1 files changed, 0 insertions, 372 deletions

diff --git a/libdde_linux26/contrib/block/ioctl.c b/libdde_linux26/contrib/block/ioctl.c
deleted file mode 100644
index 0f22e629..00000000
--- a/libdde_linux26/contrib/block/ioctl.c
+++ /dev/null
@@ -1,372 +0,0 @@
-#include <linux/capability.h>
-#include <linux/blkdev.h>
-#include <linux/blkpg.h>
-#include <linux/hdreg.h>
-#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)
-{
-	struct block_device *bdevp;
-	struct gendisk *disk;
-	struct hd_struct *part;
-	struct blkpg_ioctl_arg a;
-	struct blkpg_partition p;
-	struct disk_part_iter piter;
-	long long start, length;
-	int partno;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
-	if (copy_from_user(&a, arg, sizeof(struct blkpg_ioctl_arg)))
-		return -EFAULT;
-	if (copy_from_user(&p, a.data, sizeof(struct blkpg_partition)))
-		return -EFAULT;
-	disk = bdev->bd_disk;
-	if (bdev != bdev->bd_contains)
-		return -EINVAL;
-	partno = p.pno;
-	if (partno <= 0)
-		return -EINVAL;
-	switch (a.op) {
-		case BLKPG_ADD_PARTITION:
-			start = p.start >> 9;
-			length = p.length >> 9;
-			/* check for fit in a hd_struct */ 
-			if (sizeof(sector_t) == sizeof(long) && 
-			    sizeof(long long) > sizeof(long)) {
-				long pstart = start, plength = length;
-				if (pstart != start || plength != length
-				    || pstart < 0 || plength < 0)
-					return -EINVAL;
-			}
-
-			mutex_lock(&bdev->bd_mutex);
-
-			/* overlap? */
-			disk_part_iter_init(&piter, disk,
-					    DISK_PITER_INCL_EMPTY);
-			while ((part = disk_part_iter_next(&piter))) {
-				if (!(start + length <= part->start_sect ||
-				      start >= part->start_sect + part->nr_sects)) {
-					disk_part_iter_exit(&piter);
-					mutex_unlock(&bdev->bd_mutex);
-					return -EBUSY;
-				}
-			}
-			disk_part_iter_exit(&piter);
-
-			/* all seems OK */
-			part = add_partition(disk, partno, start, length,
-					     ADDPART_FLAG_NONE);
-			mutex_unlock(&bdev->bd_mutex);
-			return IS_ERR(part) ? PTR_ERR(part) : 0;
-		case BLKPG_DEL_PARTITION:
-			part = disk_get_part(disk, partno);
-			if (!part)
-				return -ENXIO;
-
-			bdevp = bdget(part_devt(part));
-			disk_put_part(part);
-			if (!bdevp)
-				return -ENOMEM;
-
-			mutex_lock(&bdevp->bd_mutex);
-			if (bdevp->bd_openers) {
-				mutex_unlock(&bdevp->bd_mutex);
-				bdput(bdevp);
-				return -EBUSY;
-			}
-			/* all seems OK */
-			fsync_bdev(bdevp);
-			invalidate_bdev(bdevp);
-
-			mutex_lock_nested(&bdev->bd_mutex, 1);
-			delete_partition(disk, partno);
-			mutex_unlock(&bdev->bd_mutex);
-			mutex_unlock(&bdevp->bd_mutex);
-			bdput(bdevp);
-
-			return 0;
-		default:
-			return -EINVAL;
-	}
-}
-
-static int blkdev_reread_part(struct block_device *bdev)
-{
-	struct gendisk *disk = bdev->bd_disk;
-	int res;
-
-	if (!disk_partitionable(disk) || bdev != bdev->bd_contains)
-		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
-	if (!mutex_trylock(&bdev->bd_mutex))
-		return -EBUSY;
-	res = rescan_partitions(disk, bdev);
-	mutex_unlock(&bdev->bd_mutex);
-	return res;
-}
-
-static void blk_ioc_discard_endio(struct bio *bio, int err)
-{
-	if (err) {
-		if (err == -EOPNOTSUPP)
-			set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
-		clear_bit(BIO_UPTODATE, &bio->bi_flags);
-	}
-	complete(bio->bi_private);
-}
-
-static int blk_ioctl_discard(struct block_device *bdev, uint64_t start,
-			     uint64_t len)
-{
-	struct request_queue *q = bdev_get_queue(bdev);
-	int ret = 0;
-
-	if (start & 511)
-		return -EINVAL;
-	if (len & 511)
-		return -EINVAL;
-	start >>= 9;
-	len >>= 9;
-
-	if (start + len > (bdev->bd_inode->i_size >> 9))
-		return -EINVAL;
-
-	if (!q->prepare_discard_fn)
-		return -EOPNOTSUPP;
-
-	while (len && !ret) {
-		DECLARE_COMPLETION_ONSTACK(wait);
-		struct bio *bio;
-
-		bio = bio_alloc(GFP_KERNEL, 0);
-		if (!bio)
-			return -ENOMEM;
-
-		bio->bi_end_io = blk_ioc_discard_endio;
-		bio->bi_bdev = bdev;
-		bio->bi_private = &wait;
-		bio->bi_sector = start;
-
-		if (len > q->max_hw_sectors) {
-			bio->bi_size = q->max_hw_sectors << 9;
-			len -= q->max_hw_sectors;
-			start += q->max_hw_sectors;
-		} else {
-			bio->bi_size = len << 9;
-			len = 0;
-		}
-		submit_bio(DISCARD_NOBARRIER, bio);
-
-		wait_for_completion(&wait);
-
-		if (bio_flagged(bio, BIO_EOPNOTSUPP))
-			ret = -EOPNOTSUPP;
-		else if (!bio_flagged(bio, BIO_UPTODATE))
-			ret = -EIO;
-		bio_put(bio);
-	}
-	return ret;
-}
-
-static int put_ushort(unsigned long arg, unsigned short val)
-{
-	return put_user(val, (unsigned short __user *)arg);
-}
-
-static int put_int(unsigned long arg, int val)
-{
-	return put_user(val, (int __user *)arg);
-}
-
-static int put_long(unsigned long arg, long val)
-{
-	return put_user(val, (long __user *)arg);
-}
-
-static int put_ulong(unsigned long arg, unsigned long val)
-{
-	return put_user(val, (unsigned long __user *)arg);
-}
-
-static int put_u64(unsigned long arg, u64 val)
-{
-	return put_user(val, (u64 __user *)arg);
-}
-
-int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
-			unsigned cmd, unsigned long arg)
-{
-	struct gendisk *disk = bdev->bd_disk;
-	int ret;
-
-	if (disk->fops->ioctl)
-		return disk->fops->ioctl(bdev, mode, cmd, arg);
-
-	if (disk->fops->locked_ioctl) {
-		lock_kernel();
-		ret = disk->fops->locked_ioctl(bdev, mode, cmd, arg);
-		unlock_kernel();
-		return ret;
-	}
-
-	return -ENOTTY;
-}
-/*
- * For the record: _GPL here is only because somebody decided to slap it
- * on the previous export.  Sheer idiocy, since it wasn't copyrightable
- * at all and could be open-coded without any exports by anybody who cares.
- */
-EXPORT_SYMBOL_GPL(__blkdev_driver_ioctl);
-
-/*
- * always keep this in sync with compat_blkdev_ioctl() and
- * compat_blkdev_locked_ioctl()
- */
-int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
-			unsigned long arg)
-{
-	struct gendisk *disk = bdev->bd_disk;
-	struct backing_dev_info *bdi;
-	loff_t size;
-	int ret, n;
-
-	switch(cmd) {
-	case BLKFLSBUF:
-		if (!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-
-		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
-		/* -EINVAL to handle old uncorrected drivers */
-		if (ret != -EINVAL && ret != -ENOTTY)
-			return ret;
-
-		lock_kernel();
-		fsync_bdev(bdev);
-		invalidate_bdev(bdev);
-		unlock_kernel();
-		return 0;
-
-	case BLKROSET:
-		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
-		/* -EINVAL to handle old uncorrected drivers */
-		if (ret != -EINVAL && ret != -ENOTTY)
-			return ret;
-		if (!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-		if (get_user(n, (int __user *)(arg)))
-			return -EFAULT;
-		lock_kernel();
-		set_device_ro(bdev, n);
-		unlock_kernel();
-		return 0;
-
-	case BLKDISCARD: {
-		uint64_t range[2];
-
-		if (!(mode & FMODE_WRITE))
-			return -EBADF;
-
-		if (copy_from_user(range, (void __user *)arg, sizeof(range)))
-			return -EFAULT;
-
-		return blk_ioctl_discard(bdev, range[0], range[1]);
-	}
-
-	case HDIO_GETGEO: {
-		struct hd_geometry geo;
-
-		if (!arg)
-			return -EINVAL;
-		if (!disk->fops->getgeo)
-			return -ENOTTY;
-
-		/*
-		 * We need to set the startsect first, the driver may
-		 * want to override it.
-		 */
-		geo.start = get_start_sect(bdev);
-		ret = disk->fops->getgeo(bdev, &geo);
-		if (ret)
-			return ret;
-		if (copy_to_user((struct hd_geometry __user *)arg, &geo,
-					sizeof(geo)))
-			return -EFAULT;
-		return 0;
-	}
-	case BLKRAGET:
-	case BLKFRAGET:
-		if (!arg)
-			return -EINVAL;
-		bdi = blk_get_backing_dev_info(bdev);
-		if (bdi == NULL)
-			return -ENOTTY;
-		return put_long(arg, (bdi->ra_pages * PAGE_CACHE_SIZE) / 512);
-	case BLKROGET:
-		return put_int(arg, bdev_read_only(bdev) != 0);
-	case BLKBSZGET: /* get the logical block size (cf. BLKSSZGET) */
-		return put_int(arg, block_size(bdev));
-	case BLKSSZGET: /* get block device hardware sector size */
-		return put_int(arg, bdev_hardsect_size(bdev));
-	case BLKSECTGET:
-		return put_ushort(arg, bdev_get_queue(bdev)->max_sectors);
-	case BLKRASET:
-	case BLKFRASET:
-		if(!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-		bdi = blk_get_backing_dev_info(bdev);
-		if (bdi == NULL)
-			return -ENOTTY;
-		bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
-		return 0;
-	case BLKBSZSET:
-		/* set the logical block size */
-		if (!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-		if (!arg)
-			return -EINVAL;
-		if (get_user(n, (int __user *) arg))
-			return -EFAULT;
-		if (!(mode & FMODE_EXCL) && bd_claim(bdev, &bdev) < 0)
-			return -EBUSY;
-		ret = set_blocksize(bdev, n);
-		if (!(mode & FMODE_EXCL))
-			bd_release(bdev);
-		return ret;
-	case BLKPG:
-		lock_kernel();
-		ret = blkpg_ioctl(bdev, (struct blkpg_ioctl_arg __user *) arg);
-		unlock_kernel();
-		break;
-	case BLKRRPART:
-		lock_kernel();
-		ret = blkdev_reread_part(bdev);
-		unlock_kernel();
-		break;
-	case BLKGETSIZE:
-		size = bdev->bd_inode->i_size;
-		if ((size >> 9) > ~0UL)
-			return -EFBIG;
-		return put_ulong(arg, size >> 9);
-	case BLKGETSIZE64:
-		return put_u64(arg, bdev->bd_inode->i_size);
-	case BLKTRACESTART:
-	case BLKTRACESTOP:
-	case BLKTRACESETUP:
-	case BLKTRACETEARDOWN:
-		lock_kernel();
-		ret = blk_trace_ioctl(bdev, cmd, (char __user *) arg);
-		unlock_kernel();
-		break;
-	default:
-		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
-	}
-	return ret;
-}
-EXPORT_SYMBOL_GPL(blkdev_ioctl);