[PATCH] USB usblp: rate-limit printer status error messages
[powerpc.git] / drivers / scsi / sr.c
index 2f259f2..ce63fc8 100644 (file)
 #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);
 }