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Eliminate queue -> cache mapping

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Eliminate need to resolve cache based on the queue. This allows to share
the queue between cache instances. The queue still holds pointer to
a cache that owns the queue, but no management or io path relies on the
queue -> cache mapping.

Signed-off-by: Robert Baldyga <robert.baldyga@huawei.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@huawei.com>
This commit is contained in:
Robert Baldyga
2024-02-19 22:25:57 +01:00
committed by Michal Mielewczyk
parent 460cd461d3
commit 8b93b699c3
11 changed files with 98 additions and 32 deletions
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13
src/ocf_queue.c
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@@ -126,6 +126,11 @@ int ocf_queue_create_mngt(ocf_cache_t cache, ocf_queue_t *queue,
return 0;
}
bool ocf_queue_is_mngt(ocf_queue_t queue)
{
return queue == queue->cache->mngt_queue;
}
void ocf_queue_get(ocf_queue_t queue)
{
OCF_CHECK_NULL(queue);
@@ -144,7 +149,7 @@ void ocf_queue_put(ocf_queue_t queue)
return;
queue->ops->stop(queue);
if (queue != queue->cache->mngt_queue) {
if (!ocf_queue_is_mngt(queue)) {
env_spinlock_lock_irqsave(&cache->io_queues_lock, flags);
list_del(&queue->list);
env_spinlock_unlock_irqrestore(&cache->io_queues_lock, flags);
@@ -247,12 +252,6 @@ uint32_t ocf_queue_pending_io(ocf_queue_t q)
return env_atomic_read(&q->io_no);
}
ocf_cache_t ocf_queue_get_cache(ocf_queue_t q)
{
OCF_CHECK_NULL(q);
return q->cache;
}
void ocf_queue_push_req(struct ocf_request *req, uint flags)
{
ocf_cache_t cache = req->cache;