[SCSI] convert ch to use scsi_execute_req
I also tinkered with it's sense recognition routines to make them take
scsi_sense_hdr structures instead of raw sense data.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 53b3955..bd0e1b6 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -30,7 +30,7 @@
#include <scsi/scsi_ioctl.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
-#include <scsi/scsi_request.h>
+#include <scsi/scsi_eh.h>
#include <scsi/scsi_dbg.h>
#define CH_DT_MAX 16
@@ -180,17 +180,17 @@
/* ------------------------------------------------------------------- */
-static int ch_find_errno(unsigned char *sense_buffer)
+static int ch_find_errno(struct scsi_sense_hdr *sshdr)
{
int i,errno = 0;
/* Check to see if additional sense information is available */
- if (sense_buffer[7] > 5 &&
- sense_buffer[12] != 0) {
+ if (scsi_sense_valid(sshdr) &&
+ sshdr->asc != 0) {
for (i = 0; err[i].errno != 0; i++) {
- if (err[i].sense == sense_buffer[ 2] &&
- err[i].asc == sense_buffer[12] &&
- err[i].ascq == sense_buffer[13]) {
+ if (err[i].sense == sshdr->sense_key &&
+ err[i].asc == sshdr->asc &&
+ err[i].ascq == sshdr->ascq) {
errno = -err[i].errno;
break;
}
@@ -206,13 +206,9 @@
void *buffer, unsigned buflength,
enum dma_data_direction direction)
{
- int errno, retries = 0, timeout;
- struct scsi_request *sr;
+ int errno, retries = 0, timeout, result;
+ struct scsi_sense_hdr sshdr;
- sr = scsi_allocate_request(ch->device, GFP_KERNEL);
- if (NULL == sr)
- return -ENOMEM;
-
timeout = (cmd[0] == INITIALIZE_ELEMENT_STATUS)
? timeout_init : timeout_move;
@@ -223,16 +219,17 @@
__scsi_print_command(cmd);
}
- scsi_wait_req(sr, cmd, buffer, buflength,
- timeout * HZ, MAX_RETRIES);
+ result = scsi_execute_req(ch->device, cmd, direction, buffer,
+ buflength, &sshdr, timeout * HZ,
+ MAX_RETRIES);
- dprintk("result: 0x%x\n",sr->sr_result);
- if (driver_byte(sr->sr_result) & DRIVER_SENSE) {
+ dprintk("result: 0x%x\n",result);
+ if (driver_byte(result) & DRIVER_SENSE) {
if (debug)
- scsi_print_req_sense(ch->name, sr);
- errno = ch_find_errno(sr->sr_sense_buffer);
+ scsi_print_sense_hdr(ch->name, &sshdr);
+ errno = ch_find_errno(&sshdr);
- switch(sr->sr_sense_buffer[2] & 0xf) {
+ switch(sshdr.sense_key) {
case UNIT_ATTENTION:
ch->unit_attention = 1;
if (retries++ < 3)
@@ -240,7 +237,6 @@
break;
}
}
- scsi_release_request(sr);
return errno;
}