Changeset b5553a2 in mainline for uspace/srv/vfs/vfs.h

Timestamp:

2008-02-16T11:23:19Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

f17667a

Parents:

8ccd2ea

Message:

Introduce the notion of VFS node link counts.

File:

• uspace/srv/vfs/vfs.h (modified) (2 diffs)

uspace/srv/vfs/vfs.h

@@ -174 +174 @@
         vfs_triplet_t triplet;
         size_t size;
+        unsigned lnkcnt;
 } vfs_lookup_res_t;
 
@@ -182 +183 @@
 typedef struct {
         VFS_TRIPLET;            /**< Identity of the node. */
-        unsigned refcnt;        /**< Usage counter. */
+
+        /**
+         * Usage counter.  This includes, but is not limited to, all vfs_file_t
+         * structures that reference this node.
+         */
+        unsigned refcnt;
+        
+        /** Number of names this node has in the file system namespace. */
+        unsigned lnkcnt;
+
         link_t nh_link;         /**< Node hash-table link. */
         size_t size;            /**< Cached size of the file. */