#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include <linux/smp_lock.h>
+#include <linux/blktrace_api.h>
#include <asm/uaccess.h>
static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user *arg)
}
}
/* all seems OK */
- add_partition(disk, part, start, length);
+ add_partition(disk, part, start, length, ADDPART_FLAG_NONE);
mutex_unlock(&bdev->bd_mutex);
return 0;
case BLKPG_DEL_PARTITION:
}
/* all seems OK */
fsync_bdev(bdevp);
- invalidate_bdev(bdevp, 0);
+ invalidate_bdev(bdevp);
- mutex_lock(&bdev->bd_mutex);
+ mutex_lock_nested(&bdev->bd_mutex, 1);
delete_partition(disk, part);
mutex_unlock(&bdev->bd_mutex);
mutex_unlock(&bdevp->bd_mutex);
return put_ulong(arg, bdev->bd_inode->i_size >> 9);
case BLKGETSIZE64:
return put_u64(arg, bdev->bd_inode->i_size);
+ case BLKTRACESTART:
+ case BLKTRACESTOP:
+ case BLKTRACESETUP:
+ case BLKTRACETEARDOWN:
+ return blk_trace_ioctl(bdev, cmd, (char __user *) arg);
}
return -ENOIOCTLCMD;
}
-static int blkdev_driver_ioctl(struct inode *inode, struct file *file,
- struct gendisk *disk, unsigned cmd, unsigned long arg)
+int blkdev_driver_ioctl(struct inode *inode, struct file *file,
+ struct gendisk *disk, unsigned cmd, unsigned long arg)
{
int ret;
if (disk->fops->unlocked_ioctl)
return -ENOTTY;
}
+EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
+/*
+ * always keep this in sync with compat_blkdev_ioctl() and
+ * compat_blkdev_locked_ioctl()
+ */
int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
unsigned long arg)
{
lock_kernel();
fsync_bdev(bdev);
- invalidate_bdev(bdev, 0);
+ invalidate_bdev(bdev);
unlock_kernel();
return 0;
return blkdev_driver_ioctl(inode, file, disk, cmd, arg);
}
-
-/* Most of the generic ioctls are handled in the normal fallback path.
- This assumes the blkdev's low level compat_ioctl always returns
- ENOIOCTLCMD for unknown ioctls. */
-long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
-{
- struct block_device *bdev = file->f_dentry->d_inode->i_bdev;
- struct gendisk *disk = bdev->bd_disk;
- int ret = -ENOIOCTLCMD;
- if (disk->fops->compat_ioctl) {
- lock_kernel();
- ret = disk->fops->compat_ioctl(file, cmd, arg);
- unlock_kernel();
- }
- return ret;
-}
-
EXPORT_SYMBOL_GPL(blkdev_ioctl);