[linux-2.6-block.git] / fs / ocfs2 / file.h

/* -*- mode: c; c-basic-offset: 8; -*-
 * vim: noexpandtab sw=8 ts=8 sts=0:
 *
 * file.h
 *
 * Function prototypes
 *
 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 021110-1307, USA.
 */

#ifndef OCFS2_FILE_H
#define OCFS2_FILE_H

extern const struct file_operations ocfs2_fops;
extern const struct file_operations ocfs2_dops;
extern const struct inode_operations ocfs2_file_iops;
extern const struct inode_operations ocfs2_special_file_iops;
struct ocfs2_alloc_context;

struct ocfs2_file_private {
	struct file		*fp_file;
	struct mutex		fp_mutex;
	struct ocfs2_lock_res	fp_flock;
};

enum ocfs2_alloc_restarted {
	RESTART_NONE = 0,
	RESTART_TRANS,
	RESTART_META
};
int ocfs2_do_extend_allocation(struct ocfs2_super *osb,
			       struct inode *inode,
			       u32 *logical_offset,
			       u32 clusters_to_add,
			       int mark_unwritten,
			       struct buffer_head *fe_bh,
			       handle_t *handle,
			       struct ocfs2_alloc_context *data_ac,
			       struct ocfs2_alloc_context *meta_ac,
			       enum ocfs2_alloc_restarted *reason_ret);
int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
			  u64 zero_to);
int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di,
			  u32 clusters_to_add, u32 extents_to_split,
			  struct ocfs2_alloc_context **data_ac,
			  struct ocfs2_alloc_context **meta_ac);
int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
		  struct kstat *stat);
int ocfs2_permission(struct inode *inode, int mask);

int ocfs2_should_update_atime(struct inode *inode,
			      struct vfsmount *vfsmnt);
int ocfs2_update_inode_atime(struct inode *inode,
			     struct buffer_head *bh);

int ocfs2_change_file_space(struct file *file, unsigned int cmd,
			    struct ocfs2_space_resv *sr);

#endif /* OCFS2_FILE_H */
Commit	Line	Data
ccd979bd MF	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
4b6f5d20 AV	29	extern const struct file_operations ocfs2_fops;
4b6f5d20 AV	30	extern const struct file_operations ocfs2_dops;
92e1d5be AV	31	extern const struct inode_operations ocfs2_file_iops;
92e1d5be AV	32	extern const struct inode_operations ocfs2_special_file_iops;
ccd979bd MF	33	struct ocfs2_alloc_context;
ccd979bd MF	34
cf8e06f1 MF	35	struct ocfs2_file_private {
	36	struct file *fp_file;
	37	struct mutex fp_mutex;
	38	struct ocfs2_lock_res fp_flock;
	39	};
	40
ccd979bd MF	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,
2ae99a60	48	u32 *logical_offset,
ccd979bd	49	u32 clusters_to_add,
2ae99a60	50	int mark_unwritten,
ccd979bd	51	struct buffer_head *fe_bh,
1fabe148	52	handle_t *handle,
ccd979bd MF	53	struct ocfs2_alloc_context *data_ac,
ccd979bd MF	54	struct ocfs2_alloc_context *meta_ac,
2ae99a60	55	enum ocfs2_alloc_restarted *reason_ret);
65ed39d6 MF	56	int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
65ed39d6 MF	57	u64 zero_to);
9517bac6	58	int ocfs2_lock_allocators(struct inode inode, struct ocfs2_dinode di,
b27b7cbc	59	u32 clusters_to_add, u32 extents_to_split,
9517bac6 MF	60	struct ocfs2_alloc_context **data_ac,
9517bac6 MF	61	struct ocfs2_alloc_context **meta_ac);
ccd979bd MF	62	int ocfs2_setattr(struct dentry dentry, struct iattr attr);
	63	int ocfs2_getattr(struct vfsmount mnt, struct dentry dentry,
	64	struct kstat *stat);
e6305c43	65	int ocfs2_permission(struct inode *inode, int mask);
ccd979bd	66
7f1a37e3 TY	67	int ocfs2_should_update_atime(struct inode *inode,
	68	struct vfsmount *vfsmnt);
	69	int ocfs2_update_inode_atime(struct inode *inode,
	70	struct buffer_head *bh);
	71
b2580103 MF	72	int ocfs2_change_file_space(struct file *file, unsigned int cmd,
	73	struct ocfs2_space_resv *sr);
	74
ccd979bd	75	#endif /* OCFS2_FILE_H */