Changeset b6035ba in mainline for uspace/lib/libfs/libfs.h

Timestamp:

2009-05-05T22:09:13Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

770d281

Parents:

c852f4be

Message:

Introduce the concept of FS nodes. A FS node is a typed abstraction of
file-system-specific node type. It replaces the void * in libfs interfaces
and is suitable for holding various information such as mount point data.

File:

• uspace/lib/libfs/libfs.h (modified) (1 diff)

uspace/lib/libfs/libfs.h

@@ -43 +43 @@
 
 typedef struct {
-        void * (* match)(void *, const char *);
-        void * (* node_get)(dev_handle_t, fs_index_t);
-        void (* node_put)(void *);
-        void * (* create)(dev_handle_t, int);
-        int (* destroy)(void *);
-        int (* link)(void *, void *, const char *);
-        int (* unlink)(void *, void *);
-        fs_index_t (* index_get)(void *);
-        size_t (* size_get)(void *);
-        unsigned (* lnkcnt_get)(void *);
-        bool (* has_children)(void *);
-        void *(* root_get)(dev_handle_t);
+        void *data;     /**< Data of the file system implementation. */
+} fs_node_t;
+
+typedef struct {
+        fs_node_t * (* match)(fs_node_t *, const char *);
+        fs_node_t * (* node_get)(dev_handle_t, fs_index_t);
+        void (* node_put)(fs_node_t *);
+        fs_node_t * (* create)(dev_handle_t, int);
+        int (* destroy)(fs_node_t *);
+        int (* link)(fs_node_t *, fs_node_t *, const char *);
+        int (* unlink)(fs_node_t *, fs_node_t *);
+        fs_index_t (* index_get)(fs_node_t *);
+        size_t (* size_get)(fs_node_t *);
+        unsigned (* lnkcnt_get)(fs_node_t *);
+        bool (* has_children)(fs_node_t *);
+        fs_node_t *(* root_get)(dev_handle_t);
         char (* plb_get_char)(unsigned pos);    
-        bool (* is_directory)(void *);
-        bool (* is_file)(void *);
+        bool (* is_directory)(fs_node_t *);
+        bool (* is_file)(fs_node_t *);
 } libfs_ops_t;