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Date: Fri, 23 Feb 2001 00:12:52 +0100
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
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In-Reply-To: <20010222235700.B30330@athlon.random>; from andrea@suse.de on Thu, Feb 22, 2001 at 11:57:00PM +0100
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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
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