| 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 | |
| 26 | #ifndef OCFS2_FILE_H |
| 27 | #define OCFS2_FILE_H |
| 28 | |
| 29 | extern const struct file_operations ocfs2_fops; |
| 30 | extern const struct file_operations ocfs2_dops; |
| 31 | extern const struct file_operations ocfs2_fops_no_plocks; |
| 32 | extern const struct file_operations ocfs2_dops_no_plocks; |
| 33 | extern const struct inode_operations ocfs2_file_iops; |
| 34 | extern const struct inode_operations ocfs2_special_file_iops; |
| 35 | struct ocfs2_alloc_context; |
| 36 | enum ocfs2_alloc_restarted; |
| 37 | |
| 38 | struct ocfs2_file_private { |
| 39 | struct file *fp_file; |
| 40 | struct mutex fp_mutex; |
| 41 | struct ocfs2_lock_res fp_flock; |
| 42 | }; |
| 43 | |
| 44 | int ocfs2_add_inode_data(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_set_inode_size(handle_t *handle, |
| 55 | struct inode *inode, |
| 56 | struct buffer_head *fe_bh, |
| 57 | u64 new_i_size); |
| 58 | int ocfs2_simple_size_update(struct inode *inode, |
| 59 | struct buffer_head *di_bh, |
| 60 | u64 new_i_size); |
| 61 | int ocfs2_truncate_file(struct inode *inode, |
| 62 | struct buffer_head *di_bh, |
| 63 | u64 new_i_size); |
| 64 | int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh, |
| 65 | u64 new_i_size, u64 zero_to); |
| 66 | int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh, |
| 67 | loff_t zero_to); |
| 68 | int ocfs2_extend_allocation(struct inode *inode, u32 logical_start, |
| 69 | u32 clusters_to_add, int mark_unwritten); |
| 70 | int ocfs2_setattr(struct dentry *dentry, struct iattr *attr); |
| 71 | int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry, |
| 72 | struct kstat *stat); |
| 73 | int ocfs2_permission(struct inode *inode, int mask); |
| 74 | |
| 75 | int ocfs2_should_update_atime(struct inode *inode, |
| 76 | struct vfsmount *vfsmnt); |
| 77 | int ocfs2_update_inode_atime(struct inode *inode, |
| 78 | struct buffer_head *bh); |
| 79 | |
| 80 | int ocfs2_change_file_space(struct file *file, unsigned int cmd, |
| 81 | struct ocfs2_space_resv *sr); |
| 82 | |
| 83 | int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, |
| 84 | size_t count); |
| 85 | #endif /* OCFS2_FILE_H */ |