#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/blkdev.h>
+#include <linux/mutex.h>
#include <asm/uaccess.h>
#include <scsi/scsi.h>
/* This semaphore is used to mediate the 0->1 reference get in the
* face of object destruction (i.e. we can't allow a get on an
* object after last put) */
-static DECLARE_MUTEX(sr_ref_sem);
+static DEFINE_MUTEX(sr_ref_mutex);
static int sr_open(struct cdrom_device_info *, int);
static void sr_release(struct cdrom_device_info *);
{
struct scsi_cd *cd = NULL;
- down(&sr_ref_sem);
+ mutex_lock(&sr_ref_mutex);
if (disk->private_data == NULL)
goto out;
cd = scsi_cd(disk);
kref_put(&cd->kref, sr_kref_release);
cd = NULL;
out:
- up(&sr_ref_sem);
+ mutex_unlock(&sr_ref_mutex);
return cd;
}
{
struct scsi_device *sdev = cd->device;
- down(&sr_ref_sem);
+ mutex_lock(&sr_ref_mutex);
kref_put(&cd->kref, sr_kref_release);
scsi_device_put(sdev);
- up(&sr_ref_sem);
+ mutex_unlock(&sr_ref_mutex);
}
/*
* these are already setup, just copy cdb basically
*/
if (SCpnt->request->flags & REQ_BLOCK_PC) {
- struct request *rq = SCpnt->request;
+ scsi_setup_blk_pc_cmnd(SCpnt);
- if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
- return 0;
-
- memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
- if (!rq->data_len)
- SCpnt->sc_data_direction = DMA_NONE;
- else if (rq_data_dir(rq) == WRITE)
- SCpnt->sc_data_direction = DMA_TO_DEVICE;
- else
- SCpnt->sc_data_direction = DMA_FROM_DEVICE;
+ if (SCpnt->timeout_per_command)
+ timeout = SCpnt->timeout_per_command;
- this_count = rq->data_len;
- if (rq->timeout)
- timeout = rq->timeout;
-
- SCpnt->transfersize = rq->data_len;
goto queue;
}
}
if (s_size != 512 && s_size != 1024 && s_size != 2048) {
- printk("sr: bad sector size %d\n", s_size);
+ scmd_printk(KERN_ERR, SCpnt, "bad sector size %d\n", s_size);
return 0;
}
size += sg[i].length;
if (size != SCpnt->request_bufflen && SCpnt->use_sg) {
- printk(KERN_ERR "sr: mismatch count %d, bytes %d\n",
- size, SCpnt->request_bufflen);
+ scmd_printk(KERN_ERR, SCpnt,
+ "mismatch count %d, bytes %d\n",
+ size, SCpnt->request_bufflen);
if (SCpnt->request_bufflen > size)
SCpnt->request_bufflen = SCpnt->bufflen = size;
}
*/
if (((unsigned int)SCpnt->request->sector % (s_size >> 9)) ||
(SCpnt->request_bufflen % s_size)) {
- printk("sr: unaligned transfer\n");
+ scmd_printk(KERN_NOTICE, SCpnt, "unaligned transfer\n");
return 0;
}
static int sr_block_open(struct inode *inode, struct file *file)
{
struct gendisk *disk = inode->i_bdev->bd_disk;
- struct scsi_cd *cd = scsi_cd(inode->i_bdev->bd_disk);
+ struct scsi_cd *cd;
int ret = 0;
if(!(cd = scsi_cd_get(disk)))
disk->flags |= GENHD_FL_REMOVABLE;
add_disk(disk);
- printk(KERN_DEBUG
- "Attached scsi CD-ROM %s at scsi%d, channel %d, id %d, lun %d\n",
- cd->cdi.name, sdev->host->host_no, sdev->channel,
- sdev->id, sdev->lun);
+ sdev_printk(KERN_DEBUG, sdev,
+ "Attached scsi CD-ROM %s\n", cd->cdi.name);
return 0;
fail_put:
unsigned int the_result;
int retries, rc, n;
- static char *loadmech[] =
+ static const char *loadmech[] =
{
"caddy",
"tray",
/* failed, drive doesn't have capabilities mode page */
cd->cdi.speed = 1;
cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R |
- CDC_DVD | CDC_DVD_RAM |
- CDC_SELECT_DISC | CDC_SELECT_SPEED);
+ CDC_DVD | CDC_DVD_RAM |
+ CDC_SELECT_DISC | CDC_SELECT_SPEED |
+ CDC_MRW | CDC_MRW_W | CDC_RAM);
kfree(buffer);
printk("%s: scsi-1 drive\n", cd->cdi.name);
return;
* sr_kref_release - Called to free the scsi_cd structure
* @kref: pointer to embedded kref
*
- * sr_ref_sem must be held entering this routine. Because it is
+ * sr_ref_mutex must be held entering this routine. Because it is
* called on last put, you should always use the scsi_cd_get()
* scsi_cd_put() helpers which manipulate the semaphore directly
* and never do a direct kref_put().
del_gendisk(cd->disk);
- down(&sr_ref_sem);
+ mutex_lock(&sr_ref_mutex);
kref_put(&cd->kref, sr_kref_release);
- up(&sr_ref_sem);
+ mutex_unlock(&sr_ref_mutex);
return 0;
}