linux-kernel - Re: [PATCH 0/3] block: completion related functions cleanup

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Date:	Thu, 14 May 2009 17:15:05 +0300
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	Tejun Heo <tj@...nel.org>
CC:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	jens.axboe@...cle.com, James.Bottomley@...senPartnership.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] block: completion related functions cleanup

On 05/14/2009 05:05 PM, Tejun Heo wrote:
> Nice spotting.  Looks like the variable can be killed completely?
> 
> Thanks.
> 

Sorry yes, here:
---
From: Boaz Harrosh <bharrosh@...asas.com>
Date: Thu, 14 May 2009 16:46:03 +0300
Subject: [PATCH] scsi_lib: remove unused variable

The last request completion cleanup in scsi_lib left an unused
this_count variable in scsi_io_completion().
(It was used before in a code segment that now uses blk_end_request_all())

Signed-off-by: Boaz Harrosh <bharrosh@...asas.com>
---
 drivers/scsi/scsi_lib.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index e410d66..d7c6c75 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -706,7 +706,6 @@ EXPORT_SYMBOL(scsi_release_buffers);
 void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 {
 	int result = cmd->result;
-	int this_count;
 	struct request_queue *q = cmd->device->request_queue;
 	struct request *req = cmd->request;
 	int error = 0;
@@ -789,7 +788,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
 	 */
 	if (scsi_end_request(cmd, error, good_bytes, result == 0) == NULL)
 		return;
-	this_count = blk_rq_bytes(req);
 
 	error = -EIO;
 
-- 
1.6.2.1
--
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