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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jakub Jermar |
2 | * Copyright (c) 2008 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup fs |
29 | /** @addtogroup fs |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | #ifndef VFS_VFS_H_ |
33 | #ifndef VFS_VFS_H_ |
34 | #define VFS_VFS_H_ |
34 | #define VFS_VFS_H_ |
35 | 35 | ||
36 | #include <ipc/ipc.h> |
36 | #include <ipc/ipc.h> |
37 | #include <libadt/list.h> |
37 | #include <libadt/list.h> |
38 | #include <futex.h> |
38 | #include <futex.h> |
39 | #include <rwlock.h> |
39 | #include <rwlock.h> |
40 | #include <sys/types.h> |
40 | #include <sys/types.h> |
41 | #include <bool.h> |
41 | #include <bool.h> |
42 | 42 | ||
43 | // FIXME: according to CONFIG_DEBUG |
43 | // FIXME: according to CONFIG_DEBUG |
44 | // #define dprintf(...) printf(__VA_ARGS__) |
44 | // #define dprintf(...) printf(__VA_ARGS__) |
45 | 45 | ||
46 | #define dprintf(...) |
46 | #define dprintf(...) |
47 | 47 | ||
48 | #define VFS_FIRST IPC_FIRST_USER_METHOD |
48 | #define VFS_FIRST IPC_FIRST_USER_METHOD |
49 | 49 | ||
50 | #define IPC_METHOD_TO_VFS_OP(m) ((m) - VFS_FIRST) |
- | |
51 | - | ||
52 | /* Basic types. */ |
50 | /* Basic types. */ |
53 | typedef int16_t fs_handle_t; |
51 | typedef int16_t fs_handle_t; |
54 | typedef int16_t dev_handle_t; |
52 | typedef int16_t dev_handle_t; |
55 | typedef uint32_t fs_index_t; |
53 | typedef uint32_t fs_index_t; |
56 | 54 | ||
57 | typedef enum { |
55 | typedef enum { |
58 | VFS_READ = VFS_FIRST, |
56 | VFS_READ = VFS_FIRST, |
59 | VFS_WRITE, |
57 | VFS_WRITE, |
60 | VFS_TRUNCATE, |
58 | VFS_TRUNCATE, |
61 | VFS_MOUNT, |
59 | VFS_MOUNT, |
62 | VFS_UNMOUNT, |
60 | VFS_UNMOUNT, |
63 | VFS_LAST_CMN, /* keep this the last member of this enum */ |
61 | VFS_LAST_CMN, /* keep this the last member of this enum */ |
64 | } vfs_request_cmn_t; |
62 | } vfs_request_cmn_t; |
65 | 63 | ||
66 | typedef enum { |
64 | typedef enum { |
67 | VFS_LOOKUP = VFS_LAST_CMN, |
65 | VFS_LOOKUP = VFS_LAST_CMN, |
68 | VFS_MOUNTED, |
66 | VFS_MOUNTED, |
69 | VFS_DESTROY, |
67 | VFS_DESTROY, |
70 | VFS_LAST_CLNT, /* keep this the last member of this enum */ |
68 | VFS_LAST_CLNT, /* keep this the last member of this enum */ |
71 | } vfs_request_clnt_t; |
69 | } vfs_request_clnt_t; |
72 | 70 | ||
73 | typedef enum { |
71 | typedef enum { |
74 | VFS_REGISTER = VFS_LAST_CMN, |
72 | VFS_REGISTER = VFS_LAST_CMN, |
75 | VFS_OPEN, |
73 | VFS_OPEN, |
76 | VFS_CLOSE, |
74 | VFS_CLOSE, |
77 | VFS_SEEK, |
75 | VFS_SEEK, |
78 | VFS_MKDIR, |
76 | VFS_MKDIR, |
79 | VFS_UNLINK, |
77 | VFS_UNLINK, |
80 | VFS_RENAME, |
78 | VFS_RENAME, |
81 | VFS_LAST_SRV, /* keep this the last member of this enum */ |
79 | VFS_LAST_SRV, /* keep this the last member of this enum */ |
82 | } vfs_request_srv_t; |
80 | } vfs_request_srv_t; |
83 | 81 | ||
84 | - | ||
85 | /** |
- | |
86 | * An instance of this structure is associated with a particular FS operation. |
- | |
87 | * It tells VFS if the FS supports the operation or maybe if a default one |
- | |
88 | * should be used. |
- | |
89 | */ |
- | |
90 | typedef enum { |
- | |
91 | VFS_OP_NULL = 0, |
- | |
92 | VFS_OP_DEFAULT, |
- | |
93 | VFS_OP_DEFINED |
- | |
94 | } vfs_op_t; |
- | |
95 | - | ||
96 | #define FS_NAME_MAXLEN 20 |
82 | #define FS_NAME_MAXLEN 20 |
97 | 83 | ||
98 | /** |
84 | /** |
99 | * A structure like this is passed to VFS by each individual FS upon its |
85 | * A structure like this is passed to VFS by each individual FS upon its |
100 | * registration. It assosiates a human-readable identifier with each |
86 | * registration. It assosiates a human-readable identifier with each |
101 | * registered FS. More importantly, through this structure, the FS announces |
- | |
102 | * what operations it supports. |
87 | * registered FS. |
103 | */ |
88 | */ |
104 | typedef struct { |
89 | typedef struct { |
105 | /** Unique identifier of the fs. */ |
90 | /** Unique identifier of the fs. */ |
106 | char name[FS_NAME_MAXLEN + 1]; |
91 | char name[FS_NAME_MAXLEN + 1]; |
107 | - | ||
108 | /** Operations. */ |
- | |
109 | vfs_op_t ops[VFS_LAST_CLNT - VFS_FIRST]; |
- | |
110 | } vfs_info_t; |
92 | } vfs_info_t; |
111 | 93 | ||
112 | /** |
94 | /** |
113 | * A structure like this will be allocated for each registered file system. |
95 | * A structure like this will be allocated for each registered file system. |
114 | */ |
96 | */ |
115 | typedef struct { |
97 | typedef struct { |
116 | link_t fs_link; |
98 | link_t fs_link; |
117 | vfs_info_t vfs_info; |
99 | vfs_info_t vfs_info; |
118 | fs_handle_t fs_handle; |
100 | fs_handle_t fs_handle; |
119 | futex_t phone_futex; /**< Phone serializing futex. */ |
101 | futex_t phone_futex; /**< Phone serializing futex. */ |
120 | ipcarg_t phone; |
102 | ipcarg_t phone; |
121 | } fs_info_t; |
103 | } fs_info_t; |
122 | 104 | ||
123 | /** |
105 | /** |
124 | * VFS_PAIR uniquely represents a file system instance. |
106 | * VFS_PAIR uniquely represents a file system instance. |
125 | */ |
107 | */ |
126 | #define VFS_PAIR \ |
108 | #define VFS_PAIR \ |
127 | fs_handle_t fs_handle; \ |
109 | fs_handle_t fs_handle; \ |
128 | dev_handle_t dev_handle; |
110 | dev_handle_t dev_handle; |
129 | 111 | ||
130 | /** |
112 | /** |
131 | * VFS_TRIPLET uniquely identifies a file system node (e.g. directory, file) but |
113 | * VFS_TRIPLET uniquely identifies a file system node (e.g. directory, file) but |
132 | * doesn't contain any state. For a stateful structure, see vfs_node_t. |
114 | * doesn't contain any state. For a stateful structure, see vfs_node_t. |
133 | * |
115 | * |
134 | * @note fs_handle, dev_handle and index are meant to be returned in one |
116 | * @note fs_handle, dev_handle and index are meant to be returned in one |
135 | * IPC reply. |
117 | * IPC reply. |
136 | */ |
118 | */ |
137 | #define VFS_TRIPLET \ |
119 | #define VFS_TRIPLET \ |
138 | VFS_PAIR; \ |
120 | VFS_PAIR; \ |
139 | fs_index_t index; |
121 | fs_index_t index; |
140 | 122 | ||
141 | typedef struct { |
123 | typedef struct { |
142 | VFS_PAIR; |
124 | VFS_PAIR; |
143 | } vfs_pair_t; |
125 | } vfs_pair_t; |
144 | 126 | ||
145 | typedef struct { |
127 | typedef struct { |
146 | VFS_TRIPLET; |
128 | VFS_TRIPLET; |
147 | } vfs_triplet_t; |
129 | } vfs_triplet_t; |
148 | 130 | ||
149 | /* |
131 | /* |
150 | * Lookup flags. |
132 | * Lookup flags. |
151 | */ |
133 | */ |
152 | /** |
134 | /** |
153 | * No lookup flags used. |
135 | * No lookup flags used. |
154 | */ |
136 | */ |
155 | #define L_NONE 0 |
137 | #define L_NONE 0 |
156 | /** |
138 | /** |
157 | * Lookup will succeed only if the object is a regular file. If L_CREATE is |
139 | * Lookup will succeed only if the object is a regular file. If L_CREATE is |
158 | * specified, an empty file will be created. This flag is mutually exclusive |
140 | * specified, an empty file will be created. This flag is mutually exclusive |
159 | * with L_DIRECTORY. |
141 | * with L_DIRECTORY. |
160 | */ |
142 | */ |
161 | #define L_FILE 1 |
143 | #define L_FILE 1 |
162 | /** |
144 | /** |
163 | * Lookup wil succeed only if the object is a directory. If L_CREATE is |
145 | * Lookup wil succeed only if the object is a directory. If L_CREATE is |
164 | * specified, an empty directory will be created. This flag is mutually |
146 | * specified, an empty directory will be created. This flag is mutually |
165 | * exclusive with L_FILE. |
147 | * exclusive with L_FILE. |
166 | */ |
148 | */ |
167 | #define L_DIRECTORY 2 |
149 | #define L_DIRECTORY 2 |
168 | /** |
150 | /** |
169 | * When used with L_CREATE, L_EXCLUSIVE will cause the lookup to fail if the |
151 | * When used with L_CREATE, L_EXCLUSIVE will cause the lookup to fail if the |
170 | * object already exists. L_EXCLUSIVE is implied when L_DIRECTORY is used. |
152 | * object already exists. L_EXCLUSIVE is implied when L_DIRECTORY is used. |
171 | */ |
153 | */ |
172 | #define L_EXCLUSIVE 4 |
154 | #define L_EXCLUSIVE 4 |
173 | /** |
155 | /** |
174 | * L_CREATE is used for creating both regular files and directories. |
156 | * L_CREATE is used for creating both regular files and directories. |
175 | */ |
157 | */ |
176 | #define L_CREATE 8 |
158 | #define L_CREATE 8 |
177 | /** |
159 | /** |
178 | * L_LINK is used for linking to an already existing nodes. |
160 | * L_LINK is used for linking to an already existing nodes. |
179 | */ |
161 | */ |
180 | #define L_LINK 16 |
162 | #define L_LINK 16 |
181 | /** |
163 | /** |
182 | * L_UNLINK is used to remove leaves from the file system namespace. This flag |
164 | * L_UNLINK is used to remove leaves from the file system namespace. This flag |
183 | * cannot be passed directly by the client, but will be set by VFS during |
165 | * cannot be passed directly by the client, but will be set by VFS during |
184 | * VFS_UNLINK. |
166 | * VFS_UNLINK. |
185 | */ |
167 | */ |
186 | #define L_UNLINK 32 |
168 | #define L_UNLINK 32 |
187 | /** |
169 | /** |
188 | * L_PARENT performs a lookup but returns the triplet of the parent node. |
170 | * L_PARENT performs a lookup but returns the triplet of the parent node. |
189 | * This flag may not be combined with any other lookup flag. |
171 | * This flag may not be combined with any other lookup flag. |
190 | */ |
172 | */ |
191 | #define L_PARENT 64 |
173 | #define L_PARENT 64 |
192 | 174 | ||
193 | typedef enum vfs_node_type { |
175 | typedef enum vfs_node_type { |
194 | VFS_NODE_UNKNOWN, |
176 | VFS_NODE_UNKNOWN, |
195 | VFS_NODE_FILE, |
177 | VFS_NODE_FILE, |
196 | VFS_NODE_DIRECTORY, |
178 | VFS_NODE_DIRECTORY, |
197 | } vfs_node_type_t; |
179 | } vfs_node_type_t; |
198 | 180 | ||
199 | typedef struct { |
181 | typedef struct { |
200 | vfs_triplet_t triplet; |
182 | vfs_triplet_t triplet; |
201 | vfs_node_type_t type; |
183 | vfs_node_type_t type; |
202 | size_t size; |
184 | size_t size; |
203 | unsigned lnkcnt; |
185 | unsigned lnkcnt; |
204 | } vfs_lookup_res_t; |
186 | } vfs_lookup_res_t; |
205 | 187 | ||
206 | /** |
188 | /** |
207 | * Instances of this type represent an active, in-memory VFS node and any state |
189 | * Instances of this type represent an active, in-memory VFS node and any state |
208 | * which may be associated with it. |
190 | * which may be associated with it. |
209 | */ |
191 | */ |
210 | typedef struct { |
192 | typedef struct { |
211 | VFS_TRIPLET; /**< Identity of the node. */ |
193 | VFS_TRIPLET; /**< Identity of the node. */ |
212 | 194 | ||
213 | /** |
195 | /** |
214 | * Usage counter. This includes, but is not limited to, all vfs_file_t |
196 | * Usage counter. This includes, but is not limited to, all vfs_file_t |
215 | * structures that reference this node. |
197 | * structures that reference this node. |
216 | */ |
198 | */ |
217 | unsigned refcnt; |
199 | unsigned refcnt; |
218 | 200 | ||
219 | /** Number of names this node has in the file system namespace. */ |
201 | /** Number of names this node has in the file system namespace. */ |
220 | unsigned lnkcnt; |
202 | unsigned lnkcnt; |
221 | 203 | ||
222 | link_t nh_link; /**< Node hash-table link. */ |
204 | link_t nh_link; /**< Node hash-table link. */ |
223 | 205 | ||
224 | vfs_node_type_t type; /**< Partial info about the node type. */ |
206 | vfs_node_type_t type; /**< Partial info about the node type. */ |
225 | 207 | ||
226 | size_t size; /**< Cached size if the node is a file. */ |
208 | size_t size; /**< Cached size if the node is a file. */ |
227 | 209 | ||
228 | /** |
210 | /** |
229 | * Holding this rwlock prevents modifications of the node's contents. |
211 | * Holding this rwlock prevents modifications of the node's contents. |
230 | */ |
212 | */ |
231 | rwlock_t contents_rwlock; |
213 | rwlock_t contents_rwlock; |
232 | } vfs_node_t; |
214 | } vfs_node_t; |
233 | 215 | ||
234 | /** |
216 | /** |
235 | * Instances of this type represent an open file. If the file is opened by more |
217 | * Instances of this type represent an open file. If the file is opened by more |
236 | * than one task, there will be a separate structure allocated for each task. |
218 | * than one task, there will be a separate structure allocated for each task. |
237 | */ |
219 | */ |
238 | typedef struct { |
220 | typedef struct { |
239 | /** Serializes access to this open file. */ |
221 | /** Serializes access to this open file. */ |
240 | futex_t lock; |
222 | futex_t lock; |
241 | 223 | ||
242 | vfs_node_t *node; |
224 | vfs_node_t *node; |
243 | 225 | ||
244 | /** Number of file handles referencing this file. */ |
226 | /** Number of file handles referencing this file. */ |
245 | unsigned refcnt; |
227 | unsigned refcnt; |
246 | 228 | ||
247 | /** Append on write. */ |
229 | /** Append on write. */ |
248 | bool append; |
230 | bool append; |
249 | 231 | ||
250 | /** Current position in the file. */ |
232 | /** Current position in the file. */ |
251 | off_t pos; |
233 | off_t pos; |
252 | } vfs_file_t; |
234 | } vfs_file_t; |
253 | 235 | ||
254 | extern futex_t nodes_futex; |
236 | extern futex_t nodes_futex; |
255 | 237 | ||
256 | extern link_t fs_head; /**< List of registered file systems. */ |
238 | extern link_t fs_head; /**< List of registered file systems. */ |
257 | 239 | ||
258 | extern vfs_pair_t rootfs; /**< Root file system. */ |
240 | extern vfs_pair_t rootfs; /**< Root file system. */ |
259 | 241 | ||
260 | #define MAX_PATH_LEN (64 * 1024) |
242 | #define MAX_PATH_LEN (64 * 1024) |
261 | 243 | ||
262 | #define PLB_SIZE (2 * MAX_PATH_LEN) |
244 | #define PLB_SIZE (2 * MAX_PATH_LEN) |
263 | 245 | ||
264 | /** Each instance of this type describes one path lookup in progress. */ |
246 | /** Each instance of this type describes one path lookup in progress. */ |
265 | typedef struct { |
247 | typedef struct { |
266 | link_t plb_link; /**< Active PLB entries list link. */ |
248 | link_t plb_link; /**< Active PLB entries list link. */ |
267 | unsigned index; /**< Index of the first character in PLB. */ |
249 | unsigned index; /**< Index of the first character in PLB. */ |
268 | size_t len; /**< Number of characters in this PLB entry. */ |
250 | size_t len; /**< Number of characters in this PLB entry. */ |
269 | } plb_entry_t; |
251 | } plb_entry_t; |
270 | 252 | ||
271 | extern futex_t plb_futex; /**< Futex protecting plb and plb_head. */ |
253 | extern futex_t plb_futex; /**< Futex protecting plb and plb_head. */ |
272 | extern uint8_t *plb; /**< Path Lookup Buffer */ |
254 | extern uint8_t *plb; /**< Path Lookup Buffer */ |
273 | extern link_t plb_head; /**< List of active PLB entries. */ |
255 | extern link_t plb_head; /**< List of active PLB entries. */ |
274 | 256 | ||
275 | /** Holding this rwlock prevents changes in file system namespace. */ |
257 | /** Holding this rwlock prevents changes in file system namespace. */ |
276 | extern rwlock_t namespace_rwlock; |
258 | extern rwlock_t namespace_rwlock; |
277 | 259 | ||
278 | extern int vfs_grab_phone(fs_handle_t); |
260 | extern int vfs_grab_phone(fs_handle_t); |
279 | extern void vfs_release_phone(int); |
261 | extern void vfs_release_phone(int); |
280 | 262 | ||
281 | extern fs_handle_t fs_name_to_handle(char *, bool); |
263 | extern fs_handle_t fs_name_to_handle(char *, bool); |
282 | 264 | ||
283 | extern int vfs_lookup_internal(char *, int, vfs_lookup_res_t *, vfs_pair_t *, |
265 | extern int vfs_lookup_internal(char *, int, vfs_lookup_res_t *, vfs_pair_t *, |
284 | ...); |
266 | ...); |
285 | 267 | ||
286 | extern bool vfs_nodes_init(void); |
268 | extern bool vfs_nodes_init(void); |
287 | extern vfs_node_t *vfs_node_get(vfs_lookup_res_t *); |
269 | extern vfs_node_t *vfs_node_get(vfs_lookup_res_t *); |
288 | extern void vfs_node_put(vfs_node_t *); |
270 | extern void vfs_node_put(vfs_node_t *); |
289 | 271 | ||
290 | #define MAX_OPEN_FILES 128 |
272 | #define MAX_OPEN_FILES 128 |
291 | 273 | ||
292 | extern bool vfs_files_init(void); |
274 | extern bool vfs_files_init(void); |
293 | extern vfs_file_t *vfs_file_get(int); |
275 | extern vfs_file_t *vfs_file_get(int); |
294 | extern int vfs_fd_alloc(void); |
276 | extern int vfs_fd_alloc(void); |
295 | extern int vfs_fd_free(int); |
277 | extern int vfs_fd_free(int); |
296 | 278 | ||
297 | extern void vfs_file_addref(vfs_file_t *); |
279 | extern void vfs_file_addref(vfs_file_t *); |
298 | extern void vfs_file_delref(vfs_file_t *); |
280 | extern void vfs_file_delref(vfs_file_t *); |
299 | 281 | ||
300 | extern void vfs_node_addref(vfs_node_t *); |
282 | extern void vfs_node_addref(vfs_node_t *); |
301 | extern void vfs_node_delref(vfs_node_t *); |
283 | extern void vfs_node_delref(vfs_node_t *); |
302 | 284 | ||
303 | extern void vfs_register(ipc_callid_t, ipc_call_t *); |
285 | extern void vfs_register(ipc_callid_t, ipc_call_t *); |
304 | extern void vfs_mount(ipc_callid_t, ipc_call_t *); |
286 | extern void vfs_mount(ipc_callid_t, ipc_call_t *); |
305 | extern void vfs_open(ipc_callid_t, ipc_call_t *); |
287 | extern void vfs_open(ipc_callid_t, ipc_call_t *); |
306 | extern void vfs_close(ipc_callid_t, ipc_call_t *); |
288 | extern void vfs_close(ipc_callid_t, ipc_call_t *); |
307 | extern void vfs_read(ipc_callid_t, ipc_call_t *); |
289 | extern void vfs_read(ipc_callid_t, ipc_call_t *); |
308 | extern void vfs_write(ipc_callid_t, ipc_call_t *); |
290 | extern void vfs_write(ipc_callid_t, ipc_call_t *); |
309 | extern void vfs_seek(ipc_callid_t, ipc_call_t *); |
291 | extern void vfs_seek(ipc_callid_t, ipc_call_t *); |
310 | extern void vfs_truncate(ipc_callid_t, ipc_call_t *); |
292 | extern void vfs_truncate(ipc_callid_t, ipc_call_t *); |
311 | extern void vfs_mkdir(ipc_callid_t, ipc_call_t *); |
293 | extern void vfs_mkdir(ipc_callid_t, ipc_call_t *); |
312 | extern void vfs_unlink(ipc_callid_t, ipc_call_t *); |
294 | extern void vfs_unlink(ipc_callid_t, ipc_call_t *); |
313 | extern void vfs_rename(ipc_callid_t, ipc_call_t *); |
295 | extern void vfs_rename(ipc_callid_t, ipc_call_t *); |
314 | 296 | ||
315 | #endif |
297 | #endif |
316 | 298 | ||
317 | /** |
299 | /** |
318 | * @} |
300 | * @} |
319 | */ |
301 | */ |
320 | 302 |