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Make management API asynchronous

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NOTE: This patch only changes API that pretends to be asynchronous.
Most of management operations are still performed synchronously.
The real asynchronism will be introduced in the next patches.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2019-03-01 15:52:59 +01:00
parent e21b617841
commit c5df82f2cb
11 changed files with 566 additions and 547 deletions
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92
src/ocf_core.c
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@@ -97,44 +97,6 @@ int ocf_core_get(ocf_cache_t cache, ocf_core_id_t id, ocf_core_t *core)
return 0;
}
int ocf_core_set_uuid(ocf_core_t core, const struct ocf_volume_uuid *uuid)
{
struct ocf_cache *cache;
struct ocf_volume_uuid *current_uuid;
int result;
int diff;
OCF_CHECK_NULL(core);
OCF_CHECK_NULL(uuid);
OCF_CHECK_NULL(uuid->data);
cache = core->volume.cache;
current_uuid = &ocf_core_get_volume(core)->uuid;
result = env_memcmp(current_uuid->data, current_uuid->size,
uuid->data, uuid->size, &diff);
if (result)
return result;
if (!diff) {
/* UUIDs are identical */
return 0;
}
result = ocf_metadata_set_core_uuid(core, uuid, NULL);
if (result)
return result;
ocf_volume_set_uuid(&core->volume, uuid);
result = ocf_metadata_flush_superblock(cache);
if (result) {
result = -OCF_ERR_WRITE_CACHE;
}
return result;
}
uint32_t ocf_core_get_seq_cutoff_threshold(ocf_core_t core)
{
uint32_t core_id = ocf_core_get_id(core);
@@ -151,60 +113,6 @@ ocf_seq_cutoff_policy ocf_core_get_seq_cutoff_policy(ocf_core_t core)
return cache->core_conf_meta[core_id].seq_cutoff_policy;
}
int ocf_core_set_user_metadata_raw(ocf_core_t core, void *data, size_t size)
{
ocf_cache_t cache = ocf_core_get_cache(core);
uint32_t core_id = ocf_core_get_id(core);
if (size > OCF_CORE_USER_DATA_SIZE)
return -EINVAL;
env_memcpy(cache->core_conf_meta[core_id].user_data,
OCF_CORE_USER_DATA_SIZE, data, size);
return 0;
}
int ocf_core_set_user_metadata(ocf_core_t core, void *data, size_t size)
{
ocf_cache_t cache;
int ret;
OCF_CHECK_NULL(core);
OCF_CHECK_NULL(data);
cache = ocf_core_get_cache(core);
ret = ocf_core_set_user_metadata_raw(core, data, size);
if (ret)
return ret;
ret = ocf_metadata_flush_superblock(cache);
if (ret)
return -OCF_ERR_WRITE_CACHE;
return 0;
}
int ocf_core_get_user_metadata(ocf_core_t core, void *data, size_t size)
{
uint32_t core_id;
ocf_cache_t cache;
OCF_CHECK_NULL(core);
core_id = ocf_core_get_id(core);
cache = ocf_core_get_cache(core);
if (size > sizeof(cache->core_conf_meta[core_id].user_data))
return -EINVAL;
env_memcpy(data, size, cache->core_conf_meta[core_id].user_data,
OCF_CORE_USER_DATA_SIZE);
return 0;
}
int ocf_core_visit(ocf_cache_t cache, ocf_core_visitor_t visitor, void *cntx,
bool only_opened)
{