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Commit f1346372 authored by FUJITA Tomonori's avatar FUJITA Tomonori Committed by Jens Axboe
Browse files

zfcp: sg chaining support 



Signed-off-by: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent e0eaf888

drivers/s390/scsi/zfcp_def.h

+1 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <linux/slab.h>

#include <linux/mempool.h>

#include <linux/syscalls.h>

#include <linux/scatterlist.h>

#include <linux/ioctl.h>

#include <scsi/scsi.h>

#include <scsi/scsi_tcq.h>

drivers/s390/scsi/zfcp_qdio.c

+2 −4
Original line number Diff line number Diff line
@@ -590,7 +590,7 @@ zfcp_qdio_sbals_from_segment(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, 
 */

int

zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,

                        struct scatterlist *sg,	int sg_count, int max_sbals)

                        struct scatterlist *sgl, int sg_count, int max_sbals)

{

	int sg_index;

	struct scatterlist *sg_segment;
@@ -606,9 +606,7 @@ zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, 
	sbale->flags |= sbtype;



	/* process all segements of scatter-gather list */

	for (sg_index = 0, sg_segment = sg, bytes = 0;

	     sg_index < sg_count;

	     sg_index++, sg_segment++) {

	for_each_sg(sgl, sg_segment, sg_count, sg_index) {

		retval = zfcp_qdio_sbals_from_segment(

				fsf_req,

				sbtype,