[SCSI] ps3rom: convert to use the data buffer accessors

This converts ps3rom driver to use the new accessors for the sg lists
and the parameters.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/scsi/ps3rom.c b/drivers/scsi/ps3rom.c
index b50f1e14f2a5..0f43d1d046d9 100644
--- a/drivers/scsi/ps3rom.c
+++ b/drivers/scsi/ps3rom.c
@@ -100,16 +100,16 @@ static int fill_from_dev_buffer(struct scsi_cmnd *cmd, const void *buf)
         struct scatterlist *sgpnt;
         unsigned int buflen;
 
-        buflen = cmd->request_bufflen;
+        buflen = scsi_bufflen(cmd);
         if (!buflen)
                 return 0;
 
-        if (!cmd->request_buffer)
+        if (!scsi_sglist(cmd))
                 return -1;
 
-        sgpnt = cmd->request_buffer;
         active = 1;
-        for (k = 0, req_len = 0, act_len = 0; k < cmd->use_sg; ++k, ++sgpnt) {
+        req_len = act_len = 0;
+        scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) {
                 if (active) {
                         kaddr = kmap_atomic(sgpnt->page, KM_IRQ0);
                         len = sgpnt->length;
@@ -124,7 +124,7 @@ static int fill_from_dev_buffer(struct scsi_cmnd *cmd, const void *buf)
                 }
                 req_len += sgpnt->length;
         }
-        cmd->resid = req_len - act_len;
+        scsi_set_resid(cmd, req_len - act_len);
         return 0;
 }
 
@@ -138,15 +138,15 @@ static int fetch_to_dev_buffer(struct scsi_cmnd *cmd, void *buf)
         struct scatterlist *sgpnt;
         unsigned int buflen;
 
-        buflen = cmd->request_bufflen;
+        buflen = scsi_bufflen(cmd);
         if (!buflen)
                 return 0;
 
-        if (!cmd->request_buffer)
+        if (!scsi_sglist(cmd))
                 return -1;
 
-        sgpnt = cmd->request_buffer;
-        for (k = 0, req_len = 0, fin = 0; k < cmd->use_sg; ++k, ++sgpnt) {
+        req_len = fin = 0;
+        scsi_for_each_sg(cmd, sgpnt, scsi_sg_count(cmd), k) {
                 kaddr = kmap_atomic(sgpnt->page, KM_IRQ0);
                 len = sgpnt->length;
                 if ((req_len + len) > buflen) {
@@ -177,12 +177,12 @@ static int ps3rom_atapi_request(struct ps3_storage_device *dev,
         memcpy(&atapi_cmnd.pkt, cmd->cmnd, 12);
         atapi_cmnd.pktlen = 12;
         atapi_cmnd.block_size = 1; /* transfer size is block_size * blocks */
-        atapi_cmnd.blocks = atapi_cmnd.arglen = cmd->request_bufflen;
+        atapi_cmnd.blocks = atapi_cmnd.arglen = scsi_bufflen(cmd);
         atapi_cmnd.buffer = dev->bounce_lpar;
 
         switch (cmd->sc_data_direction) {
         case DMA_FROM_DEVICE:
-                if (cmd->request_bufflen >= CD_FRAMESIZE)
+                if (scsi_bufflen(cmd) >= CD_FRAMESIZE)
                         atapi_cmnd.proto = DMA_PROTO;
                 else
                         atapi_cmnd.proto = PIO_DATA_IN_PROTO;
@@ -190,7 +190,7 @@ static int ps3rom_atapi_request(struct ps3_storage_device *dev,
                 break;
 
         case DMA_TO_DEVICE:
-                if (cmd->request_bufflen >= CD_FRAMESIZE)
+                if (scsi_bufflen(cmd) >= CD_FRAMESIZE)
                         atapi_cmnd.proto = DMA_PROTO;
                 else
                         atapi_cmnd.proto = PIO_DATA_OUT_PROTO;