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 inode_operations ocfs2_file_iops;
32 extern const struct inode_operations ocfs2_special_file_iops;
33 struct ocfs2_alloc_context;
34
35 struct ocfs2_file_private {
36 struct file *fp_file;
37 struct mutex fp_mutex;
38 struct ocfs2_lock_res fp_flock;
39 };
40
41 enum ocfs2_alloc_restarted {
42 RESTART_NONE = 0,
43 RESTART_TRANS,
44 RESTART_META
45 };
46 int ocfs2_do_extend_allocation(struct ocfs2_super *osb,
47 struct inode *inode,
48 u32 *logical_offset,
49 u32 clusters_to_add,
50 int mark_unwritten,
51 struct buffer_head *fe_bh,
52 handle_t *handle,
53 struct ocfs2_alloc_context *data_ac,
54 struct ocfs2_alloc_context *meta_ac,
55 enum ocfs2_alloc_restarted *reason_ret);
56 int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
57 u64 zero_to);
58 int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di,
59 u32 clusters_to_add, u32 extents_to_split,
60 struct ocfs2_alloc_context **data_ac,
61 struct ocfs2_alloc_context **meta_ac);
62 int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
63 int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
64 struct kstat *stat);
65 int ocfs2_permission(struct inode *inode, int mask,
66 struct nameidata *nd);
67
68 int ocfs2_should_update_atime(struct inode *inode,
69 struct vfsmount *vfsmnt);
70 int ocfs2_update_inode_atime(struct inode *inode,
71 struct buffer_head *bh);
72
73 int ocfs2_change_file_space(struct file *file, unsigned int cmd,
74 struct ocfs2_space_resv *sr);
75
76 #endif /* OCFS2_FILE_H */
77
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