Parallelize ocf_lru_populate()

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2022-01-12 22:12:58 +01:00
parent 6611b25d1e
commit 036aca41b3
3 changed files with 132 additions and 67 deletions

View File

@@ -215,14 +215,6 @@ static void __init_parts_attached(ocf_cache_t cache)
ocf_lru_init(cache, &cache->free);
}
static void __populate_free(ocf_cache_t cache)
{
uint64_t free_clines = ocf_metadata_collision_table_entries(cache) -
ocf_get_cache_occupancy(cache);
ocf_lru_populate(cache, free_clines);
}
static ocf_error_t __init_cleaning_policy(ocf_cache_t cache)
{
int i;
@@ -300,29 +292,6 @@ static void __reset_stats(ocf_cache_t cache)
}
}
static ocf_error_t init_attached_data_structures(ocf_cache_t cache)
{
ocf_error_t result;
/* Lock to ensure consistency */
ocf_metadata_init_hash_table(cache);
ocf_metadata_init_collision(cache);
__init_parts_attached(cache);
__populate_free(cache);
result = __init_cleaning_policy(cache);
if (result) {
ocf_cache_log(cache, log_err,
"Cannot initialize cleaning policy\n");
return result;
}
__setup_promotion_policy(cache);
return 0;
}
static void init_attached_data_structures_recovery(ocf_cache_t cache,
bool init_collision)
{
@@ -565,21 +534,29 @@ static inline ocf_error_t _ocf_init_cleaning_policy(ocf_cache_t cache,
return result;
}
static void _ocf_mngt_load_post_metadata_load(ocf_pipeline_t pipeline,
static void _ocf_mngt_load_rebuild_metadata(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_cache_attach_context *context = priv;
ocf_cache_t cache = context->cache;
ocf_error_t result;
int ret;
if (context->metadata.shutdown_status != ocf_metadata_clean_shutdown) {
ret = _ocf_mngt_recovery_rebuild_metadata(cache);
if (ret)
OCF_PL_FINISH_RET(pipeline, ret);
__populate_free(cache);
}
ocf_pipeline_next(pipeline);
}
static void _ocf_mngt_load_init_cleaning(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_cache_attach_context *context = priv;
ocf_cache_t cache = context->cache;
ocf_error_t result;
result = _ocf_init_cleaning_policy(cache, cache->cleaner.policy,
context->metadata.shutdown_status);
@@ -1106,16 +1083,51 @@ static void _ocf_mngt_attach_prepare_metadata(ocf_pipeline_t pipeline,
/**
* @brief initializing cache anew (not loading or recovering)
*/
static void _ocf_mngt_attach_init_instance(ocf_pipeline_t pipeline,
static void _ocf_mngt_attach_init_metadata(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_cache_attach_context *context = priv;
ocf_cache_t cache = context->cache;
ocf_metadata_init_hash_table(cache);
ocf_metadata_init_collision(cache);
__init_parts_attached(cache);
ocf_pipeline_next(pipeline);
}
static void _ocf_mngt_attach_populate_free_complete(void *priv, int error)
{
struct ocf_cache_attach_context *context = priv;
OCF_PL_NEXT_ON_SUCCESS_RET(context->pipeline, error);
}
static void _ocf_mngt_attach_populate_free(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_cache_attach_context *context = priv;
ocf_cache_t cache = context->cache;
ocf_lru_populate(cache, _ocf_mngt_attach_populate_free_complete,
context);
}
static void _ocf_mngt_attach_init_services(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_cache_attach_context *context = priv;
ocf_cache_t cache = context->cache;
ocf_error_t result;
result = init_attached_data_structures(cache);
if (result)
result = __init_cleaning_policy(cache);
if (result) {
ocf_cache_log(cache, log_err,
"Cannot initialize cleaning policy\n");
OCF_PL_FINISH_RET(pipeline, result);
}
__setup_promotion_policy(cache);
/* In initial cache state there is no dirty data, so all dirty data is
considered to be flushed
@@ -1726,7 +1738,9 @@ struct ocf_pipeline_properties _ocf_mngt_cache_attach_pipeline_properties = {
OCF_PL_STEP(_ocf_mngt_test_volume),
OCF_PL_STEP(_ocf_mngt_init_cleaner),
OCF_PL_STEP(_ocf_mngt_init_promotion),
OCF_PL_STEP(_ocf_mngt_attach_init_instance),
OCF_PL_STEP(_ocf_mngt_attach_init_metadata),
OCF_PL_STEP(_ocf_mngt_attach_populate_free),
OCF_PL_STEP(_ocf_mngt_attach_init_services),
OCF_PL_STEP(_ocf_mngt_zero_superblock),
OCF_PL_STEP(_ocf_mngt_attach_flush_metadata),
OCF_PL_STEP(_ocf_mngt_attach_discard),
@@ -1737,6 +1751,19 @@ struct ocf_pipeline_properties _ocf_mngt_cache_attach_pipeline_properties = {
},
};
static void _ocf_mngt_load_populate_free(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_cache_attach_context *context = priv;
if (context->metadata.shutdown_status != ocf_metadata_clean_shutdown) {
_ocf_mngt_attach_populate_free(pipeline, priv, arg);
return;
}
ocf_pipeline_next(pipeline);
}
struct ocf_pipeline_properties _ocf_mngt_cache_load_pipeline_properties = {
.priv_size = sizeof(struct ocf_cache_attach_context),
.finish = _ocf_mngt_cache_attach_finish,
@@ -1754,7 +1781,9 @@ struct ocf_pipeline_properties _ocf_mngt_cache_load_pipeline_properties = {
OCF_PL_STEP(_ocf_mngt_init_promotion),
OCF_PL_STEP(_ocf_mngt_load_add_cores),
OCF_PL_STEP(_ocf_mngt_load_metadata),
OCF_PL_STEP(_ocf_mngt_load_post_metadata_load),
OCF_PL_STEP(_ocf_mngt_load_rebuild_metadata),
OCF_PL_STEP(_ocf_mngt_load_populate_free),
OCF_PL_STEP(_ocf_mngt_load_init_cleaning),
OCF_PL_STEP(_ocf_mngt_attach_shutdown_status),
OCF_PL_STEP(_ocf_mngt_attach_flush_metadata),
OCF_PL_STEP(_ocf_mngt_attach_shutdown_status),
@@ -2096,7 +2125,6 @@ static void _ocf_mngt_standby_init_structures_attach(ocf_pipeline_t pipeline,
ocf_cache_t cache = context->cache;
init_attached_data_structures_recovery(cache, true);
__populate_free(cache);
ocf_pipeline_next(pipeline);
}
@@ -2136,23 +2164,6 @@ static void _ocf_mngt_standby_recovery(ocf_pipeline_t pipeline,
ret = _ocf_mngt_recovery_rebuild_metadata(cache);
if (ret)
OCF_PL_FINISH_RET(pipeline, ret);
__populate_free(cache);
ocf_pipeline_next(pipeline);
}
static void _ocf_mngt_standby_init_cleaning(ocf_pipeline_t pipeline,
void *priv, ocf_pipeline_arg_t arg)
{
struct ocf_cache_attach_context *context = priv;
ocf_cache_t cache = context->cache;
ocf_error_t result;
result = _ocf_init_cleaning_policy(cache, cache->cleaner.policy,
context->metadata.shutdown_status);
if (result)
OCF_PL_FINISH_RET(pipeline, result);
ocf_pipeline_next(pipeline);
}
@@ -2183,7 +2194,8 @@ struct ocf_pipeline_properties _ocf_mngt_cache_standby_attach_pipeline_propertie
OCF_PL_STEP(_ocf_mngt_test_volume),
OCF_PL_STEP(_ocf_mngt_init_cleaner),
OCF_PL_STEP(_ocf_mngt_standby_init_structures_attach),
OCF_PL_STEP(_ocf_mngt_standby_init_cleaning),
OCF_PL_STEP(_ocf_mngt_attach_populate_free),
OCF_PL_STEP(_ocf_mngt_load_init_cleaning),
OCF_PL_STEP(_ocf_mngt_standby_preapre_mempool),
OCF_PL_STEP(_ocf_mngt_standby_init_pio_concurrency),
OCF_PL_STEP(_ocf_mngt_zero_superblock),
@@ -2211,10 +2223,11 @@ struct ocf_pipeline_properties _ocf_mngt_cache_standby_load_pipeline_properties
OCF_PL_STEP(_ocf_mngt_load_metadata_recovery),
OCF_PL_STEP(_ocf_mngt_init_cleaner),
OCF_PL_STEP(_ocf_mngt_standby_init_structures_load),
OCF_PL_STEP(_ocf_mngt_standby_init_cleaning),
OCF_PL_STEP(_ocf_mngt_load_init_cleaning),
OCF_PL_STEP(_ocf_mngt_standby_preapre_mempool),
OCF_PL_STEP(_ocf_mngt_standby_init_pio_concurrency),
OCF_PL_STEP(_ocf_mngt_standby_recovery),
OCF_PL_STEP(_ocf_mngt_attach_populate_free),
OCF_PL_STEP(_ocf_mngt_standby_post_init),
OCF_PL_STEP_TERMINATOR(),
},