45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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/*
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* Copyright 2004, Axel Dörfler, [email protected].
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _KERNEL_FILE_CACHE_H
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#define _KERNEL_FILE_CACHE_H
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#include <vfs.h>
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#include <vm_types.h>
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#include <module.h>
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// temporary/optional cache syscall API
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#define CACHE_SYSCALLS "cache"
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#define CACHE_CLEAR 1 // takes no parameters
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#define CACHE_SET_MODULE 2 // gets the module name as parameter
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#define CACHE_MODULES_NAME "file_cache"
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struct cache_module_info {
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module_info info;
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void (*node_opened)(mount_id mountID, vnode_id vnodeID, off_t size);
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void (*node_closed)(mount_id mountID, vnode_id vnodeID);
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void cache_node_opened(vm_cache_ref *cache, mount_id mountID, vnode_id vnodeID);
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extern void cache_node_closed(vm_cache_ref *cache, mount_id mountID, vnode_id vnodeID);
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extern void cache_prefetch(mount_id mountID, vnode_id vnodeID);
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extern status_t file_cache_init(void);
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extern vm_store *vm_create_vnode_store(void *vnode);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KRENEL_FILE_CACHE_H */
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