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Per-queue multi-stream sequential cutoff

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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2020-12-28 16:46:22 +01:00
parent ac9bd5b094
commit 3ee253cc4e
13 changed files with 354 additions and 60 deletions
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61
src/mngt/ocf_mngt_core.c
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@@ -451,6 +451,8 @@ static void ocf_mngt_cache_add_core_insert(ocf_pipeline_t pipeline,
ocf_seq_cutoff_policy_default);
env_atomic_set(&core->conf_meta->seq_cutoff_threshold,
cfg->seq_cutoff_threshold);
env_atomic_set(&core->conf_meta->seq_cutoff_promo_count,
cfg->seq_cutoff_promotion_count);
/* Add core sequence number for atomic metadata matching */
core_sequence_no = _ocf_mngt_get_core_seq_no(cache);
@@ -1016,3 +1018,62 @@ int ocf_mngt_core_get_seq_cutoff_policy(ocf_core_t core,
return 0;
}
static int _cache_mngt_set_core_seq_cutoff_promo_count(ocf_core_t core,
void *cntx)
{
uint32_t count = *(uint32_t*) cntx;
uint32_t count_old = ocf_core_get_seq_cutoff_promotion_count(core);
if (count < OCF_SEQ_CUTOFF_MIN_PROMOTION_COUNT ||
count > OCF_SEQ_CUTOFF_MAX_PROMOTION_COUNT) {
ocf_core_log(core, log_info,
"Invalid sequential cutoff promotion count!\n");
return -OCF_ERR_INVAL;
}
if (count_old == count) {
ocf_core_log(core, log_info,
"Sequential cutoff promotion count %u "
"bytes is already set\n", count);
return 0;
}
env_atomic_set(&core->conf_meta->seq_cutoff_promo_count, count);
ocf_core_log(core, log_info, "Changing sequential cutoff promotion"
"count from %u to %u bytes successful\n",
count_old, count);
return 0;
}
int ocf_mngt_core_set_seq_cutoff_promotion_count(ocf_core_t core,
uint32_t count)
{
OCF_CHECK_NULL(core);
return _cache_mngt_set_core_seq_cutoff_promo_count(core, &count);
}
int ocf_mngt_core_set_seq_cutoff_promotion_count_all(ocf_cache_t cache,
uint32_t count)
{
OCF_CHECK_NULL(cache);
return ocf_core_visit(cache,
_cache_mngt_set_core_seq_cutoff_promo_count,
&count, true);
}
int ocf_mngt_core_get_seq_cutoff_promotion_count(ocf_core_t core,
uint32_t *count)
{
OCF_CHECK_NULL(core);
OCF_CHECK_NULL(count);
*count = ocf_core_get_seq_cutoff_promotion_count(core);
return 0;
}