ioctl.h 1.3 KB

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  1. /*
  2. * Copyright (C) 2007 Oracle. All rights reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public
  6. * License v2 as published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope that it will be useful,
  9. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. * General Public License for more details.
  12. *
  13. * You should have received a copy of the GNU General Public
  14. * License along with this program; if not, write to the
  15. * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  16. * Boston, MA 021110-1307, USA.
  17. */
  18. #ifndef __IOCTL_
  19. #define __IOCTL_
  20. #include <linux/ioctl.h>
  21. #define BTRFS_IOCTL_MAGIC 0x94
  22. #define BTRFS_VOL_NAME_MAX 255
  23. #define BTRFS_PATH_NAME_MAX 4095
  24. struct btrfs_ioctl_vol_args {
  25. char name[BTRFS_PATH_NAME_MAX + 1];
  26. };
  27. #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
  28. struct btrfs_ioctl_vol_args)
  29. #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
  30. struct btrfs_ioctl_vol_args)
  31. #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
  32. struct btrfs_ioctl_vol_args)
  33. #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
  34. struct btrfs_ioctl_vol_args)
  35. #endif