* Copyright 2004-2008, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_FILE_CACHE_H
#define _KERNEL_FILE_CACHE_H
#include <vfs.h>
#include <vm/vm_types.h>
#include <module.h>
#define CACHE_SYSCALLS "cache"
#define CACHE_CLEAR 1 // takes no parameters
#define CACHE_SET_MODULE 2 // gets the module name as parameter
#define CACHE_MODULES_NAME "file_cache"
#define FILE_CACHE_SEQUENTIAL_ACCESS 0x01
#define FILE_CACHE_LOADED_COMPLETELY 0x02
#define FILE_CACHE_NO_IO 0x04
struct cache_module_info {
module_info info;
void (*node_opened)(struct vnode *vnode, dev_t mountID,
ino_t parentID, ino_t vnodeID, const char *name, off_t size);
void (*node_closed)(struct vnode *vnode, dev_t mountID,
ino_t vnodeID, int32 accessType);
void (*node_launched)(size_t argCount, char * const *args);
};
#ifdef __cplusplus
extern "C" {
#endif
extern void cache_node_opened(struct vnode *vnode, VMCache *cache,
dev_t mountID, ino_t parentID, ino_t vnodeID, const char *name);
extern void cache_node_closed(struct vnode *vnode, VMCache *cache,
dev_t mountID, ino_t vnodeID);
extern void cache_node_launched(size_t argCount, char * const *args);
extern void cache_prefetch_vnode(struct vnode *vnode, off_t offset, size_t size);
extern void cache_prefetch(dev_t mountID, ino_t vnodeID, off_t offset, size_t size);
extern status_t file_map_init(void);
extern status_t file_cache_init_post_boot_device(void);
extern status_t file_cache_init(void);
#ifdef __cplusplus
}
#endif
#endif
