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Async wait for cleaner completion

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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2019-04-11 13:16:16 -04:00
parent 0e15c693fd
commit 348b0f9ab8
7 changed files with 281 additions and 144 deletions
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52
src/eviction/lru.c
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@@ -273,9 +273,9 @@ void evp_lru_rm_cline(ocf_cache_t cache, ocf_cache_line_t cline)
static void evp_lru_clean_end(void *private_data, int error)
{
env_atomic *cleaning_in_progress = private_data;
struct ocf_refcnt *counter = private_data;
env_atomic_set(cleaning_in_progress, 0);
ocf_refcnt_dec(counter);
}
static int evp_lru_clean_getter(ocf_cache_t cache,
@@ -309,32 +309,40 @@ static int evp_lru_clean_getter(ocf_cache_t cache,
static void evp_lru_clean(ocf_cache_t cache, ocf_queue_t io_queue,
ocf_part_id_t part_id, uint32_t count)
{
env_atomic *progress = &cache->cleaning[part_id];
struct ocf_refcnt *counter = &cache->refcnt.cleaning[part_id];
struct ocf_user_part *part = &cache->user_parts[part_id];
struct ocf_cleaner_attribs attribs = {
.cache_line_lock = true,
.do_sort = true,
.cmpl_context = counter,
.cmpl_fn = evp_lru_clean_end,
.getter = evp_lru_clean_getter,
.getter_context = &attribs,
.getter_item = part->runtime->eviction.policy.lru.dirty_tail,
.count = count > 32 ? 32 : count,
.io_queue = io_queue
};
int cnt;
if (ocf_mngt_is_cache_locked(cache))
return;
if (env_atomic_cmpxchg(progress, 0, 1) == 0) {
/* Initialize attributes for cleaner */
struct ocf_cleaner_attribs attribs = {
.cache_line_lock = true,
.do_sort = true,
.cmpl_context = progress,
.cmpl_fn = evp_lru_clean_end,
.getter = evp_lru_clean_getter,
.getter_context = &attribs,
.getter_item = part->runtime->eviction.policy.lru.dirty_tail,
.count = count > 32 ? 32 : count,
.io_queue = io_queue
};
ocf_cleaner_fire(cache, &attribs);
cnt = ocf_refcnt_inc(counter);
if (!cnt) {
/* cleaner disabled by mngmt operation */
return;
}
if (cnt > 1) {
/* cleaning already running for this partition */
ocf_refcnt_dec(counter);
return;
}
ocf_cleaner_fire(cache, &attribs);
}
static void evp_lru_zero_line_complete(struct ocf_request *ocf_req, int error)