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path: root/drivers/scsi/sr.c
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Diffstat (limited to 'drivers/scsi/sr.c')
-rw-r--r--drivers/scsi/sr.c75
1 files changed, 13 insertions, 62 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 2f259f249522..ce63fc8312dc 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -50,10 +50,10 @@
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_driver.h>
+#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_ioctl.h> /* For the door lock/unlock commands */
-#include <scsi/scsi_request.h>
#include "scsi_logging.h"
#include "sr.h"
@@ -199,15 +199,7 @@ int sr_media_change(struct cdrom_device_info *cdi, int slot)
/* check multisession offset etc */
sr_cd_check(cdi);
- /*
- * If the disk changed, the capacity will now be different,
- * so we force a re-read of this information
- * Force 2048 for the sector size so that filesystems won't
- * be trying to use something that is too small if the disc
- * has changed.
- */
- cd->needs_sector_size = 1;
- cd->device->sector_size = 2048;
+ get_sectorsize(cd);
}
return retval;
}
@@ -538,13 +530,6 @@ static int sr_open(struct cdrom_device_info *cdi, int purpose)
if (!scsi_block_when_processing_errors(sdev))
goto error_out;
- /*
- * If this device did not have media in the drive at boot time, then
- * we would have been unable to get the sector size. Check to see if
- * this is the case, and try again.
- */
- if (cd->needs_sector_size)
- get_sectorsize(cd);
return 0;
error_out:
@@ -604,7 +589,6 @@ static int sr_probe(struct device *dev)
cd->driver = &sr_template;
cd->disk = disk;
cd->capacity = 0x1fffff;
- cd->needs_sector_size = 1;
cd->device->changed = 1; /* force recheck CD type */
cd->use = 1;
cd->readcd_known = 0;
@@ -658,43 +642,30 @@ static void get_sectorsize(struct scsi_cd *cd)
unsigned char *buffer;
int the_result, retries = 3;
int sector_size;
- struct scsi_request *SRpnt = NULL;
request_queue_t *queue;
buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
if (!buffer)
goto Enomem;
- SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL);
- if (!SRpnt)
- goto Enomem;
do {
cmd[0] = READ_CAPACITY;
memset((void *) &cmd[1], 0, 9);
- /* Mark as really busy */
- SRpnt->sr_request->rq_status = RQ_SCSI_BUSY;
- SRpnt->sr_cmd_len = 0;
-
memset(buffer, 0, 8);
/* Do the command and wait.. */
- SRpnt->sr_data_direction = DMA_FROM_DEVICE;
- scsi_wait_req(SRpnt, (void *) cmd, (void *) buffer,
- 8, SR_TIMEOUT, MAX_RETRIES);
+ the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE,
+ buffer, 8, NULL, SR_TIMEOUT,
+ MAX_RETRIES);
- the_result = SRpnt->sr_result;
retries--;
} while (the_result && retries);
- scsi_release_request(SRpnt);
- SRpnt = NULL;
-
if (the_result) {
cd->capacity = 0x1fffff;
sector_size = 2048; /* A guess, just in case */
- cd->needs_sector_size = 1;
} else {
#if 0
if (cdrom_get_last_written(&cd->cdi,
@@ -727,7 +698,6 @@ static void get_sectorsize(struct scsi_cd *cd)
printk("%s: unsupported sector size %d.\n",
cd->cdi.name, sector_size);
cd->capacity = 0;
- cd->needs_sector_size = 1;
}
cd->device->sector_size = sector_size;
@@ -736,7 +706,6 @@ static void get_sectorsize(struct scsi_cd *cd)
* Add this so that we have the ability to correctly gauge
* what the device is capable of.
*/
- cd->needs_sector_size = 0;
set_capacity(cd->disk, cd->capacity);
}
@@ -748,10 +717,7 @@ out:
Enomem:
cd->capacity = 0x1fffff;
- sector_size = 2048; /* A guess, just in case */
- cd->needs_sector_size = 1;
- if (SRpnt)
- scsi_release_request(SRpnt);
+ cd->device->sector_size = 2048; /* A guess, just in case */
goto out;
}
@@ -759,8 +725,8 @@ static void get_capabilities(struct scsi_cd *cd)
{
unsigned char *buffer;
struct scsi_mode_data data;
- struct scsi_request *SRpnt;
unsigned char cmd[MAX_COMMAND_SIZE];
+ struct scsi_sense_hdr sshdr;
unsigned int the_result;
int retries, rc, n;
@@ -776,19 +742,11 @@ static void get_capabilities(struct scsi_cd *cd)
""
};
- /* allocate a request for the TEST_UNIT_READY */
- SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL);
- if (!SRpnt) {
- printk(KERN_WARNING "(get_capabilities:) Request allocation "
- "failure.\n");
- return;
- }
/* allocate transfer buffer */
buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
if (!buffer) {
printk(KERN_ERR "sr: out of memory.\n");
- scsi_release_request(SRpnt);
return;
}
@@ -800,24 +758,19 @@ static void get_capabilities(struct scsi_cd *cd)
memset((void *)cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = TEST_UNIT_READY;
- SRpnt->sr_cmd_len = 0;
- SRpnt->sr_sense_buffer[0] = 0;
- SRpnt->sr_sense_buffer[2] = 0;
- SRpnt->sr_data_direction = DMA_NONE;
-
- scsi_wait_req (SRpnt, (void *) cmd, buffer,
- 0, SR_TIMEOUT, MAX_RETRIES);
+ the_result = scsi_execute_req (cd->device, cmd, DMA_NONE, NULL,
+ 0, &sshdr, SR_TIMEOUT,
+ MAX_RETRIES);
- the_result = SRpnt->sr_result;
retries++;
} while (retries < 5 &&
(!scsi_status_is_good(the_result) ||
- ((driver_byte(the_result) & DRIVER_SENSE) &&
- SRpnt->sr_sense_buffer[2] == UNIT_ATTENTION)));
+ (scsi_sense_valid(&sshdr) &&
+ sshdr.sense_key == UNIT_ATTENTION)));
/* ask for mode page 0x2a */
rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, 128,
- SR_TIMEOUT, 3, &data);
+ SR_TIMEOUT, 3, &data, NULL);
if (!scsi_status_is_good(rc)) {
/* failed, drive doesn't have capabilities mode page */
@@ -825,7 +778,6 @@ static void get_capabilities(struct scsi_cd *cd)
cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R |
CDC_DVD | CDC_DVD_RAM |
CDC_SELECT_DISC | CDC_SELECT_SPEED);
- scsi_release_request(SRpnt);
kfree(buffer);
printk("%s: scsi-1 drive\n", cd->cdi.name);
return;
@@ -885,7 +837,6 @@ static void get_capabilities(struct scsi_cd *cd)
cd->device->writeable = 1;
}
- scsi_release_request(SRpnt);
kfree(buffer);
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-21 18:47:27 +0300