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

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* -*- 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.
 */

#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 file_operations ocfs2_fops_no_plocks;
extern const struct file_operations ocfs2_dops_no_plocks;
extern const struct inode_operations ocfs2_file_iops;
extern const struct inode_operations ocfs2_special_file_iops;
struct ocfs2_alloc_context;
enum ocfs2_alloc_restarted;

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

int ocfs2_add_inode_data(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_set_inode_size(handle_t *handle,
		struct inode *inode,
		struct buffer_head *fe_bh,
		u64 new_i_size);
int ocfs2_simple_size_update(struct inode *inode,
			     struct buffer_head *di_bh,
			     u64 new_i_size);
int ocfs2_truncate_file(struct inode *inode,
		struct buffer_head *di_bh,
		u64 new_i_size);
int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
			  u64 new_i_size, u64 zero_to);
int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
		      loff_t zero_to);
int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
int ocfs2_getattr(const struct path *path, struct kstat *stat,
		  u32 request_mask, unsigned int flags);
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);

int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
				   size_t count);
int ocfs2_remove_inode_range(struct inode *inode,
			     struct buffer_head *di_bh, u64 byte_start,
			     u64 byte_len);
#endif /* OCFS2_FILE_H */
Commit	Line	Data
328970de	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
ccd979bd MF	2	/* -- mode: c; c-basic-offset: 8; --
	3	* vim: noexpandtab sw=8 ts=8 sts=0:
	4	*
	5	* file.h
	6	*
	7	* Function prototypes
	8	*
	9	* Copyright (C) 2002, 2004 Oracle. All rights reserved.
ccd979bd MF	10	*/
	11
	12	#ifndef OCFS2_FILE_H
	13	#define OCFS2_FILE_H
	14
4b6f5d20 AV	15	extern const struct file_operations ocfs2_fops;
4b6f5d20 AV	16	extern const struct file_operations ocfs2_dops;
53da4939 MF	17	extern const struct file_operations ocfs2_fops_no_plocks;
53da4939 MF	18	extern const struct file_operations ocfs2_dops_no_plocks;
92e1d5be AV	19	extern const struct inode_operations ocfs2_file_iops;
92e1d5be AV	20	extern const struct inode_operations ocfs2_special_file_iops;
ccd979bd	21	struct ocfs2_alloc_context;
0eb8d47e	22	enum ocfs2_alloc_restarted;
ccd979bd	23
cf8e06f1 MF	24	struct ocfs2_file_private {
	25	struct file *fp_file;
	26	struct mutex fp_mutex;
	27	struct ocfs2_lock_res fp_flock;
	28	};
	29
0eb8d47e TM	30	int ocfs2_add_inode_data(struct ocfs2_super *osb,
	31	struct inode *inode,
	32	u32 *logical_offset,
	33	u32 clusters_to_add,
	34	int mark_unwritten,
	35	struct buffer_head *fe_bh,
	36	handle_t *handle,
	37	struct ocfs2_alloc_context *data_ac,
	38	struct ocfs2_alloc_context *meta_ac,
	39	enum ocfs2_alloc_restarted *reason_ret);
026749a8 JQ	40	int ocfs2_set_inode_size(handle_t *handle,
	41	struct inode *inode,
	42	struct buffer_head *fe_bh,
	43	u64 new_i_size);
9e33d69f JK	44	int ocfs2_simple_size_update(struct inode *inode,
	45	struct buffer_head *di_bh,
	46	u64 new_i_size);
026749a8 JQ	47	int ocfs2_truncate_file(struct inode *inode,
	48	struct buffer_head *di_bh,
	49	u64 new_i_size);
5693486b JB	50	int ocfs2_extend_no_holes(struct inode inode, struct buffer_head di_bh,
	51	u64 new_i_size, u64 zero_to);
	52	int ocfs2_zero_extend(struct inode inode, struct buffer_head di_bh,
	53	loff_t zero_to);
ccd979bd	54	int ocfs2_setattr(struct dentry dentry, struct iattr attr);
a528d35e DH	55	int ocfs2_getattr(const struct path path, struct kstat stat,
a528d35e DH	56	u32 request_mask, unsigned int flags);
10556cb2	57	int ocfs2_permission(struct inode *inode, int mask);
ccd979bd	58
7f1a37e3 TY	59	int ocfs2_should_update_atime(struct inode *inode,
	60	struct vfsmount *vfsmnt);
	61	int ocfs2_update_inode_atime(struct inode *inode,
	62	struct buffer_head *bh);
	63
b2580103 MF	64	int ocfs2_change_file_space(struct file *file, unsigned int cmd,
	65	struct ocfs2_space_resv *sr);
	66
293b2f70 TM	67	int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
293b2f70 TM	68	size_t count);
29ac8e85 DW	69	int ocfs2_remove_inode_range(struct inode *inode,
	70	struct buffer_head *di_bh, u64 byte_start,
	71	u64 byte_len);
ccd979bd	72	#endif /* OCFS2_FILE_H */