linux/drivers/ide/ide-disk_ioctl.c

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#include <linux/kernel.h>
#include <linux/ide.h>
#include <linux/hdreg.h>
#include <linux/smp_lock.h>
#include "ide-disk.h"
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;
lock_kernel();
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:
unlock_kernel();
return err;
}