Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c73961e563dde3239e2e5da08b25ab2832b2e840
Commit: c73961e563dde3239e2e5da08b25ab2832b2e840
Parent: 48c23d3e377bb090bf49ea6c45d024b4c11439b0
Author: Boaz Harrosh <[EMAIL PROTECTED]>
AuthorDate: Fri Sep 7 06:50:20 2007 +0900
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Fri Jan 11 18:22:38 2008 -0600
[SCSI] scsi_debug: convert to use the data buffer accessors
- remove the unnecessary map_single path.
- convert to use the new accessors for the sg lists and the
parameters.
Signed-off-by: Boaz Harrosh <[EMAIL PROTECTED]>
Acked-by: Douglas Gilbert <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/scsi/scsi_debug.c | 37 ++++++++++---------------------------
1 files changed, 10 insertions(+), 27 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 46cae5a..82c06f0 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -329,7 +329,7 @@ int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt,
done_funct_t done)
if (done == NULL)
return 0; /* assume mid level reprocessing command */
- SCpnt->resid = 0;
+ scsi_set_resid(SCpnt, 0);
if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) {
printk(KERN_INFO "scsi_debug: cmd ");
for (k = 0, len = SCpnt->cmd_len; k < len; ++k)
@@ -603,26 +603,16 @@ static int fill_from_dev_buffer(struct scsi_cmnd * scp,
unsigned char * arr,
void * kaddr_off;
struct scatterlist * sg;
- if (0 == scp->request_bufflen)
+ if (0 == scsi_bufflen(scp))
return 0;
- if (NULL == scp->request_buffer)
+ if (NULL == scsi_sglist(scp))
return (DID_ERROR << 16);
if (! ((scp->sc_data_direction == DMA_BIDIRECTIONAL) ||
(scp->sc_data_direction == DMA_FROM_DEVICE)))
return (DID_ERROR << 16);
- if (0 == scp->use_sg) {
- req_len = scp->request_bufflen;
- act_len = (req_len < arr_len) ? req_len : arr_len;
- memcpy(scp->request_buffer, arr, act_len);
- if (scp->resid)
- scp->resid -= act_len;
- else
- scp->resid = req_len - act_len;
- return 0;
- }
active = 1;
req_len = act_len = 0;
- scsi_for_each_sg(scp, sg, scp->use_sg, k) {
+ scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) {
if (active) {
kaddr = (unsigned char *)
kmap_atomic(sg_page(sg), KM_USER0);
@@ -640,10 +630,10 @@ static int fill_from_dev_buffer(struct scsi_cmnd * scp,
unsigned char * arr,
}
req_len += sg->length;
}
- if (scp->resid)
- scp->resid -= act_len;
+ if (scsi_get_resid(scp))
+ scsi_set_resid(scp, scsi_get_resid(scp) - act_len);
else
- scp->resid = req_len - act_len;
+ scsi_set_resid(scp, req_len - act_len);
return 0;
}
@@ -656,22 +646,15 @@ static int fetch_to_dev_buffer(struct scsi_cmnd * scp,
unsigned char * arr,
void * kaddr_off;
struct scatterlist * sg;
- if (0 == scp->request_bufflen)
+ if (0 == scsi_bufflen(scp))
return 0;
- if (NULL == scp->request_buffer)
+ if (NULL == scsi_sglist(scp))
return -1;
if (! ((scp->sc_data_direction == DMA_BIDIRECTIONAL) ||
(scp->sc_data_direction == DMA_TO_DEVICE)))
return -1;
- if (0 == scp->use_sg) {
- req_len = scp->request_bufflen;
- len = (req_len < max_arr_len) ? req_len : max_arr_len;
- memcpy(arr, scp->request_buffer, len);
- return len;
- }
- sg = scsi_sglist(scp);
req_len = fin = 0;
- for (k = 0; k < scp->use_sg; ++k, sg = sg_next(sg)) {
+ scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) {
kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0);
if (NULL == kaddr)
return -1;
-
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