linux-kernel - Re: [PATCH block#for-2.6.31 1/3] ub: use __blk_end_request

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Message-Id: <20090515113114.68ae93ae.zaitcev@redhat.com>
Date:	Fri, 15 May 2009 11:31:14 -0600
From:	Pete Zaitcev <zaitcev@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Boaz Harrosh <bharrosh@...asas.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Borislav Petkov <petkovbb@...glemail.com>
Subject: Re: [PATCH block#for-2.6.31 1/3] ub: use __blk_end_request_all()

On Sat, 16 May 2009 00:14:35 +0900, Tejun Heo <tj@...nel.org> wrote:

> @@ -834,12 +829,7 @@ static void ub_end_rq(struct request *rq
>  		error = -EIO;
>  		rq->errors = scsi_status;
>  	}
> -	rqlen = blk_rq_bytes(rq);    /* Oddly enough, this is the residue. */
> -	if (__blk_end_request(rq, error, cmd_len)) {
> -		printk(KERN_WARNING DRV_NAME
> -		    ": __blk_end_request blew, %s-cmd total %u rqlen %ld\n",
> -		    blk_pc_request(rq)? "pc": "fs", cmd_len, rqlen);
> -	}
> +	__blk_end_request_all(rq, error);
>  }

I applaud this. We needed blk_end_this_mudafakin_request() for a long time.
Why two underscores?

-- Pete
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