[PATCH 3/19] ipr: convert to use the data buffer accessors

[FUJITA Tomonori]

This converts ipr to use the data buffer accessors.

Signed-off-by: FUJITA Tomonori <[EMAIL PROTECTED]>
---
 drivers/scsi/ipr.c |   26 ++++++++------------------
 1 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 8390bce..8002ecc 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -550,12 +550,7 @@ struct ipr_cmnd *ipr_get_free_ipr_cmnd(s
 static void ipr_unmap_sglist(struct ipr_ioa_cfg *ioa_cfg,
                             struct ipr_cmnd *ipr_cmd)
 {
-       struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
-
-       if (ipr_cmd->dma_use_sg)
-               pci_unmap_sg(ioa_cfg->pdev, scsi_cmd->request_buffer,
-                            scsi_cmd->use_sg,
-                            scsi_cmd->sc_data_direction);
+       scsi_dma_unmap(&ioa_cfg->pdev->dev, ipr_cmd->scsi_cmd);
 }
 
 /**
@@ -4279,20 +4274,18 @@ static int ipr_build_ioadl(struct ipr_io
                           struct ipr_cmnd *ipr_cmd)
 {
        int i, nseg;
-       struct scatterlist *sglist;
+       struct scatterlist *sg;
        u32 length;
        u32 ioadl_flags = 0;
        struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
        struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
        struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
 
-       length = scsi_cmd->request_bufflen;
+       length = scsi_bufflen(scsi_cmd);
        if (!length)
                return 0;
 
-       nseg = pci_map_sg(ioa_cfg->pdev, scsi_cmd->request_buffer,
-                         scsi_cmd->use_sg, scsi_cmd->sc_data_direction);
-
+       nseg = scsi_dma_map(&ioa_cfg->pdev->dev, scsi_cmd);
        if (nseg < 0) {
                dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n");
                return -1;
@@ -4313,8 +4306,6 @@ static int ipr_build_ioadl(struct ipr_io
                        cpu_to_be32(sizeof(struct ipr_ioadl_desc) * 
ipr_cmd->dma_use_sg);
        }
 
-       sglist = scsi_cmd->request_buffer;
-
        if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->add_data.u.ioadl)) {
                ioadl = ioarcb->add_data.u.ioadl;
                ioarcb->write_ioadl_addr =
@@ -4323,11 +4314,10 @@ static int ipr_build_ioadl(struct ipr_io
                ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
        }
 
-       for (i = 0; i < ipr_cmd->dma_use_sg; i++) {
+       scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) {
                ioadl[i].flags_and_data_len =
-                       cpu_to_be32(ioadl_flags | sg_dma_len(&sglist[i]));
-               ioadl[i].address =
-                       cpu_to_be32(sg_dma_address(&sglist[i]));
+                       cpu_to_be32(ioadl_flags | sg_dma_len(sg));
+               ioadl[i].address = cpu_to_be32(sg_dma_address(sg));
        }
 
        ioadl[i-1].flags_and_data_len |= cpu_to_be32(IPR_IOADL_FLAGS_LAST);
@@ -4793,7 +4783,7 @@ static void ipr_scsi_done(struct ipr_cmn
        struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
 
-       scsi_cmd->resid = be32_to_cpu(ipr_cmd->ioasa.residual_data_len);
+       scsi_resid(scsi_cmd) = be32_to_cpu(ipr_cmd->ioasa.residual_data_len);
 
        if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) {
                ipr_unmap_sglist(ioa_cfg, ipr_cmd);
-- 
1.4.3.2

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