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Remove functions to wait for cache pending requests

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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski 2019-04-19 12:12:20 -04:00
parent 92e9ae12f1
commit 962f9d17d1
5 changed files with 0 additions and 56 deletions
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14
inc/ocf_cache.h
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@ -160,20 +160,6 @@ bool ocf_cache_is_device_attached(ocf_cache_t cache);
*/
bool ocf_cache_is_running(ocf_cache_t cache);
/**
* @brief Wait for all IO to finish
*
* @param[in] cache Cache object
*/
void ocf_cache_wait_for_io_finish(ocf_cache_t cache);
/**
* @brief Check if cache has any unfunished requests
*
* @param[in] cache Cache object
*/
bool ocf_cache_has_pending_requests(ocf_cache_t cache);
/**
* @brief Check if cleaning triggered by eviction runs on the cache
*

20
src/ocf_cache.c
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@ -53,26 +53,6 @@ bool ocf_cache_is_device_attached(ocf_cache_t cache)
return !ocf_refcnt_frozen(&cache->refcnt.metadata);
}
void ocf_cache_wait_for_io_finish(ocf_cache_t cache)
{
uint32_t req_active = 0;
OCF_CHECK_NULL(cache);
do {
req_active = ocf_req_get_allocated(cache);
if (req_active)
env_msleep(500);
} while (req_active);
}
bool ocf_cache_has_pending_requests(ocf_cache_t cache)
{
OCF_CHECK_NULL(cache);
return ocf_req_get_allocated(cache) > 0;
}
/*
* This is temporary workaround allowing to check if cleaning triggered
* by eviction policy is running on the cache. This information is needed

2
src/ocf_cache_priv.h
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@ -168,8 +168,6 @@ struct ocf_cache {
char name[OCF_CACHE_NAME_SIZE];
env_atomic pending_requests;
struct {
struct ocf_refcnt dirty;
struct ocf_refcnt metadata;

11
src/utils/utils_req.c
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@ -191,9 +191,6 @@ struct ocf_request *ocf_req_new(ocf_queue_t queue, ocf_core_t core,
req->core_id = core ? ocf_core_get_id(core) : 0;
req->cache = cache;
if (queue != cache->mngt_queue)
env_atomic_inc(&cache->pending_requests);
req->d2c = (queue != cache->mngt_queue) && !ocf_refcnt_inc(
&cache->refcnt.metadata);
@ -278,9 +275,6 @@ void ocf_req_put(struct ocf_request *req)
if (!req->d2c && req->io_queue != req->cache->mngt_queue)
ocf_refcnt_dec(&req->cache->refcnt.metadata);
if (req->io_queue != req->cache->mngt_queue)
env_atomic_dec(&req->cache->pending_requests);
allocator = _ocf_req_get_allocator(req->cache,
req->alloc_core_line_count);
if (allocator) {
@ -302,8 +296,3 @@ void ocf_req_clear_map(struct ocf_request *req)
ENV_BUG_ON(env_memset(req->map,
sizeof(req->map[0]) * req->core_line_count, 0));
}
uint32_t ocf_req_get_allocated(struct ocf_cache *cache)
{
return env_atomic_read(&cache->pending_requests);
}

9
src/utils/utils_req.h
View File

@ -83,15 +83,6 @@ struct ocf_request *ocf_req_new_extended(ocf_queue_t queue, ocf_core_t core,
struct ocf_request *ocf_req_new_discard(ocf_queue_t queue, ocf_core_t core,
uint64_t addr, uint32_t bytes, int rw);
/**
* @brief Get number of allocated requests
*
* @param cache OCF cache instance
*
* @return Number of allocated requests
*/
uint32_t ocf_req_get_allocated(struct ocf_cache *cache);
/**
* @brief Increment OCF request reference count
*