internal.h 1.1 KB

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  1. /* fs/ internal definitions
  2. *
  3. * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
  4. * Written by David Howells (dhowells@redhat.com)
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License
  8. * as published by the Free Software Foundation; either version
  9. * 2 of the License, or (at your option) any later version.
  10. */
  11. #include <linux/ioctl32.h>
  12. struct super_block;
  13. /*
  14. * block_dev.c
  15. */
  16. #ifdef CONFIG_BLOCK
  17. extern struct super_block *blockdev_superblock;
  18. extern void __init bdev_cache_init(void);
  19. static inline int sb_is_blkdev_sb(struct super_block *sb)
  20. {
  21. return sb == blockdev_superblock;
  22. }
  23. #else
  24. static inline void bdev_cache_init(void)
  25. {
  26. }
  27. static inline int sb_is_blkdev_sb(struct super_block *sb)
  28. {
  29. return 0;
  30. }
  31. #endif
  32. /*
  33. * char_dev.c
  34. */
  35. extern void __init chrdev_init(void);
  36. /*
  37. * compat_ioctl.c
  38. */
  39. #ifdef CONFIG_COMPAT
  40. extern struct ioctl_trans ioctl_start[];
  41. extern int ioctl_table_size;
  42. #endif
  43. /*
  44. * namespace.c
  45. */
  46. extern int copy_mount_options(const void __user *, unsigned long *);