[deliverable/linux.git] / drivers / ide / ide-disk_ioctl.c

#include <linux/kernel.h>
#include <linux/ide.h>
#include <linux/hdreg.h>
#include <linux/mutex.h>

#include "ide-disk.h"

static DEFINE_MUTEX(ide_disk_ioctl_mutex);
static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
{ HDIO_GET_ADDRESS,	HDIO_SET_ADDRESS,   &ide_devset_address   },
{ HDIO_GET_MULTCOUNT,	HDIO_SET_MULTCOUNT, &ide_devset_multcount },
{ HDIO_GET_NOWERR,	HDIO_SET_NOWERR,    &ide_devset_nowerr	  },
{ HDIO_GET_WCACHE,	HDIO_SET_WCACHE,    &ide_devset_wcache	  },
{ HDIO_GET_ACOUSTIC,	HDIO_SET_ACOUSTIC,  &ide_devset_acoustic  },
{ 0 }
};

int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,
		   unsigned int cmd, unsigned long arg)
{
	int err;

	mutex_lock(&ide_disk_ioctl_mutex);
	err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
	if (err != -EOPNOTSUPP)
		goto out;

	err = generic_ide_ioctl(drive, bdev, cmd, arg);
out:
	mutex_unlock(&ide_disk_ioctl_mutex);
	return err;
}
Commit	Line	Data
	1	#include <linux/kernel.h>
	2	#include <linux/ide.h>
	3	#include <linux/hdreg.h>
	4	#include <linux/mutex.h>
	5
	6	#include "ide-disk.h"
	7
	8	static DEFINE_MUTEX(ide_disk_ioctl_mutex);
	9	static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
	10	{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS, &ide_devset_address },
	11	{ HDIO_GET_MULTCOUNT, HDIO_SET_MULTCOUNT, &ide_devset_multcount },
	12	{ HDIO_GET_NOWERR, HDIO_SET_NOWERR, &ide_devset_nowerr },
	13	{ HDIO_GET_WCACHE, HDIO_SET_WCACHE, &ide_devset_wcache },
	14	{ HDIO_GET_ACOUSTIC, HDIO_SET_ACOUSTIC, &ide_devset_acoustic },
	15	{ 0 }
	16	};
	17
	18	int ide_disk_ioctl(ide_drive_t drive, struct block_device bdev, fmode_t mode,
	19	unsigned int cmd, unsigned long arg)
	20	{
	21	int err;
	22
	23	mutex_lock(&ide_disk_ioctl_mutex);
	24	err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
	25	if (err != -EOPNOTSUPP)
	26	goto out;
	27
	28	err = generic_ide_ioctl(drive, bdev, cmd, arg);
	29	out:
	30	mutex_unlock(&ide_disk_ioctl_mutex);
	31	return err;
	32	}