From: Andrea Arcangeli <andrea@suse.de>
To: Marcelo Tosatti <marcelo@conectiva.com.br>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Jens Axboe <axboe@suse.de>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: ll_rw_block/submit_bh and request limits
Date: Fri, 23 Feb 2001 00:12:52 +0100 [thread overview]
Message-ID: <20010223001252.D30330@athlon.random> (raw)
In-Reply-To: <20010222223811.A29372@athlon.random> <Pine.LNX.4.21.0102221832470.2401-100000@freak.distro.conectiva> <20010222235700.B30330@athlon.random>
In-Reply-To: <20010222235700.B30330@athlon.random>; from andrea@suse.de on Thu, Feb 22, 2001 at 11:57:00PM +0100
On Thu, Feb 22, 2001 at 11:57:00PM +0100, Andrea Arcangeli wrote:
> unsane to wait kupdate to submit 10G of ram to a single harddisk before
> unplugging on a 30G machine.
actually kupdate will unplug itself the queue but in theory it can grow the
queue still up to such level after the I/O started. I think we'd better
add an high limit on the in flight I/O watermark.
Andrea
next prev parent reply other threads:[~2001-02-22 23:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-22 9:41 ll_rw_block/submit_bh and request limits Marcelo Tosatti
2001-02-22 13:56 ` Jens Axboe
2001-02-22 18:59 ` Linus Torvalds
2001-02-22 20:32 ` Marcelo Tosatti
2001-02-22 21:38 ` Andrea Arcangeli
2001-02-22 20:40 ` Marcelo Tosatti
2001-02-22 22:57 ` Andrea Arcangeli
2001-02-22 21:44 ` Marcelo Tosatti
2001-02-22 23:54 ` Andrea Arcangeli
2001-02-22 23:12 ` Andrea Arcangeli [this message]
2001-02-25 17:34 ` Jens Axboe
2001-02-25 19:26 ` Andrea Arcangeli
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