linux/fs/gfs2/inode.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
 */

#ifndef __INODE_DOT_H__
#define __INODE_DOT_H__

#include <linux/fs.h>
#include <linux/buffer_head.h>
#include <linux/mm.h>
#include "util.h"

bool gfs2_release_folio(struct folio *folio, gfp_t gfp_mask);
ssize_t gfs2_internal_read(struct gfs2_inode *ip,
			   char *buf, loff_t *pos, size_t size);
void gfs2_set_aops(struct inode *inode);

static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
{ … }

static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
{ … }

static inline bool gfs2_is_ordered(const struct gfs2_sbd *sdp)
{ … }

static inline bool gfs2_is_writeback(const struct gfs2_sbd *sdp)
{ … }

static inline int gfs2_is_dir(const struct gfs2_inode *ip)
{ … }

static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks)
{ … }

static inline u64 gfs2_get_inode_blocks(const struct inode *inode)
{ … }

static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change)
{ … }

static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
				  u64 no_formal_ino)
{ … }

static inline void gfs2_inum_out(const struct gfs2_inode *ip,
				 struct gfs2_dirent *dent)
{ … }

static inline int gfs2_check_internal_file_size(struct inode *inode,
						u64 minsize, u64 maxsize)
{ … }

struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
			        u64 no_addr, u64 no_formal_ino,
			        unsigned int blktype);
struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
				  u64 no_formal_ino,
				  unsigned int blktype);

int gfs2_inode_refresh(struct gfs2_inode *ip);

struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
			   int is_root);
int gfs2_permission(struct mnt_idmap *idmap,
		    struct inode *inode, int mask);
struct inode *gfs2_lookup_meta(struct inode *dip, const char *name);
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
int gfs2_open_common(struct inode *inode, struct file *file);
loff_t gfs2_seek_data(struct file *file, loff_t offset);
loff_t gfs2_seek_hole(struct file *file, loff_t offset);

extern const struct file_operations gfs2_file_fops_nolock;
extern const struct file_operations gfs2_dir_fops_nolock;

int gfs2_fileattr_get(struct dentry *dentry, struct fileattr *fa);
int gfs2_fileattr_set(struct mnt_idmap *idmap,
		      struct dentry *dentry, struct fileattr *fa);
void gfs2_set_inode_flags(struct inode *inode);

#ifdef CONFIG_GFS2_FS_LOCKING_DLM
extern const struct file_operations gfs2_file_fops;
extern const struct file_operations gfs2_dir_fops;

static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
{ … }
#else /* Single node only */
#define gfs2_file_fops …
#define gfs2_dir_fops …

static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
{
	return 1;
}
#endif /* CONFIG_GFS2_FS_LOCKING_DLM */

#endif /* __INODE_DOT_H__ */