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Dynamic I/O queue management

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- 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
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12
src/engine/cache_engine.c
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@@ -106,8 +106,7 @@ const struct ocf_io_if *ocf_get_io_if(ocf_req_cache_mode_t req_cache_mode)
return cache_mode_io_if_map[req_cache_mode];
}
struct ocf_request *ocf_engine_pop_req(struct ocf_cache *cache,
struct ocf_queue *q)
struct ocf_request *ocf_engine_pop_req(ocf_cache_t cache, ocf_queue_t q)
{
unsigned long lock_flags = 0;
struct ocf_request *req;
@@ -263,6 +262,7 @@ int ocf_engine_hndl_fast_req(struct ocf_request *req,
ocf_req_cache_mode_t req_cache_mode)
{
const struct ocf_io_if *io_if;
int ret;
io_if = ocf_get_io_if(req_cache_mode);
if (!io_if)
@@ -270,12 +270,16 @@ int ocf_engine_hndl_fast_req(struct ocf_request *req,
switch (req->rw) {
case OCF_READ:
return io_if->read(req);
ret = io_if->read(req);
break;
case OCF_WRITE:
return io_if->write(req);
ret = io_if->write(req);
break;
default:
return OCF_FAST_PATH_NO;
}
return ret;
}
static void ocf_engine_hndl_2dc_req(struct ocf_request *req)