--- linux-2.4.21.SuSE/mm/filemap.c	2003-07-04 14:02:32.000000000 +0200
+++ linux-2.4.21.SuSE.new/mm/filemap.c	2003-07-23 16:01:54.000000000 +0200
@@ -1708,7 +1708,8 @@
 		}
 		up(&inode->i_sem);
 		up_read(&inode->i_alloc_sem);
-		UPDATE_ATIME(filp->f_dentry->d_inode);
+		if (!S_ISBLK(inode->i_mode))
+			UPDATE_ATIME(filp->f_dentry->d_inode);
 		goto out;
 	}
 }
@@ -3612,7 +3613,8 @@
 	time_t now = CURRENT_TIME;
 
 	remove_suid(inode);
-	if (inode->i_ctime != now || inode->i_mtime != now) {
+	if ((inode->i_ctime != now || inode->i_mtime != now) && 
+	    !S_ISBLK(inode->i_mode)) {
 		inode->i_ctime = inode->i_mtime = now;
 		mark_inode_dirty_sync(inode);
 	}