Changeset b6035ba in mainline for uspace/srv/fs/tmpfs/tmpfs.h

Timestamp:

2009-05-05T22:09:13Z (15 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/srv/fs/tmpfs/tmpfs.h (modified) (2 diffs)

uspace/srv/fs/tmpfs/tmpfs.h

@@ -45 +45 @@
 #endif
 
+#define TMPFS_NODE(node)        ((node) ? (tmpfs_dentry_t *)(node)->data : NULL)
+#define FS_NODE(node)           ((node) ? (node)->bp : NULL)
+
 typedef enum {
         TMPFS_NONE,
@@ -52 +55 @@
 
 typedef struct tmpfs_dentry {
+        fs_node_t *bp;          /**< Back pointer to the FS node. */
         fs_index_t index;       /**< TMPFS node index. */
         dev_handle_t dev_handle;/**< Device handle. */