github/ocf
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Dynamic I/O queue management

Browse Source 
- Queue allocation is now separated from starting cache.
- Queue can be created and destroyed in runtime.
- All queue ops accept queue handle instead of queue id.
- Cache stores queues as list instead of array.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Michal Mielewczyk
2019-02-15 08:12:00 -05:00
committed by Robert Baldyga
parent 1771228a46
commit e53944d472
38 changed files with 379 additions and 445 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/engine/engine_common.c
View File

@@ -117,7 +117,7 @@ void ocf_engine_update_req_info(struct ocf_cache *cache,
req->info.dirty_any++;
/* Check if cache line is fully dirty */
if (metadata_test_dirty_sec(cache, _entry->coll_idx,
if (metadata_test_dirty_sec(cache, _entry->coll_idx,
start_sector, end_sector))
req->info.dirty_all++;
}
@@ -488,14 +488,14 @@ void ocf_engine_update_request_stats(struct ocf_request *req)
void ocf_engine_push_req_back(struct ocf_request *req, bool allow_sync)
{
struct ocf_cache *cache = req->cache;
struct ocf_queue *q = NULL;
ocf_cache_t cache = req->cache;
ocf_queue_t q = NULL;
unsigned long lock_flags = 0;
INIT_LIST_HEAD(&req->list);
ENV_BUG_ON(req->io_queue >= cache->io_queues_no);
q = &cache->io_queues[req->io_queue];
ENV_BUG_ON(!req->io_queue);
q = req->io_queue;
env_spinlock_lock_irqsave(&q->io_list_lock, lock_flags);
@@ -508,19 +508,18 @@ void ocf_engine_push_req_back(struct ocf_request *req, bool allow_sync)
env_atomic_set(&cache->last_access_ms,
env_ticks_to_msecs(env_get_tick_count()));
ctx_queue_kick(cache->owner, q, allow_sync);
ocf_queue_kick(q, allow_sync);
}
void ocf_engine_push_req_front(struct ocf_request *req, bool allow_sync)
{
struct ocf_cache *cache = req->cache;
struct ocf_queue *q = NULL;
ocf_cache_t cache = req->cache;
ocf_queue_t q = NULL;
unsigned long lock_flags = 0;
INIT_LIST_HEAD(&req->list);
ENV_BUG_ON(req->io_queue >= cache->io_queues_no);
q = &cache->io_queues[req->io_queue];
q = req->io_queue;
env_spinlock_lock_irqsave(&q->io_list_lock, lock_flags);
@@ -533,7 +532,7 @@ void ocf_engine_push_req_front(struct ocf_request *req, bool allow_sync)
env_atomic_set(&cache->last_access_ms,
env_ticks_to_msecs(env_get_tick_count()));
ctx_queue_kick(cache->owner, q, allow_sync);
ocf_queue_kick(q, allow_sync);
}
void ocf_engine_push_req_front_if(struct ocf_request *req,