Changeset 623 for trunk/kernel/syscalls/sys_write.c

Timestamp:

Mar 6, 2019, 4:37:15 PM (5 years ago)

Author:

alain

Message:

Introduce three new types of vsegs (KCODE,KDATA,KDEV)
to map the kernel vsegs in the process VSL and GPT.
This now used by both the TSAR and the I86 architectures.

File:

• trunk/kernel/syscalls/sys_write.c (modified) (1 diff)

trunk/kernel/syscalls/sys_write.c

@@ -173 +173 @@
         }
 
-        // update size field in inode if required
-        xptr_t   size_xp    = XPTR( file_cxy , &inode_ptr->size );
-        uint32_t inode_size = hal_remote_l32( size_xp );
-        if ( (file_offset + count) > inode_size )
-        {
-            hal_remote_s32( size_xp , file_offset + count );
-        }
+        // update file size in inode descriptor
+        // only if (file_offset + count) > current_size
+        // note: the parent directory entry in mapper will
+        // be updated by the close syscall      
+        xptr_t inode_xp = XPTR( file_cxy , inode_ptr );
+        vfs_inode_update_size( inode_xp , file_offset + count );
+
     }
     else if( file_type == INODE_TYPE_DEV )  // write to TXT device