1 | | = VFS types = |
2 | | |
3 | | {{{ |
4 | | struct vfs_mount_state_s |
5 | | { |
6 | | vfs_fs_open_t *open; |
7 | | vfs_fs_lookup_t *lookup; |
8 | | vfs_fs_create_t *create; |
9 | | vfs_fs_link_t *link; |
10 | | vfs_fs_unlink_t *unlink; |
11 | | vfs_fs_stat_t *stat; |
12 | | |
13 | | struct vfs_node_dir_s *old_node; |
14 | | struct vfs_node_dir_s *root; |
15 | | }; |
16 | | |
17 | | /* base object, inherited twice */ |
18 | | struct vfs_node_base_s |
19 | | { |
20 | | CONTAINER_ENTRY_TYPE(HASHLIST) hash_entry; |
21 | | enum vfs_node_type_e type; |
22 | | struct vfs_mount_state_s *mount; |
23 | | char name[CONFIG_VFS_NAMELEN]; |
24 | | struct vfs_node_dir_s *parent; |
25 | | }; |
26 | | |
27 | | struct vfs_node_dir_s |
28 | | { |
29 | | struct vfs_node_base_s base; |
30 | | vfs_node_dir_entry_t obj_entry; |
31 | | vfs_dir_hash_root_t children; |
32 | | }; |
33 | | |
34 | | struct vfs_node_leaf_s |
35 | | { |
36 | | struct vfs_node_base_s base; |
37 | | vfs_node_leaf_entry_t obj_entry; |
38 | | }; |
39 | | |
40 | | /* opened file, it defines the operations */ |
41 | | struct vfs_file_s |
42 | | { |
43 | | struct vfs_node_s *node; |
44 | | vfs_file_close_t *close; |
45 | | vfs_file_read_t *read; |
46 | | vfs_file_write_t *write; |
47 | | vfs_file_seek_t *seek; |
48 | | }; |
49 | | }}} |
50 | | |
51 | | = VFS operations = |
52 | | |
53 | | {{{ |
54 | | error_t vfs_mount(struct vfs_node_dir_s *mountpoint, |
55 | | struct vfs_node_dir_s *fs_root); |
56 | | |
57 | | error_t vfs_umount(struct vfs_node_dir_s *fs_root); |
58 | | |
59 | | error_t vfs_node_lookup(struct vfs_node_dir_s *parent, |
60 | | const char *name, |
61 | | size_t namelen, |
62 | | struct vfs_node_base_s **node); |
63 | | |
64 | | error_t vfs_node_create(struct vfs_mount_state_s *fs, |
65 | | enum vfs_node_type_e type, |
66 | | struct vfs_node_base_s **node); |
67 | | |
68 | | error_t vfs_node_link(struct vfs_node_dir_s *parent, |
69 | | struct vfs_node_base_s *node, |
70 | | const char *name, |
71 | | size_t namelen); |
72 | | |
73 | | error_t vfs_node_unlink(struct vfs_node_dir_s *parent, |
74 | | const char *name, |
75 | | size_t namelen); |
76 | | |
77 | | error_t vfs_node_stat(struct vfs_node_base_s *node, |
78 | | struct vfs_stat_s *stat); |
79 | | |
80 | | error_t vfs_file_open(struct vfs_node_leaf_s *ref, |
81 | | struct vfs_file_s **file); |
82 | | }}} |
| 1 | [source:branches/200911-vfs/libvfs/include/vfs] |