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Date: Wed, 4 Jun 2003 14:09:32 +0200
From: Andrea Arcangeli <andrea@suse.de>
To: Jens Axboe <axboe@suse.de>
Cc: Nick Piggin <piggin@cyberone.com.au>,
       Marc-Christian Petersen <m.c.p@wolk-project.de>,
       Marcelo Tosatti <marcelo@conectiva.com.br>,
       Georg Nikodym <georgn@somanetworks.com>,
       lkml <linux-kernel@vger.kernel.org>,
       Matthias Mueller <matthias.mueller@rz.uni-karlsruhe.de>
Subject: Re: -rc7   Re: Linux 2.4.21-rc6
Message-ID: <20030604120932.GS3412@x30.school.suse.de>
References: <Pine.LNX.4.55L.0305282019160.321@freak.distro.conectiva> <200306041235.07832.m.c.p@wolk-project.de> <20030604104215.GN4853@suse.de> <200306041246.21636.m.c.p@wolk-project.de> <20030604104825.GR3412@x30.school.suse.de> <3EDDDEBB.4080209@cyberone.com.au> <20030604120053.GQ4853@suse.de>
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On Wed, Jun 04, 2003 at 02:00:53PM +0200, Jens Axboe wrote:
> since you have a single writer and maybe a reader or two. The single
> writer cannot starve anyone else.

unless you're changing an atime and you've to mark_buffer_dirty or
similar (balance_dirty will write stuff the same way from cp and the
reader then).

Maybe we can get some stack trace with kgdb to be sure where the reader
is blocking.

Andrea