linux-kernel - Re: [PATCH 4/2] ide-{floppy,tape}: remove request stack

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Message-ID: <20080806193826.GB31312@gollum.tnic>
Date:	Wed, 6 Aug 2008 21:38:26 +0200
From:	Borislav Petkov <petkovbb@...glemail.com>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/2] ide-{floppy,tape}: remove request stack

On Wed, Aug 06, 2008 at 08:33:24PM +0200, Bartlomiej Zolnierkiewicz wrote:
> On Wed, Aug 6, 2008 at 7:14 PM, Bartlomiej Zolnierkiewicz
> <bzolnier@...il.com> wrote:
> 
> [...]
> 
> > ---
> > pc stack can also be removed with a bit of care, we just need sth like:
> >
> > - add request_sense_pc (request_sense_rq alike)
> >
> > - dynamically allocate pc-s for blk_{fs,pc}_request() in ide-floppy.c
> >  and for REQ_IDETAPE_{READ,WRITE} in ide-tape.c
> >
> > - add PC_FLAG_DYN for dynamically allocated pc-s
> >
> > - (the difficult part) figure out where to put freeing of dynamic pc-s
> >
> > Borislav, AFAIR you had some patches doing dynamic pc/rq-s?
> > Maybe it would be possible to dust off just their rq-parts?
> 
> Please disregard above comments -- I found a better way to deal with rq stack.

Looks good so far, even slimmer than the dynamic alloc ones i'd done. Will test
with ide-floppy on the weekend.

-- 
Regards/Gruss,
    Boris.
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