Wu Fengguang <fengguang.wu@xxxxxxxxx> writes: > Buffered write(2) is not directly tied to IO, so it's not suitable to > handle plug in generic_file_aio_write(). [snip, moved] > Note that plugging for O_SYNC writes is also removed. The user may pass > arbitrary @size arguments, which may be much larger than the preferable > I/O size, or may cross extent/device boundaries. Let the lower layers > handle the plugging. Otherwise the plugging code here will turn the > low level plugging into no-ops. I assume you have some numbers to back this up, right? Care to share those? > Also moves unplugging for direct I/O from around ->direct_IO() down to > do_blockdev_direct_IO(). This could be handled in a separate patch. Acked-by: Jeff Moyer <jmoyer@xxxxxxxxxx> for this part. Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html