AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

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

Browse Source 
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>
This commit is contained in:
FUJITA Tomonori 2007-07-23 09:42:32 +09:00 committed by James Bottomley
parent 0012fdf986
commit 358147403d
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/scsi/ps3rom.c
View File

@ -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;