On Tue, Jan 31, 2012 at 07:42:56PM +0800, Wu Fengguang wrote: > > So what? Better do a bit more work now and keep the damn thing > > maintainable. > > What if we add a wrapper function for doing > > blk_start_plug(&plug); > ->direct_IO() > blk_finish_plug(&plug); No. Just put it into __blockdev_direct_IO - a quick 2 minute audit of the kernel source shows that is in fact the only ->direct_IO instance which ever submits block I/O anyway. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>