Changeset f17667a in mainline for uspace/srv/fs/tmpfs/tmpfs_ops.c

Timestamp:

2008-02-17T13:32:53Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

2616965d

Parents:

b5553a2

Message:

Add the VFS_FREE operation. This operation frees up whatever resources used by
a file system node for which there is no name (i.e. an unlinked node).

Cleanup VFS operations enums and remove unneeded VFS operations.

File:

• uspace/srv/fs/tmpfs/tmpfs_ops.c (modified) (1 diff)

uspace/srv/fs/tmpfs/tmpfs_ops.c

@@ -497 +497 @@
 }
 
+void tmpfs_free(ipc_callid_t rid, ipc_call_t *request)
+{
+        int dev_handle = IPC_GET_ARG1(*request);
+        unsigned long index = IPC_GET_ARG2(*request);
+
+        link_t *hlp;
+        hlp = hash_table_find(&dentries, &index);
+        if (!hlp) {
+                ipc_answer_0(rid, ENOENT);
+                return;
+        }
+        tmpfs_dentry_t *dentry = hash_table_get_instance(hlp, tmpfs_dentry_t,
+            dh_link);
+        
+        assert(!dentry->parent);
+        assert(!dentry->child);
+        assert(!dentry->sibling);
+
+        if (dentry->type == TMPFS_FILE)
+                free(dentry->data);
+        free(dentry->name);
+        free(dentry);
+
+        ipc_answer_0(rid, EOK);
+}
+
 /**
  * @}