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| 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 <atomic.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 | #define dprintf(...) printf(__VA_ARGS__) |
43 | #define dprintf(...) printf(__VA_ARGS__) |
| Line 105... | Line 105... | ||
| 105 | */ |
105 | */ |
| 106 | typedef struct { |
106 | typedef struct { |
| 107 | link_t fs_link; |
107 | link_t fs_link; |
| 108 | vfs_info_t vfs_info; |
108 | vfs_info_t vfs_info; |
| 109 | int fs_handle; |
109 | int fs_handle; |
| 110 | atomic_t phone_futex; /**< Phone serializing futex. */ |
110 | futex_t phone_futex; /**< Phone serializing futex. */ |
| 111 | ipcarg_t phone; |
111 | ipcarg_t phone; |
| 112 | } fs_info_t; |
112 | } fs_info_t; |
| 113 | 113 | ||
| 114 | /** |
114 | /** |
| 115 | * VFS_PAIR uniquely represents a file system instance. |
115 | * VFS_PAIR uniquely represents a file system instance. |
| Line 230... | Line 230... | ||
| 230 | 230 | ||
| 231 | /** Current position in the file. */ |
231 | /** Current position in the file. */ |
| 232 | off_t pos; |
232 | off_t pos; |
| 233 | } vfs_file_t; |
233 | } vfs_file_t; |
| 234 | 234 | ||
| - | 235 | extern futex_t nodes_futex; |
|
| - | 236 | ||
| 235 | extern link_t fs_head; /**< List of registered file systems. */ |
237 | extern link_t fs_head; /**< List of registered file systems. */ |
| 236 | 238 | ||
| 237 | extern vfs_triplet_t rootfs; /**< Root node of the root file system. */ |
239 | extern vfs_triplet_t rootfs; /**< Root node of the root file system. */ |
| 238 | 240 | ||
| 239 | #define MAX_PATH_LEN (64 * 1024) |
241 | #define MAX_PATH_LEN (64 * 1024) |
| Line 245... | Line 247... | ||
| 245 | link_t plb_link; /**< Active PLB entries list link. */ |
247 | link_t plb_link; /**< Active PLB entries list link. */ |
| 246 | unsigned index; /**< Index of the first character in PLB. */ |
248 | unsigned index; /**< Index of the first character in PLB. */ |
| 247 | size_t len; /**< Number of characters in this PLB entry. */ |
249 | size_t len; /**< Number of characters in this PLB entry. */ |
| 248 | } plb_entry_t; |
250 | } plb_entry_t; |
| 249 | 251 | ||
| 250 | extern atomic_t plb_futex; /**< Futex protecting plb and plb_head. */ |
252 | extern futex_t plb_futex; /**< Futex protecting plb and plb_head. */ |
| 251 | extern uint8_t *plb; /**< Path Lookup Buffer */ |
253 | extern uint8_t *plb; /**< Path Lookup Buffer */ |
| 252 | extern link_t plb_head; /**< List of active PLB entries. */ |
254 | extern link_t plb_head; /**< List of active PLB entries. */ |
| 253 | 255 | ||
| 254 | /** Holding this rwlock prevents changes in file system namespace. */ |
256 | /** Holding this rwlock prevents changes in file system namespace. */ |
| 255 | extern rwlock_t namespace_rwlock; |
257 | extern rwlock_t namespace_rwlock; |