linux-kernel - Re: Infinite retries reading the partition table

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Message-ID: <794609.32071.qm@web31811.mail.mud.yahoo.com>
Date:	Tue, 5 Dec 2006 21:00:20 -0800 (PST)
From:	Luben Tuikov <ltuikov@...oo.com>
To:	Michael Reed <mdr@....com>
Cc:	Andrew Morton <akpm@...l.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Infinite retries reading the partition table

--- Michael Reed <mdr@....com> wrote:
> Luben Tuikov wrote:
> ...snip...
> > This statement in scsi_io_completion() causes the infinite retry loop:
> >    if (scsi_end_request(cmd, 1, good_bytes, !!result) == NULL)
> >          return;
> 
> The code in 2.6.19 is "result==0", not "!!result", which is logically
> the same as "result!=0".  Did you mean to change the logic here?
> Am I missing something?

Hmm, I think my trees have !!result from an earlier patch I posted.

In this case it would appear that the second chunk of the patch
wouldn't be necessary, since result==0 would be false, and it
wouldn't retry.

    Luben



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