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Added a "cookie" parameter to the vfs_read|write|has_page[s]().

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Also added a prototype for the fs_get_file_map() fs call.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8867 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-09-06 21:52:28 +00:00
parent 9f67399eea
commit cfd8ea7832
1 changed files with 6 additions and 4 deletions
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10
headers/private/kernel/vfs.h
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@ -68,17 +68,19 @@ int vfs_setrlimit(int resource, const struct rlimit * rlp);
// or similar places.
extern status_t notify_select_event(struct selectsync *sync, uint32 ref, uint8 event);
/* calls needed by the VM for paging */
/* calls needed by the VM for paging and by the file cache */
int vfs_get_vnode_from_fd(int fd, bool kernel, void **vnode);
status_t vfs_get_vnode_from_path(const char *path, bool kernel, void **vnode);
status_t vfs_get_vnode(mount_id mountID, vnode_id vnodeID, void **_vnode);
int vfs_put_vnode_ptr(void *vnode);
void vfs_vnode_acquire_ref(void *vnode);
void vfs_vnode_release_ref(void *vnode);
bool vfs_can_page(void *vnode);
status_t vfs_read_pages(void *vnode, off_t pos, const iovec *vecs, size_t count, size_t *_numBytes);
status_t vfs_write_pages(void *vnode, off_t pos, const iovec *vecs, size_t count, size_t *_numBytes);
status_t vfs_get_cookie_from_fd(int fd, void **_cookie);
bool vfs_can_page(void *vnode, void *cookie);
status_t vfs_read_pages(void *vnode, void *cookie, off_t pos, const iovec *vecs, size_t count, size_t *_numBytes);
status_t vfs_write_pages(void *vnode, void *cookie, off_t pos, const iovec *vecs, size_t count, size_t *_numBytes);
status_t vfs_get_vnode_cache(void *vnode, void **_cache);
status_t vfs_get_file_map( void *_vnode, off_t offset, size_t size, struct file_io_vec *vecs, size_t *_count);
/* special module convenience call */
status_t vfs_get_module_path(const char *basePath, const char *moduleName, char *pathBuffer, size_t bufferSize);