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| Rev 3425 | Rev 3597 | ||
|---|---|---|---|
| Line 62... | Line 62... | ||
| 62 | * For now, we don't distinguish between different dev_handles/instances. All |
62 | * For now, we don't distinguish between different dev_handles/instances. All |
| 63 | * requests resolve to the only instance, rooted in the following variable. |
63 | * requests resolve to the only instance, rooted in the following variable. |
| 64 | */ |
64 | */ |
| 65 | static tmpfs_dentry_t *root; |
65 | static tmpfs_dentry_t *root; |
| 66 | 66 | ||
| - | 67 | #define TMPFS_DEV 0 /**< Dummy device handle for TMPFS */ |
|
| - | 68 | ||
| 67 | /* |
69 | /* |
| 68 | * Implementation of the libfs interface. |
70 | * Implementation of the libfs interface. |
| 69 | */ |
71 | */ |
| 70 | 72 | ||
| 71 | /* Forward declarations of static functions. */ |
73 | /* Forward declarations of static functions. */ |
| 72 | static void *tmpfs_match(void *, const char *); |
74 | static void *tmpfs_match(void *, const char *); |
| 73 | static void *tmpfs_node_get(dev_handle_t, fs_index_t); |
75 | static void *tmpfs_node_get(dev_handle_t, fs_index_t); |
| 74 | static void tmpfs_node_put(void *); |
76 | static void tmpfs_node_put(void *); |
| 75 | static void *tmpfs_create_node(int); |
77 | static void *tmpfs_create_node(dev_handle_t, int); |
| 76 | static bool tmpfs_link_node(void *, void *, const char *); |
78 | static bool tmpfs_link_node(void *, void *, const char *); |
| 77 | static int tmpfs_unlink_node(void *, void *); |
79 | static int tmpfs_unlink_node(void *, void *); |
| 78 | static int tmpfs_destroy_node(void *); |
80 | static int tmpfs_destroy_node(void *); |
| 79 | 81 | ||
| 80 | /* Implementation of helper functions. */ |
82 | /* Implementation of helper functions. */ |
| Line 226... | Line 228... | ||
| 226 | 228 | ||
| 227 | static bool tmpfs_init(void) |
229 | static bool tmpfs_init(void) |
| 228 | { |
230 | { |
| 229 | if (!hash_table_create(&dentries, DENTRIES_BUCKETS, 1, &dentries_ops)) |
231 | if (!hash_table_create(&dentries, DENTRIES_BUCKETS, 1, &dentries_ops)) |
| 230 | return false; |
232 | return false; |
| 231 | root = (tmpfs_dentry_t *) tmpfs_create_node(L_DIRECTORY); |
233 | root = (tmpfs_dentry_t *) tmpfs_create_node(TMPFS_DEV, L_DIRECTORY); |
| 232 | if (!root) { |
234 | if (!root) { |
| 233 | hash_table_destroy(&dentries); |
235 | hash_table_destroy(&dentries); |
| 234 | return false; |
236 | return false; |
| 235 | } |
237 | } |
| 236 | root->lnkcnt = 0; /* FS root is not linked */ |
238 | root->lnkcnt = 0; /* FS root is not linked */ |
| Line 280... | Line 282... | ||
| 280 | void tmpfs_node_put(void *node) |
282 | void tmpfs_node_put(void *node) |
| 281 | { |
283 | { |
| 282 | /* nothing to do */ |
284 | /* nothing to do */ |
| 283 | } |
285 | } |
| 284 | 286 | ||
| 285 | void *tmpfs_create_node(int lflag) |
287 | void *tmpfs_create_node(dev_handle_t dev_handle, int lflag) |
| 286 | { |
288 | { |
| 287 | assert((lflag & L_FILE) ^ (lflag & L_DIRECTORY)); |
289 | assert((lflag & L_FILE) ^ (lflag & L_DIRECTORY)); |
| 288 | 290 | ||
| 289 | tmpfs_dentry_t *node = malloc(sizeof(tmpfs_dentry_t)); |
291 | tmpfs_dentry_t *node = malloc(sizeof(tmpfs_dentry_t)); |
| 290 | if (!node) |
292 | if (!node) |