Changeset 614 for trunk/kernel/kern/kernel_init.c

Timestamp:

Jan 15, 2019, 1:59:32 PM (4 years ago)

Author:

alain

Message:

1) introduce a dev_ioc_sync_write() function in IOC API,

to improve the DEVFS synchronous update.

2) fix a big bug in both the user_dir_create() and user_dir_destroy()

functions: add an extended pointer on the reference client process
in the function's arguments.

File:

• trunk/kernel/kern/kernel_init.c (modified) (3 diffs)

trunk/kernel/kern/kernel_init.c

@@ -1113 +1113 @@
         vfs_root_inode_xp = XPTR_NULL;
 
-        // File System must be FATFS in this implementation,
-        // but other File System can be introduced here
+        // Only FATFS is supported yet,
+        // other File System can be introduced here
         if( CONFIG_VFS_ROOT_IS_FATFS )
         {
@@ -1172 +1172 @@
         }
 
+        // create the <.> and <..> dentries in VFS root directory
+        // the VFS root parent inode is the VFS root inode itself 
+        vfs_add_special_dentries( vfs_root_inode_xp,
+                                  vfs_root_inode_xp );
+
         // register VFS root inode in process_zero descriptor of cluster 0
         process_zero.vfs_root_xp = vfs_root_inode_xp;
@@ -1255 +1260 @@
 #if DEBUG_KERNEL_INIT
 if( (core_lid ==  0) & (local_cxy == 1) ) 
-printk("\n[%s] : exit barrier 4 : VFS root (%x,%x) in cluster 1 / cycle %d\n",
+printk("\n[%s] : exit barrier 5 : VFS root (%x,%x) in cluster 1 / cycle %d\n",
 __FUNCTION__, GET_CXY(process_zero.vfs_root_xp),
 GET_PTR(process_zero.vfs_root_xp), (uint32_t)hal_get_cycles() );