Changeset 629 for trunk/kernel/fs/vfs.c

Timestamp:

May 17, 2019, 9:27:04 AM (5 years ago)

Author:

alain

Message:

Remove the "giant" rwlock protecting the GPT, and
use the GPT_LOCKED attribute in each PTE to prevent
concurrent modifications of one GPT entry.
The version number has been incremented to 2.1.

File:

• trunk/kernel/fs/vfs.c (modified) (3 diffs)

trunk/kernel/fs/vfs.c

@@ -2608 +2608 @@
 #if (DEBUG_VFS_LOOKUP & 1)
 if( DEBUG_VFS_LOOKUP < cycle )
-printk("\n[%s] thread[%x,%x] created missing inode <%s> in cluster %x\n",
+printk("\n[%s] thread[%x,%x] created missing inode for <%s> in cluster %x\n",
 __FUNCTION__, process->pid, this->trdid, name, child_cxy );
 #endif
@@ -2629 +2629 @@
 
                 // when the missing dentry is not in the parent mapper,
-                // it is a new dentry that must be registered in parent directory mapper
+                // a new dentry must be registered in parent directory mapper
                 if ( error )
                 {
@@ -2814 +2814 @@
 
     // 1. allocate one free cluster in file system to child inode,
-    // and update the File Allocation Table in both the TAF mapper and IOC device.
+    // and update the File Allocation Table in both the FAT mapper and IOC device.
     // It depends on the child inode FS type.
     vfs_ctx_t * ctx = hal_remote_lpt( XPTR( child_cxy , &child_ptr->ctx ) );