linux-kernel - [PATCH v2 4/8] s390: replace zfcp_qdio_sbale_count by sg

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Date:	Fri, 18 Sep 2015 14:57:12 +0200
From:	LABBE Corentin <clabbe.montjoie@...il.com>
To:	herbert@...dor.apana.org.au, davem@...emloft.net,
	heiko.carstens@...ibm.com, maier@...ux.vnet.ibm.com,
	schwidefsky@...ibm.com
Cc:	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	LABBE Corentin <clabbe.montjoie@...il.com>,
	linux-s390@...r.kernel.org
Subject: [PATCH v2 4/8] s390: replace zfcp_qdio_sbale_count by sg_nents

The zfcp_qdio_sbale_count function do the same work than sg_nents().
So replace it by sg_nents() for removing duplicate code.

Signed-off-by: LABBE Corentin <clabbe.montjoie@...il.com>
---
 drivers/s390/scsi/zfcp_fsf.c  |  3 +--
 drivers/s390/scsi/zfcp_qdio.h | 15 ---------------
 2 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 522a633..edc137a 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -985,8 +985,7 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
 		if (zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sg_resp))
 			return -EIO;
 
-		zfcp_qdio_set_data_div(qdio, &req->qdio_req,
-					zfcp_qdio_sbale_count(sg_req));
+		zfcp_qdio_set_data_div(qdio, &req->qdio_req, sg_nents(sg_req));
 		zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
 		zfcp_qdio_set_scount(qdio, &req->qdio_req);
 		return 0;
diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h
index 497cd37..85cdb82 100644
--- a/drivers/s390/scsi/zfcp_qdio.h
+++ b/drivers/s390/scsi/zfcp_qdio.h
@@ -225,21 +225,6 @@ void zfcp_qdio_set_data_div(struct zfcp_qdio *qdio,
 }
 
 /**
- * zfcp_qdio_sbale_count - count sbale used
- * @sg: pointer to struct scatterlist
- */
-static inline
-unsigned int zfcp_qdio_sbale_count(struct scatterlist *sg)
-{
-	unsigned int count = 0;
-
-	for (; sg; sg = sg_next(sg))
-		count++;
-
-	return count;
-}
-
-/**
  * zfcp_qdio_real_bytes - count bytes used
  * @sg: pointer to struct scatterlist
  */
-- 
2.4.6

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