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block: remove the queue_lock indirection

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With the legacy request path gone there is no good reason to keep
queue_lock as a pointer, we can always use the embedded lock now.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

Fixed floppy and blk-cgroup missing conversions and half done edits.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2018-11-15 12:17:28 -07:00
committed by Jens Axboe
parent 6d46964230
commit 0d945c1f96
16 changed files with 92 additions and 106 deletions
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14
block/blk-ioc.c
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@@ -110,9 +110,9 @@ static void ioc_release_fn(struct work_struct *work)
struct io_cq, ioc_node);
struct request_queue *q = icq->q;
if (spin_trylock(q->queue_lock)) {
if (spin_trylock(&q->queue_lock)) {
ioc_destroy_icq(icq);
spin_unlock(q->queue_lock);
spin_unlock(&q->queue_lock);
} else {
spin_unlock_irqrestore(&ioc->lock, flags);
cpu_relax();
@@ -233,9 +233,9 @@ void ioc_clear_queue(struct request_queue *q)
{
LIST_HEAD(icq_list);
spin_lock_irq(q->queue_lock);
spin_lock_irq(&q->queue_lock);
list_splice_init(&q->icq_list, &icq_list);
spin_unlock_irq(q->queue_lock);
spin_unlock_irq(&q->queue_lock);
__ioc_clear_queue(&icq_list);
}
@@ -326,7 +326,7 @@ struct io_cq *ioc_lookup_icq(struct io_context *ioc, struct request_queue *q)
{
struct io_cq *icq;
lockdep_assert_held(q->queue_lock);
lockdep_assert_held(&q->queue_lock);
/*
* icq's are indexed from @ioc using radix tree and hint pointer,
@@ -385,7 +385,7 @@ struct io_cq *ioc_create_icq(struct io_context *ioc, struct request_queue *q,
INIT_HLIST_NODE(&icq->ioc_node);
/* lock both q and ioc and try to link @icq */
spin_lock_irq(q->queue_lock);
spin_lock_irq(&q->queue_lock);
spin_lock(&ioc->lock);
if (likely(!radix_tree_insert(&ioc->icq_tree, q->id, icq))) {
@@ -401,7 +401,7 @@ struct io_cq *ioc_create_icq(struct io_context *ioc, struct request_queue *q,
}
spin_unlock(&ioc->lock);
spin_unlock_irq(q->queue_lock);
spin_unlock_irq(&q->queue_lock);
radix_tree_preload_end();
return icq;
}