Changeset 5f4cfb1e in mainline for uspace/srv/fs

Timestamp:

2007-09-28T10:36:31Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

13125d3

Parents:

566d798d

Message:

VFS work.
Upon FS registration via VFS_REGISTER, the client is assigned a unique file
system handle. When generating the VFS_LOOKUP request in VFS, we also need to
pass the device handle. Add function to transform file system handle to phone.
Implement basic multi-call VFS request serialization on VFS side.

File:

• uspace/srv/fs/fat/fat.c (modified) (5 diffs)

uspace/srv/fs/fat/fat.c

@@ -43 +43 @@
 #include <unistd.h>
 #include <stdio.h>
-#include <as.h>>
+#include <as.h>
 #include "../../vfs/vfs.h"
 
@@ -65 +65 @@
 
 uint8_t *plb_ro = NULL;
+
+int fs_handle = 0;
 
 /**
@@ -156 +158 @@
          * Request sharing the Path Lookup Buffer with VFS.
          */
-        rc = ipc_call_sync_3(vfs_phone, IPC_M_AS_AREA_RECV, plb_ro, PLB_SIZE, 0,
-            NULL, NULL, NULL);
+        rc = ipc_call_sync_3(vfs_phone, IPC_M_AS_AREA_RECV, (ipcarg_t) plb_ro,
+            PLB_SIZE, 0, NULL, NULL, NULL);
         if (rc) {
                 async_wait_for(req, NULL);
@@ -164 +166 @@
          
         /*
+         * Pick up the answer for the request to the VFS_REQUEST call.
+         */
+        async_wait_for(req, NULL);
+        fs_handle = (int) IPC_GET_ARG1(answer);
+        dprintf("FAT filesystem registered, fs_handle=%d.\n", fs_handle);
+
+        /*
          * Create a connection fibril to handle the callback connection.
          */
@@ -173 +182 @@
          */
         async_set_client_connection(fat_connection);
-
-        /*
-         * Pick up the answer for the request to the VFS_REQUEST call.
-         */
-        async_wait_for(req, NULL);
-        dprintf("FAT filesystem registered.\n");
 
         async_create_manager();