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| Rev 2590 | Rev 2593 | ||
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| Line 54... | Line 54... | ||
| 54 | VFS_CREATE, |
54 | VFS_CREATE, |
| 55 | VFS_CLOSE, |
55 | VFS_CLOSE, |
| 56 | VFS_READ, |
56 | VFS_READ, |
| 57 | VFS_WRITE, |
57 | VFS_WRITE, |
| 58 | VFS_SEEK, |
58 | VFS_SEEK, |
| - | 59 | VFS_RENAME, |
|
| - | 60 | VFS_UNLINK, |
|
| 59 | VFS_LAST, /* keep this the last member of the enum */ |
61 | VFS_LAST, /* keep this the last member of the enum */ |
| 60 | } vfs_request_t; |
62 | } vfs_request_t; |
| 61 | 63 | ||
| 62 | 64 | ||
| 63 | /** |
65 | /** |
| Line 128... | Line 130... | ||
| 128 | * Instances of this type represent an active, in-memory VFS node and any state |
130 | * Instances of this type represent an active, in-memory VFS node and any state |
| 129 | * which may be associated with it. |
131 | * which may be associated with it. |
| 130 | */ |
132 | */ |
| 131 | typedef struct { |
133 | typedef struct { |
| 132 | VFS_TRIPLET; /**< Identity of the node. */ |
134 | VFS_TRIPLET; /**< Identity of the node. */ |
| 133 | atomic_t refcnt; /**< Usage counter. */ |
135 | unsigned refcnt; /**< Usage counter. */ |
| - | 136 | link_t nh_link; /**< Node hash-table link. */ |
|
| 134 | } vfs_node_t; |
137 | } vfs_node_t; |
| 135 | 138 | ||
| 136 | /** |
139 | /** |
| 137 | * Instances of this type represent an open file. If the file is opened by more |
140 | * Instances of this type represent an open file. If the file is opened by more |
| 138 | * than one task, there will be a separate structure allocated for each task. |
141 | * than one task, there will be a separate structure allocated for each task. |
| 139 | */ |
142 | */ |
| 140 | typedef struct { |
143 | typedef struct { |
| 141 | vfs_node_t *node; |
144 | vfs_node_t *node; |
| 142 | 145 | ||
| 143 | /** Number of file handles referencing this file. */ |
146 | /** Number of file handles referencing this file. */ |
| 144 | atomic_t refcnt; |
147 | unsigned refcnt; |
| 145 | 148 | ||
| 146 | /** Current position in the file. */ |
149 | /** Current position in the file. */ |
| 147 | off_t pos; |
150 | off_t pos; |
| 148 | } vfs_file_t; |
151 | } vfs_file_t; |
| 149 | 152 | ||
| Line 164... | Line 167... | ||
| 164 | 167 | ||
| 165 | extern atomic_t plb_futex; /**< Futex protecting plb and plb_head. */ |
168 | extern atomic_t plb_futex; /**< Futex protecting plb and plb_head. */ |
| 166 | extern uint8_t *plb; /**< Path Lookup Buffer */ |
169 | extern uint8_t *plb; /**< Path Lookup Buffer */ |
| 167 | extern link_t plb_head; /**< List of active PLB entries. */ |
170 | extern link_t plb_head; /**< List of active PLB entries. */ |
| 168 | 171 | ||
| - | 172 | extern atomic_t unlink_futex; /**< VFS_{CREATE|OPEN|UNLINK} serialization. */ |
|
| - | 173 | ||
| 169 | extern int vfs_grab_phone(int); |
174 | extern int vfs_grab_phone(int); |
| 170 | extern void vfs_release_phone(int); |
175 | extern void vfs_release_phone(int); |
| 171 | 176 | ||
| 172 | extern int fs_name_to_handle(char *, bool); |
177 | extern int fs_name_to_handle(char *, bool); |
| 173 | 178 | ||
| 174 | extern int vfs_lookup_internal(char *, size_t, vfs_triplet_t *, vfs_pair_t *); |
179 | extern int vfs_lookup_internal(char *, size_t, vfs_triplet_t *, vfs_pair_t *); |
| - | 180 | ||
| - | 181 | ||
| 175 | extern vfs_node_t *vfs_node_get(vfs_triplet_t *); |
182 | extern vfs_node_t *vfs_node_get(vfs_triplet_t *); |
| - | 183 | extern void vfs_node_put(vfs_node_t *); |
|
| - | 184 | ||
| - | 185 | extern bool vfs_files_init(void); |
|
| - | 186 | extern vfs_file_t *vfs_file_get(int); |
|
| - | 187 | extern int vfs_fd_alloc(void); |
|
| - | 188 | extern void vfs_fd_free(int); |
|
| - | 189 | ||
| - | 190 | extern void vfs_file_addref(vfs_file_t *); |
|
| - | 191 | extern void vfs_file_delref(vfs_file_t *); |
|
| - | 192 | ||
| - | 193 | extern void vfs_node_addref(vfs_node_t *); |
|
| - | 194 | extern void vfs_node_delref(vfs_node_t *); |
|
| 176 | 195 | ||
| 177 | #define MAX_OPEN_FILES 128 |
196 | #define MAX_OPEN_FILES 128 |
| 178 | 197 | ||
| 179 | extern void vfs_register(ipc_callid_t, ipc_call_t *); |
198 | extern void vfs_register(ipc_callid_t, ipc_call_t *); |
| 180 | extern void vfs_mount(ipc_callid_t, ipc_call_t *); |
199 | extern void vfs_mount(ipc_callid_t, ipc_call_t *); |