From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 14 Aug 2000 09:16:06 +0100 From: "Stephen C. Tweedie" Subject: Re: non-buffers writes Message-ID: <20000814091606.I12218@redhat.com> References: <3986D82A.CF9DEE2A@SANgate.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3986D82A.CF9DEE2A@SANgate.com>; from gabriel@SANgate.com on Tue, Aug 01, 2000 at 05:01:14PM +0300 Sender: owner-linux-mm@kvack.org Return-Path: To: BenHanokh Gabriel Cc: linux-mm@kvack.org List-ID: Hi, On Tue, Aug 01, 2000 at 05:01:14PM +0300, BenHanokh Gabriel wrote: > > how can i do direct writes to disk without the buffer-cache overhead? > i failed to see any relevant flag to open() , nor any fnctl() Via /dev/raw/raw* raw devices ("man raw"). We plan much more powerful direct IO functionality for 2.5 (which should support O_DIRECT opening of devices and regular files), but for now raw IO is the only supported mechanism. Cheers, Stephen -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/