blob: 1e27b4d017ea49401ec43445a29d62bcd6b219ce [file] [log] [blame]
Mark Fashehccd979b2005-12-15 14:31:24 -08001/* -*- 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
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080029extern const struct file_operations ocfs2_fops;
30extern const struct file_operations ocfs2_dops;
Arjan van de Ven92e1d5b2007-02-12 00:55:39 -080031extern const struct inode_operations ocfs2_file_iops;
32extern const struct inode_operations ocfs2_special_file_iops;
Mark Fashehccd979b2005-12-15 14:31:24 -080033struct ocfs2_alloc_context;
34
Mark Fashehcf8e06f2007-12-20 16:43:10 -080035struct ocfs2_file_private {
36 struct file *fp_file;
37 struct mutex fp_mutex;
38 struct ocfs2_lock_res fp_flock;
39};
40
Mark Fashehccd979b2005-12-15 14:31:24 -080041enum ocfs2_alloc_restarted {
42 RESTART_NONE = 0,
43 RESTART_TRANS,
44 RESTART_META
45};
46int ocfs2_do_extend_allocation(struct ocfs2_super *osb,
47 struct inode *inode,
Mark Fasheh2ae99a62007-03-09 16:43:28 -080048 u32 *logical_offset,
Mark Fashehccd979b2005-12-15 14:31:24 -080049 u32 clusters_to_add,
Mark Fasheh2ae99a62007-03-09 16:43:28 -080050 int mark_unwritten,
Mark Fashehccd979b2005-12-15 14:31:24 -080051 struct buffer_head *fe_bh,
Mark Fasheh1fabe142006-10-09 18:11:45 -070052 handle_t *handle,
Mark Fashehccd979b2005-12-15 14:31:24 -080053 struct ocfs2_alloc_context *data_ac,
54 struct ocfs2_alloc_context *meta_ac,
Mark Fasheh2ae99a62007-03-09 16:43:28 -080055 enum ocfs2_alloc_restarted *reason_ret);
Mark Fasheh65ed39d2007-08-28 17:13:23 -070056int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
57 u64 zero_to);
Mark Fasheh9517bac2007-02-09 20:24:12 -080058int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di,
Mark Fashehb27b7cb2007-06-18 11:22:56 -070059 u32 clusters_to_add, u32 extents_to_split,
Mark Fasheh9517bac2007-02-09 20:24:12 -080060 struct ocfs2_alloc_context **data_ac,
61 struct ocfs2_alloc_context **meta_ac);
Mark Fashehccd979b2005-12-15 14:31:24 -080062int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
63int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
64 struct kstat *stat);
Al Viroe6305c42008-07-15 21:03:57 -040065int ocfs2_permission(struct inode *inode, int mask);
Mark Fashehccd979b2005-12-15 14:31:24 -080066
Tiger Yang7f1a37e2006-11-15 15:48:42 +080067int ocfs2_should_update_atime(struct inode *inode,
68 struct vfsmount *vfsmnt);
69int ocfs2_update_inode_atime(struct inode *inode,
70 struct buffer_head *bh);
71
Mark Fashehb2580102007-03-09 16:53:21 -080072int ocfs2_change_file_space(struct file *file, unsigned int cmd,
73 struct ocfs2_space_resv *sr);
74
Mark Fashehccd979b2005-12-15 14:31:24 -080075#endif /* OCFS2_FILE_H */