| 99,17 → 99,38 |
|---|
| } fs_info_t; |
| |
| /** |
| * Instances of this type represent a file system node (e.g. directory, file). |
| * They are abstracted away from any file system implementation and contain just |
| * enough bits to uniquely identify the object in its file system instance. |
| * VFS_PAIR uniquely represents a file system instance. |
| */ |
| #define VFS_PAIR \ |
| int fs_handle; \ |
| int dev_handle; |
| |
| /** |
| * VFS_TRIPLET uniquely identifies a file system node (e.g. directory, file) but |
| * doesn't contain any state. For a stateful structure, see vfs_node_t. |
| * |
| * @note fs_handle, dev_handle and index are meant to be returned in one |
| * IPC reply. |
| */ |
| #define VFS_TRIPLET \ |
| VFS_PAIR; \ |
| uint64_t index; |
| |
| typedef struct { |
| int fs_handle; /**< Global file system ID. */ |
| int dev_handle; /**< Global mount device devno. */ |
| uint64_t index; /**< Index of the node on its file system. */ |
| VFS_PAIR; |
| } vfs_pair_t; |
| |
| typedef struct { |
| VFS_TRIPLET; |
| } vfs_triplet_t; |
| |
| /** |
| * Instances of this type represent an active, in-memory VFS node and any state |
| * which may be associated with it. |
| */ |
| typedef struct { |
| VFS_TRIPLET; /**< Identity of the node. */ |
| atomic_t refcnt; /**< Usage counter. */ |
| } vfs_node_t; |
| |
| /** |
| 128,7 → 149,7 |
|---|
| |
| extern link_t fs_head; /**< List of registered file systems. */ |
| |
| extern vfs_node_t rootfs; /**< Root node of the root file system. */ |
| extern vfs_triplet_t rootfs; /**< Root node of the root file system. */ |
| |
| #define MAX_PATH_LEN (64 * 1024) |
| |
| 150,7 → 171,7 |
|---|
| |
| extern int fs_name_to_handle(char *, bool); |
| |
| extern int vfs_lookup_internal(char *, size_t, vfs_node_t *, vfs_node_t *); |
| extern int vfs_lookup_internal(char *, size_t, vfs_triplet_t *, vfs_pair_t *); |
| |
| #define MAX_OPEN_FILES 128 |
| |