From: Ming Lei <ming.lei@redhat.com> To: linux-scsi@vger.kernel.org, "Martin K . Petersen" <martin.petersen@oracle.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com>, Bart Van Assche <bvanassche@acm.org>, Hannes Reinecke <hare@suse.com>, Christoph Hellwig <hch@lst.de>, Jim Gill <jgill@vmware.com>, Cathy Avery <cavery@redhat.com>, "Ewan D . Milne" <emilne@redhat.com>, Brian King <brking@us.ibm.com>, James Smart <james.smart@broadcom.com>, "Juergen E . Fischer" <fischer@norbit.de>, Michael Schmitz <schmitzmic@gmail.com>, Finn Thain <fthain@telegraphics.com.au>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, devel@driverdev.osuosl.org, linux-usb@vger.kernel.org, Dan Carpenter <dan.carpenter@oracle.com>, Benjamin Block <bblock@linux.ibm.com>, Ming Lei <ming.lei@redhat.com> Subject: [PATCH V4 02/16] scsi: advansys: use sg helper to operate scatterlist Date: Mon, 17 Jun 2019 11:03:35 +0800 [thread overview] Message-ID: <20190617030349.26415-3-ming.lei@redhat.com> (raw) In-Reply-To: <20190617030349.26415-1-ming.lei@redhat.com> Use the scatterlist iterators and remove direct indexing of the scatterlist array. This way allows us to pre-allocate one small scatterlist, which can be chained with one runtime allocated scatterlist if the pre-allocated one isn't enough for the whole request. Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> --- drivers/scsi/advansys.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index d37584403c33..b87de8d3d844 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -7714,7 +7714,7 @@ adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp, sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */ return ADV_SUCCESS; } - slp++; + slp = sg_next(slp); } sg_block->sg_cnt = NO_OF_SG_PER_BLOCK; prev_sg_block = sg_block; -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Ming Lei <ming.lei@redhat.com> To: linux-scsi@vger.kernel.org, "Martin K . Petersen" <martin.petersen@oracle.com> Cc: Michael Schmitz <schmitzmic@gmail.com>, devel@driverdev.osuosl.org, Hannes Reinecke <hare@suse.com>, Benjamin Block <bblock@linux.ibm.com>, Bart Van Assche <bvanassche@acm.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-usb@vger.kernel.org, James Smart <james.smart@broadcom.com>, "Ewan D . Milne" <emilne@redhat.com>, Jim Gill <jgill@vmware.com>, James Bottomley <James.Bottomley@HansenPartnership.com>, Brian King <brking@us.ibm.com>, Finn Thain <fthain@telegraphics.com.au>, "Juergen E . Fischer" <fischer@norbit.de>, Ming Lei <ming.lei@redhat.com>, Christoph Hellwig <hch@lst.de>, Dan Carpenter <dan.carpenter@oracle.com> Subject: [PATCH V4 02/16] scsi: advansys: use sg helper to operate scatterlist Date: Mon, 17 Jun 2019 11:03:35 +0800 [thread overview] Message-ID: <20190617030349.26415-3-ming.lei@redhat.com> (raw) In-Reply-To: <20190617030349.26415-1-ming.lei@redhat.com> Use the scatterlist iterators and remove direct indexing of the scatterlist array. This way allows us to pre-allocate one small scatterlist, which can be chained with one runtime allocated scatterlist if the pre-allocated one isn't enough for the whole request. Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> --- drivers/scsi/advansys.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index d37584403c33..b87de8d3d844 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -7714,7 +7714,7 @@ adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp, sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */ return ADV_SUCCESS; } - slp++; + slp = sg_next(slp); } sg_block->sg_cnt = NO_OF_SG_PER_BLOCK; prev_sg_block = sg_block; -- 2.20.1
next prev parent reply other threads:[~2019-06-17 3:04 UTC|newest] Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-17 3:03 [PATCH V4 00/16] use sg helper to operate scatterlist Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 3:03 ` [PATCH V4 01/16] scsi: vmw_pscsi: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 3:03 ` Ming Lei [this message] 2019-06-17 3:03 ` [PATCH V4 02/16] scsi: advansys: " Ming Lei 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 03/16] scsi: lpfc: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 04/16] scsi: mvumi: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 8:22 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 05/16] scsi: ipr: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:24 ` Christoph Hellwig 2019-06-17 8:24 ` Christoph Hellwig 2019-06-17 8:50 ` Ming Lei 2019-06-17 8:50 ` Ming Lei 2019-06-17 3:03 ` [PATCH V4 06/16] scsi: pmcraid: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:24 ` Christoph Hellwig 2019-06-17 8:24 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 07/16] usb: image: microtek: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:25 ` Christoph Hellwig 2019-06-17 8:25 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 08/16] staging: unisys: visorhba: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:25 ` Christoph Hellwig 2019-06-17 8:25 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 09/16] staging: rtsx: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:27 ` Christoph Hellwig 2019-06-17 8:27 ` Christoph Hellwig 2019-06-17 9:15 ` Ming Lei 2019-06-17 9:15 ` Ming Lei 2019-06-17 9:24 ` Christoph Hellwig 2019-06-17 9:24 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 10/16] s390: zfcp_fc: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:27 ` Christoph Hellwig 2019-06-17 8:27 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 11/16] scsi: aha152x: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 3:35 ` Finn Thain 2019-06-17 3:35 ` Finn Thain 2019-06-17 23:35 ` Finn Thain 2019-06-17 23:35 ` Finn Thain 2019-06-18 0:15 ` Ming Lei 2019-06-18 0:15 ` Ming Lei 2019-06-17 8:28 ` Christoph Hellwig 2019-06-17 8:28 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 12/16] scsi: imm: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:28 ` Christoph Hellwig 2019-06-17 8:28 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 13/16] scsi: pcmcia: nsp_cs: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:29 ` Christoph Hellwig 2019-06-17 8:29 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 14/16] scsi: ppa: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:29 ` Christoph Hellwig 2019-06-17 8:29 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 15/16] scsi: wd33c93: " Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:29 ` Christoph Hellwig 2019-06-17 8:29 ` Christoph Hellwig 2019-06-17 3:03 ` [PATCH V4 16/16] NCR5380: Support chained sg lists Ming Lei 2019-06-17 3:03 ` Ming Lei 2019-06-17 8:30 ` Christoph Hellwig 2019-06-17 8:30 ` Christoph Hellwig 2019-06-17 23:52 ` [PATCH V4 00/16] use sg helper to operate scatterlist Bart Van Assche 2019-06-17 23:52 ` Bart Van Assche
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