linux-kernel - [PATCH v3 01/16] scsi: Get rid of struct fc_bsg

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Message-Id: <f3ec22a53e5165c8e57440e26dcc7b0dbb73800a.1476369687.git.jthumshirn@suse.de>
Date:   Thu, 13 Oct 2016 17:00:17 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     "Martin K . Petersen" <martin.petersen@...cle.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Hannes Reinecke <hare@...e.de>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        James Smart <james.smart@...gotech.com>,
        Dick Kennedy <dick.kennedy@...gotech.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>
Subject: [PATCH v3 01/16] scsi: Get rid of struct fc_bsg_buffer

struct fc_bsg_buffer is just a clone of struct bsg_buffer from bsg-lib,
so use this one instead.

Signed-off-by: Johannes Thumshirn <jthumshirn@...e.de>
Reviewed-by: Hannes Reinecke <hare@...e.com>
---
 drivers/scsi/lpfc/lpfc_bsg.c     |  3 ++-
 drivers/scsi/scsi_transport_fc.c |  2 +-
 include/scsi/scsi_transport_fc.h | 12 +++---------
 3 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 05dcc2a..1002627 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -24,6 +24,7 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/list.h>
+#include <linux/bsg-lib.h>
 
 #include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
@@ -211,7 +212,7 @@ struct lpfc_dmabufext {
 
 static unsigned int
 lpfc_bsg_copy_data(struct lpfc_dmabuf *dma_buffers,
-		   struct fc_bsg_buffer *bsg_buffers,
+		   struct bsg_buffer *bsg_buffers,
 		   unsigned int bytes_to_transfer, int to_buffers)
 {
 
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 0f3a386..8ff2067 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3671,7 +3671,7 @@ static void fc_bsg_softirq_done(struct request *rq)
 }
 
 static int
-fc_bsg_map_buffer(struct fc_bsg_buffer *buf, struct request *req)
+fc_bsg_map_buffer(struct bsg_buffer *buf, struct request *req)
 {
 	size_t sz = (sizeof(struct scatterlist) * req->nr_phys_segments);
 
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index bf66ea6..921b097 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -28,6 +28,7 @@
 #define SCSI_TRANSPORT_FC_H
 
 #include <linux/sched.h>
+#include <linux/bsg-lib.h>
 #include <asm/unaligned.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_netlink.h>
@@ -624,13 +625,6 @@ struct fc_host_attrs {
 #define fc_host_dev_loss_tmo(x) \
 	(((struct fc_host_attrs *)(x)->shost_data)->dev_loss_tmo)
 
-
-struct fc_bsg_buffer {
-	unsigned int payload_len;
-	int sg_cnt;
-	struct scatterlist *sg_list;
-};
-
 /* Values for fc_bsg_job->state_flags (bitflags) */
 #define FC_RQST_STATE_INPROGRESS	0
 #define FC_RQST_STATE_DONE		1
@@ -659,8 +653,8 @@ struct fc_bsg_job {
 	 */
 
 	/* DMA payloads for the request/response */
-	struct fc_bsg_buffer request_payload;
-	struct fc_bsg_buffer reply_payload;
+	struct bsg_buffer request_payload;
+	struct bsg_buffer reply_payload;
 
 	void *dd_data;			/* Used for driver-specific storage */
 };
-- 
1.8.5.6