file.h 2.6 KB

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  1. /* -*- mode: c; c-basic-offset: 8; -*-
  2. * vim: noexpandtab sw=8 ts=8 sts=0:
  3. *
  4. * file.h
  5. *
  6. * Function prototypes
  7. *
  8. * Copyright (C) 2002, 2004 Oracle. All rights reserved.
  9. *
  10. * This program is free software; you can redistribute it and/or
  11. * modify it under the terms of the GNU General Public
  12. * License as published by the Free Software Foundation; either
  13. * version 2 of the License, or (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18. * General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public
  21. * License along with this program; if not, write to the
  22. * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23. * Boston, MA 021110-1307, USA.
  24. */
  25. #ifndef OCFS2_FILE_H
  26. #define OCFS2_FILE_H
  27. extern const struct file_operations ocfs2_fops;
  28. extern const struct file_operations ocfs2_dops;
  29. extern const struct file_operations ocfs2_fops_no_plocks;
  30. extern const struct file_operations ocfs2_dops_no_plocks;
  31. extern const struct inode_operations ocfs2_file_iops;
  32. extern const struct inode_operations ocfs2_special_file_iops;
  33. struct ocfs2_alloc_context;
  34. struct ocfs2_file_private {
  35. struct file *fp_file;
  36. struct mutex fp_mutex;
  37. struct ocfs2_lock_res fp_flock;
  38. };
  39. enum ocfs2_alloc_restarted {
  40. RESTART_NONE = 0,
  41. RESTART_TRANS,
  42. RESTART_META
  43. };
  44. int ocfs2_do_extend_allocation(struct ocfs2_super *osb,
  45. struct inode *inode,
  46. u32 *logical_offset,
  47. u32 clusters_to_add,
  48. int mark_unwritten,
  49. struct buffer_head *fe_bh,
  50. handle_t *handle,
  51. struct ocfs2_alloc_context *data_ac,
  52. struct ocfs2_alloc_context *meta_ac,
  53. enum ocfs2_alloc_restarted *reason_ret);
  54. int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
  55. u64 zero_to);
  56. int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di,
  57. u32 clusters_to_add, u32 extents_to_split,
  58. struct ocfs2_alloc_context **data_ac,
  59. struct ocfs2_alloc_context **meta_ac);
  60. int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
  61. int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
  62. struct kstat *stat);
  63. int ocfs2_permission(struct inode *inode, int mask);
  64. int ocfs2_should_update_atime(struct inode *inode,
  65. struct vfsmount *vfsmnt);
  66. int ocfs2_update_inode_atime(struct inode *inode,
  67. struct buffer_head *bh);
  68. int ocfs2_change_file_space(struct file *file, unsigned int cmd,
  69. struct ocfs2_space_resv *sr);
  70. #endif /* OCFS2_FILE_H */