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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: petkovbb@gmail.com
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH 4/4] ide-tape: remove pipeline-specific code from idetape_add_chrdev_read_request()
Date: Wed, 12 Mar 2008 14:51:23 +0100	[thread overview]
Message-ID: <200803121451.23925.bzolnier@gmail.com> (raw)
In-Reply-To: <20080312055803.GD4266@gollum.tnic>


Hi,

On Wednesday 12 March 2008, Borislav Petkov wrote:

[...]

> > > the read request's buffer directly thru idetape_queue_rw_tail()
> > > 
> > > 3. Do next request buffer allocation (tape->merge_stage)
> > 
> > Isn't idetape_init_read() taking care of 3.?
> 
> i wanted to have the whole handling at one place and let _init_read() only
> prepare the read. Now we don't allocate any new tape->merge_stage anymore,
> which is wrong. Originally, this happened in _init_read(), however, if we do
> idetape_queue_rw_tail(), we should alloc the new stage _after_ queueing the

The original driver doesn't do this - it just calls idetape_queue_rw_tail(),
could it be a bug in the original driver?

[ ditto for idetape_queue_rw_tail() for writes ]

> request, which means it cannot happen _init_read() now and should take place
> afterwards, i.e. as it was in the original patch, or?

  reply	other threads:[~2008-03-12 13:37 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-09 17:10 [PATCH 0/4] ide-tape: remove pipeline functionality-v2 Borislav Petkov
2008-03-09 17:10 ` [PATCH 1/4] ide-tape: remove tape->cache_stage Borislav Petkov
2008-03-10 23:24   ` Bartlomiej Zolnierkiewicz
2008-03-11  6:40     ` Borislav Petkov
2008-03-09 17:10 ` [PATCH 2/4] ide-tape: remove pipeline-specific code from idetape_add_chrdev_write_request Borislav Petkov
2008-03-10 23:25   ` Bartlomiej Zolnierkiewicz
2008-03-12  5:41     ` Borislav Petkov
2008-03-12 13:51       ` Bartlomiej Zolnierkiewicz
2008-03-12 14:31       ` Bartlomiej Zolnierkiewicz
2008-03-09 17:10 ` [PATCH 3/4] ide-tape remove pipeline speed/control calculations Borislav Petkov
2008-03-10 23:25   ` Bartlomiej Zolnierkiewicz
2008-03-09 17:10 ` [PATCH 4/4] ide-tape: remove pipeline-specific code from idetape_add_chrdev_read_request() Borislav Petkov
2008-03-10 23:25   ` Bartlomiej Zolnierkiewicz
2008-03-12  5:58     ` Borislav Petkov
2008-03-12 13:51       ` Bartlomiej Zolnierkiewicz [this message]
2008-03-13  6:19         ` Borislav Petkov
2008-03-10 23:24 ` [PATCH 0/4] ide-tape: remove pipeline functionality-v2 Bartlomiej Zolnierkiewicz

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