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[SCSI] convert the remaining mid-layer pieces to scsi_execute_req

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After this, we just have some drivers, all the ULDs and the SPI
transport class using scsi_wait_req().

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley
2005-08-28 11:27:01 -05:00
parent 7a93aef7fb
commit 1cf72699c1
6 changed files with 64 additions and 111 deletions
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46
drivers/scsi/scsi_ioctl.c
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@ -88,25 +88,21 @@ static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
int timeout, int retries)
{
struct scsi_request *sreq;
int result;
struct scsi_sense_hdr sshdr;
char sense[SCSI_SENSE_BUFFERSIZE];
SCSI_LOG_IOCTL(1, printk("Trying ioctl with scsi command %d\n", *cmd));
sreq = scsi_allocate_request(sdev, GFP_KERNEL);
if (!sreq) {
printk(KERN_WARNING "SCSI internal ioctl failed, no memory\n");
return -ENOMEM;
}
sreq->sr_data_direction = DMA_NONE;
scsi_wait_req(sreq, cmd, NULL, 0, timeout, retries);
memset(sense, 0, sizeof(*sense));
result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0,
sense, timeout, retries);
SCSI_LOG_IOCTL(2, printk("Ioctl returned 0x%x\n", sreq->sr_result));
SCSI_LOG_IOCTL(2, printk("Ioctl returned 0x%x\n", result));
if ((driver_byte(sreq->sr_result) & DRIVER_SENSE) &&
(scsi_request_normalize_sense(sreq, &sshdr))) {
if ((driver_byte(result) & DRIVER_SENSE) &&
(scsi_normalize_sense(sense, sizeof(*sense), &sshdr))) {
switch (sshdr.sense_key) {
case ILLEGAL_REQUEST:
if (cmd[0] == ALLOW_MEDIUM_REMOVAL)
@ -125,7 +121,7 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
case UNIT_ATTENTION:
if (sdev->removable) {
sdev->changed = 1;
sreq->sr_result = 0; /* This is no longer considered an error */
result = 0; /* This is no longer considered an error */
break;
}
default: /* Fall through for non-removable media */
@ -135,15 +131,13 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
sdev->channel,
sdev->id,
sdev->lun,
sreq->sr_result);
scsi_print_req_sense(" ", sreq);
result);
__scsi_print_sense(" ", sense, sizeof(*sense));
break;
}
}
result = sreq->sr_result;
SCSI_LOG_IOCTL(2, printk("IOCTL Releasing command\n"));
scsi_release_request(sreq);
return result;
}
@ -208,8 +202,8 @@ int scsi_ioctl_send_command(struct scsi_device *sdev,
{
char *buf;
unsigned char cmd[MAX_COMMAND_SIZE];
unsigned char sense[SCSI_SENSE_BUFFERSIZE];
char __user *cmd_in;
struct scsi_request *sreq;
unsigned char opcode;
unsigned int inlen, outlen, cmdlen;
unsigned int needed, buf_needed;
@ -321,31 +315,23 @@ int scsi_ioctl_send_command(struct scsi_device *sdev,
break;
}
sreq = scsi_allocate_request(sdev, GFP_KERNEL);
if (!sreq) {
result = -EINTR;
goto error;
}
sreq->sr_data_direction = data_direction;
scsi_wait_req(sreq, cmd, buf, needed, timeout, retries);
result = scsi_execute_req(sdev, cmd, data_direction, buf, needed,
sense, timeout, retries);
/*
* If there was an error condition, pass the info back to the user.
*/
result = sreq->sr_result;
if (result) {
int sb_len = sizeof(sreq->sr_sense_buffer);
int sb_len = sizeof(*sense);
sb_len = (sb_len > OMAX_SB_LEN) ? OMAX_SB_LEN : sb_len;
if (copy_to_user(cmd_in, sreq->sr_sense_buffer, sb_len))
if (copy_to_user(cmd_in, sense, sb_len))
result = -EFAULT;
} else {
if (copy_to_user(cmd_in, buf, outlen))
result = -EFAULT;
}
scsi_release_request(sreq);
error:
kfree(buf);
return result;