*
* i/o controls for the dasd driver.
*/
-#include <linux/config.h>
#include <linux/interrupt.h>
#include <linux/major.h>
#include <linux/fs.h>
dasd_ioctl_quiesce(struct dasd_device *device)
{
unsigned long flags;
-
+
if (!capable (CAP_SYS_ADMIN))
return -EACCES;
-
+
DEV_MESSAGE (KERN_DEBUG, device, "%s",
"Quiesce IO on device");
spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
dasd_ioctl_resume(struct dasd_device *device)
{
unsigned long flags;
-
- if (!capable (CAP_SYS_ADMIN))
+
+ if (!capable (CAP_SYS_ADMIN))
return -EACCES;
DEV_MESSAGE (KERN_DEBUG, device, "%s",
"resume IO on device");
-
+
spin_lock_irqsave(get_ccwdev_lock(device->cdev), flags);
device->stopped &= ~DASD_STOPPED_QUIESCE;
spin_unlock_irqrestore(get_ccwdev_lock(device->cdev), flags);
dasd_info->open_count = atomic_read(&device->open_count);
if (!device->bdev)
dasd_info->open_count++;
-
+
/*
* check if device is really formatted
* LDL / CDL was returned by 'fill_info'
if (bdev != bdev->bd_contains)
// ro setting is not allowed for partitions
return -EINVAL;
- if (get_user(intval, (int *)argp))
+ if (get_user(intval, (int __user *)argp))
return -EFAULT;
set_disk_ro(bdev->bd_disk, intval);