rq_init(NULL, rq);
-
__rq_for_each_bio(bio_src, rq_src) {
bio = bio_clone_fast(bio_src, gfp_mask, bs);
if (!bio)