#ifndef _FSSH_FS_CACHE_H
#define _FSSH_FS_CACHE_H
#include "fssh_fs_interface.h"
enum {
FSSH_TRANSACTION_WRITTEN = 0x01,
FSSH_TRANSACTION_ABORTED = 0x02,
FSSH_TRANSACTION_ENDED = 0x04,
FSSH_TRANSACTION_IDLE = 0x08
};
enum {
FSSH_FILE_MAP_CACHE_ON_DEMAND = 0x01,
FSSH_FILE_MAP_CACHE_ALL = 0x02
};
typedef void (*fssh_transaction_notification_hook)(int32_t id, int32_t event,
void *data);
#ifdef __cplusplus
extern "C" {
#endif
extern int32_t fssh_cache_start_transaction(void *_cache);
extern fssh_status_t fssh_cache_sync_transaction(void *_cache, int32_t id);
extern fssh_status_t fssh_cache_end_transaction(void *_cache, int32_t id,
fssh_transaction_notification_hook hook,
void *data);
extern fssh_status_t fssh_cache_abort_transaction(void *_cache, int32_t id);
extern int32_t fssh_cache_detach_sub_transaction(void *_cache,
int32_t id, fssh_transaction_notification_hook hook,
void *data);
extern fssh_status_t fssh_cache_abort_sub_transaction(void *_cache,
int32_t id);
extern fssh_status_t fssh_cache_start_sub_transaction(void *_cache,
int32_t id);
extern fssh_status_t fssh_cache_add_transaction_listener(void *_cache,
int32_t id, int32_t events,
fssh_transaction_notification_hook hook,
void *data);
extern fssh_status_t fssh_cache_remove_transaction_listener(void *_cache,
int32_t id, fssh_transaction_notification_hook hook,
void *data);
extern fssh_status_t fssh_cache_next_block_in_transaction(void *_cache,
int32_t id, bool mainOnly, long *_cookie,
fssh_off_t *_blockNumber, void **_data,
void **_unchangedData);
extern int32_t fssh_cache_blocks_in_transaction(void *_cache,
int32_t id);
extern int32_t fssh_cache_blocks_in_main_transaction(void *_cache,
int32_t id);
extern int32_t fssh_cache_blocks_in_sub_transaction(void *_cache,
int32_t id);
extern bool fssh_cache_has_block_in_transaction(void *_cache,
int32_t id, fssh_off_t blockNumber);
extern void fssh_block_cache_delete(void *_cache, bool allowWrites);
extern void * fssh_block_cache_create(int fd, fssh_off_t numBlocks,
fssh_size_t blockSize, bool readOnly);
extern fssh_status_t fssh_block_cache_sync(void *_cache);
extern fssh_status_t fssh_block_cache_sync_etc(void *_cache,
fssh_off_t blockNumber, fssh_size_t numBlocks);
extern void fssh_block_cache_discard(void *_cache,
fssh_off_t blockNumber, fssh_size_t numBlocks);
extern fssh_status_t fssh_block_cache_make_writable(void *_cache,
fssh_off_t blockNumber, int32_t transaction);
extern fssh_status_t fssh_block_cache_get_writable_etc(void *_cache,
fssh_off_t blockNumber, int32_t transaction,
void **_block);
extern void * fssh_block_cache_get_writable(void *_cache,
fssh_off_t blockNumber, int32_t transaction);
extern void * fssh_block_cache_get_empty(void *_cache,
fssh_off_t blockNumber, int32_t transaction);
extern fssh_status_t fssh_block_cache_get_etc(void *_cache,
fssh_off_t blockNumber, const void **_block);
extern const void * fssh_block_cache_get(void *_cache,
fssh_off_t blockNumber);
extern fssh_status_t fssh_block_cache_set_dirty(void *_cache,
fssh_off_t blockNumber, bool isDirty,
int32_t transaction);
extern void fssh_block_cache_put(void *_cache,
fssh_off_t blockNumber);
extern fssh_status_t fssh_block_cache_prefetch(void* _cache, fssh_off_t blockNumber,
fssh_size_t* _numBlocks);
extern void * fssh_file_cache_create(fssh_mount_id mountID,
fssh_vnode_id vnodeID, fssh_off_t size);
extern void fssh_file_cache_delete(void *_cacheRef);
extern void fssh_file_cache_enable(void *_cacheRef);
extern fssh_status_t fssh_file_cache_disable(void *_cacheRef);
extern bool fssh_file_cache_is_enabled(void *_cacheRef);
extern fssh_status_t fssh_file_cache_set_size(void *_cacheRef,
fssh_off_t size);
extern fssh_status_t fssh_file_cache_sync(void *_cache);
extern fssh_status_t fssh_file_cache_read(void *_cacheRef, void *cookie,
fssh_off_t offset, void *bufferBase,
fssh_size_t *_size);
extern fssh_status_t fssh_file_cache_write(void *_cacheRef, void *cookie,
fssh_off_t offset, const void *buffer,
fssh_size_t *_size);
extern void * fssh_file_map_create(fssh_mount_id mountID,
fssh_vnode_id vnodeID, fssh_off_t size);
extern void fssh_file_map_delete(void *_map);
extern void fssh_file_map_set_size(void *_map, fssh_off_t size);
extern void fssh_file_map_invalidate(void *_map, fssh_off_t offset,
fssh_off_t size);
extern fssh_status_t fssh_file_map_set_mode(void *_map, uint32_t mode);
extern fssh_status_t fssh_file_map_translate(void *_map, fssh_off_t offset,
fssh_size_t size, struct fssh_file_io_vec *vecs,
fssh_size_t *_count, fssh_size_t align);
extern fssh_status_t fssh_entry_cache_add(fssh_dev_t mountID,
fssh_ino_t dirID, const char* name,
fssh_ino_t nodeID);
extern fssh_status_t fssh_entry_cache_add_missing(fssh_dev_t mountID,
fssh_ino_t dirID, const char* name);
extern fssh_status_t fssh_entry_cache_remove(fssh_dev_t mountID,
fssh_ino_t dirID, const char* name);
#ifdef __cplusplus
}
#endif
#endif
