linux-kernel - Re: [PATCH] [SQUASHME] "FC Pass Thru support" fixed for block/for-2.6.31 tree

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Date:	Tue, 19 May 2009 19:05:56 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Boaz Harrosh <bharrosh@...asas.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	James Smart <James.Smart@...lex.Com>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	FUJITA Tomonori <tomof@....org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Jens Axboe <Jens.Axboe@...cle.com>
Subject: Re: [PATCH] [SQUASHME] "FC Pass Thru support" fixed for block/for-2.6.31
 tree

Hello, Boaz.

Just two minor things.

Boaz Harrosh wrote:
>  	/* we assume all request payload was transferred, residual == 0 */
> -	req->data_len = 0;
> +	req->resid_len = 0;
>  
>  	if (rsp) {
> -		rsp_len = blk_rq_bytes(rsp);
> -		BUG_ON(job->reply->reply_payload_rcv_len > rsp_len);

Maybe convert it to WARN_ON() instead of removing?

>  		/* set reply (bidi) residual */
> -		rsp->data_len = (rsp_len - job->reply->reply_payload_rcv_len);
> +		rsp->resid_len = blk_rq_bytes(rsp) -
> +					job->reply->reply_payload_rcv_len;

With the fix-fallouts patchset it, this can be

	rsp->resid_len -= job->reply->reply_payload_rcv_len;

Other than above misc points,

Acked-by: Tejun Heo <tj@...nel.org>

-- 
tejun
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