linux-kernel - Re: [PATCH 3/4] ide-tape remove pipeline speed/control calculations

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Message-Id: <200803110025.42437.bzolnier@gmail.com>
Date:	Tue, 11 Mar 2008 00:25:42 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Borislav Petkov <petkovbb@...glemail.com>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	Borislav Petkov <petkovbb@...il.com>
Subject: Re: [PATCH 3/4] ide-tape remove pipeline speed/control calculations

On Sunday 09 March 2008, Borislav Petkov wrote:
> Pipeline handling calculations in idetape_calculate_speeds() can
> go since they do not have any effect on other functionality besides:
> 
> 1. info is only being exported through /proc as a read-only item
> (controlled_pipeline_head_speed, uncontrolled_pipeline_head_speed)
> 
> 2. used in idetape_restart_speed_control() which, in turn, is unrelated to
> other code
> 
> 3. used only for pipeline frames number accounting (tape->pipeline_head),
> also unused elsewhere.
> 
> 4.some variables are:
>         only written to: tape->buffer_head;
>         unused: tape->tape_head, tape->last_tape_head
> 
> Signed-off-by: Borislav Petkov <petkovbb@...il.com>

applied
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