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Implement asynchronous attach, load, detach and stop

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NOTE: This is still not the real asynchronism. Metadata interfaces
are still not fully asynchronous.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Robert Baldyga
2019-03-04 10:55:16 +01:00
parent 56f4d34920
commit 91e0345b78
17 changed files with 1692 additions and 767 deletions
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21
src/metadata/metadata.c
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@@ -103,20 +103,20 @@ ocf_cache_line_t ocf_metadata_get_pages_count(struct ocf_cache *cache)
return cache->metadata.iface.pages(cache);
}
ocf_cache_line_t
ocf_metadata_get_cachelines_count(struct ocf_cache *cache)
ocf_cache_line_t ocf_metadata_get_cachelines_count(ocf_cache_t cache)
{
return cache->metadata.iface.cachelines(cache);
}
int ocf_metadata_flush_all(struct ocf_cache *cache)
void ocf_metadata_flush_all(ocf_cache_t cache,
ocf_metadata_end_t cmpl, void *priv)
{
int result;
OCF_METADATA_LOCK_WR();
result = cache->metadata.iface.flush_all(cache);
OCF_METADATA_UNLOCK_WR();
return result;
cmpl(priv, result);
}
void ocf_metadata_flush(struct ocf_cache *cache, ocf_cache_line_t line)
@@ -124,19 +124,24 @@ void ocf_metadata_flush(struct ocf_cache *cache, ocf_cache_line_t line)
cache->metadata.iface.flush(cache, line);
}
int ocf_metadata_load_all(struct ocf_cache *cache)
void ocf_metadata_load_all(ocf_cache_t cache,
ocf_metadata_end_t cmpl, void *priv)
{
int result;
OCF_METADATA_LOCK_WR();
result = cache->metadata.iface.load_all(cache);
OCF_METADATA_UNLOCK_WR();
return result;
cmpl(priv, result);
}
int ocf_metadata_load_recovery(struct ocf_cache *cache)
void ocf_metadata_load_recovery(ocf_cache_t cache,
ocf_metadata_end_t cmpl, void *priv)
{
return cache->metadata.iface.load_recovery(cache);
int result;
result = cache->metadata.iface.load_recovery(cache);
cmpl(priv, result);
}
void ocf_metadata_flush_mark(struct ocf_cache *cache, struct ocf_request *req,

22
src/metadata/metadata.h
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@@ -124,6 +124,8 @@ static inline void ocf_metadata_status_bits_unlock(
#define OCF_METADATA_FLUSH_UNLOCK() \
ocf_metadata_flush_unlock(cache)
typedef void (*ocf_metadata_end_t)(void *priv, int error);
#include "metadata_cleaning_policy.h"
#include "metadata_eviction_policy.h"
#include "metadata_partition.h"
@@ -224,10 +226,12 @@ ocf_cache_line_t ocf_metadata_get_pages_count(struct ocf_cache *cache);
/**
* @brief Flush metadata
*
* @param cache
* @return 0 - Operation success otherwise failure
* @param cache - Cache instance
* @param cmpl - Completion callback
* @param priv - Completion context
*/
int ocf_metadata_flush_all(struct ocf_cache *cache);
void ocf_metadata_flush_all(ocf_cache_t cache,
ocf_metadata_end_t cmpl, void *priv);
/**
@@ -263,17 +267,21 @@ void ocf_metadata_flush_do_asynch(struct ocf_cache *cache,
* @brief Load metadata
*
* @param cache - Cache instance
* @return 0 - Operation success otherwise failure
* @param cmpl - Completion callback
* @param priv - Completion context
*/
int ocf_metadata_load_all(struct ocf_cache *cache);
void ocf_metadata_load_all(ocf_cache_t cache,
ocf_metadata_end_t cmpl, void *priv);
/**
* @brief Load metadata required for recovery procedure
*
* @param cache Cache instance
* @return 0 - Operation success otherwise failure
* @param cmpl - Completion callback
* @param priv - Completion context
*/
int ocf_metadata_load_recovery(struct ocf_cache *cache);
void ocf_metadata_load_recovery(ocf_cache_t cache,
ocf_metadata_end_t cmpl, void *priv);
/*
* NOTE Hash table is specific for hash table metadata service implementation

19
src/metadata/metadata_superblock.h
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@@ -62,17 +62,24 @@ struct ocf_superblock_runtime {
uint32_t cleaning_thread_access;
};
static inline int ocf_metadata_set_shutdown_status(
struct ocf_cache *cache,
enum ocf_metadata_shutdown_status shutdown_status)
static inline void ocf_metadata_set_shutdown_status(ocf_cache_t cache,
enum ocf_metadata_shutdown_status shutdown_status,
ocf_metadata_end_t cmpl, void *priv)
{
return cache->metadata.iface.set_shutdown_status(cache,
int result;
result = cache->metadata.iface.set_shutdown_status(cache,
shutdown_status);
cmpl(priv, result);
}
static inline int ocf_metadata_load_superblock(struct ocf_cache *cache)
static inline void ocf_metadata_load_superblock(ocf_cache_t cache,
ocf_metadata_end_t cmpl, void *priv)
{
return cache->metadata.iface.load_superblock(cache);
int result;
result = cache->metadata.iface.load_superblock(cache);
cmpl(priv, result);
}
static inline