[SCSI] sem2mutex: scsi_transport_spi.c

#include <linux/module.h>

#include <linux/workqueue.h>

#include <linux/blkdev.h>

#include <asm/semaphore.h>

#include <linux/mutex.h>

#include <scsi/scsi.h>

#include "scsi_priv.h"

#include <scsi/scsi_device.h>

/* Private data accessors (keep these out of the header file) */

#define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)

#define spi_dv_sem(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_sem)

#define spi_dv_mutex(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_mutex)

struct spi_internal {

	struct scsi_transport_template t;

	spi_hold_mcs(starget) = 0;

	spi_dv_pending(starget) = 0;

	spi_initial_dv(starget) = 0;

	init_MUTEX(&spi_dv_sem(starget));

	mutex_init(&spi_dv_mutex(starget));

	return 0;

}

	scsi_target_quiesce(starget);

	spi_dv_pending(starget) = 1;

	down(&spi_dv_sem(starget));

	mutex_lock(&spi_dv_mutex(starget));

	starget_printk(KERN_INFO, starget, "Beginning Domain Validation\n");

	starget_printk(KERN_INFO, starget, "Ending Domain Validation\n");

	up(&spi_dv_sem(starget));

	mutex_unlock(&spi_dv_mutex(starget));

	spi_dv_pending(starget) = 0;

	scsi_target_resume(starget);

	unsigned int support_qas; /* supports quick arbitration and selection */

	/* Private Fields */

	unsigned int dv_pending:1; /* Internal flag */

	struct semaphore dv_sem; /* semaphore to serialise dv */

	struct mutex dv_mutex; /* semaphore to serialise dv */

};

enum spi_signal_type {