linux-kernel - Re: [PATCH 10/32] ide-tape: remove struct idetape_read_position_result

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Message-Id: <200801272043.12270.bzolnier@gmail.com>
Date:	Sun, 27 Jan 2008 20:43:12 +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 <bbpetkov@...oo.de>
Subject: Re: [PATCH 10/32] ide-tape: remove struct idetape_read_position_result_t

On Sunday 27 January 2008, Borislav Petkov wrote:
> From: Borislav Petkov <bbpetkov@...oo.de>
> 
> There should be no functional changes resulting from this patch.
> 
> Signed-off-by: Borislav Petkov <bbpetkov@...oo.de>
> ---
>  drivers/ide/ide-tape.c |   49 +++++++++++++++++------------------------------
>  1 files changed, 18 insertions(+), 31 deletions(-)

[...]
  
> -static ide_startstop_t idetape_read_position_callback (ide_drive_t *drive)
> +static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive)
>  {
>  	idetape_tape_t *tape = drive->driver_data;
> -	idetape_read_position_result_t *result;
> +	u8 *readpos = tape->pc->buffer;
>  
>  	debug_log(DBG_PROCS, "Enter %s\n", __func__);
>  
>  	if (!tape->pc->error) {
> -		result = (idetape_read_position_result_t *) tape->pc->buffer;
> -		debug_log(DBG_SENSE, "BOP - %s\n", result->bop ? "Yes" : "No");
> -		debug_log(DBG_SENSE, "EOP - %s\n", result->eop ? "Yes" : "No");
> +		debug_log(DBG_SENSE, "BOP - %s\n",
> +				!!(readpos[0] & 0x80) ? "Yes" : "No");
> +		debug_log(DBG_SENSE, "EOP - %s\n",
> +				!!(readpos[0] & 0x40) ? "Yes" : "No");
> +
> +		if (!!(readpos[0] & 0x4)) {
> +			printk(KERN_INFO "ide-tape: Block location is unknown"
> +					"to the tape\n");

all "!!" above are unnecessary

Otherwise is fine but depends on patch #7 so I couldn't merge it
(please move this patch near the beginning of the series).

Thanks,
Bart
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