Changeset 69a60c4 in mainline

Timestamp:

2010-07-28T15:23:25Z (14 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

7dfd339

Parents:

571addd

Message:

implement sync

Location:

uspace/srv/fs

Files:

• fat/fat_ops.c (modified) (1 diff)
• tmpfs/tmpfs_ops.c (modified) (1 diff)

uspace/srv/fs/fat/fat_ops.c

@@ -1564 +1564 @@
 void fat_sync(ipc_callid_t rid, ipc_call_t *request)
 {
-        /* Dummy implementation */
-        ipc_answer_0(rid, EOK);
+        dev_handle_t dev_handle = (dev_handle_t) IPC_GET_ARG1(*request);
+        fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request);
+        
+        fs_node_t *fn;
+        int rc = fat_node_get(&fn, dev_handle, index);
+        if (rc != EOK) {
+                ipc_answer_0(rid, rc);
+                return;
+        }
+        if (!fn) {
+                ipc_answer_0(rid, ENOENT);
+                return;
+        }
+        
+        fat_node_t *nodep = FAT_NODE(fn);
+        
+        nodep->dirty = true;
+        rc = fat_node_sync(nodep);
+        
+        fat_node_put(fn);
+        ipc_answer_0(rid, rc);
 }
 

uspace/srv/fs/tmpfs/tmpfs_ops.c

@@ -736 +736 @@
 void tmpfs_sync(ipc_callid_t rid, ipc_call_t *request)
 {
-        /* Dummy implementation */
+        /*
+         * TMPFS keeps its data structures always consistent,
+         * thus the sync operation is a no-op.
+         */
         ipc_answer_0(rid, EOK);
 }