dir.h | Explore in Territory

/* 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 __DIR_DOT_H__
#define __DIR_DOT_H__

#include <linux/dcache.h>
#include <linux/crc32.h>

struct inode;
struct gfs2_inode;
struct gfs2_inum;
struct buffer_head;
struct gfs2_dirent;

struct gfs2_diradd { … };

struct inode *gfs2_dir_search(struct inode *dir,
			      const struct qstr *filename,
			      bool fail_on_exist);
int gfs2_dir_check(struct inode *dir, const struct qstr *filename,
		   const struct gfs2_inode *ip);
int gfs2_dir_add(struct inode *inode, const struct qstr *filename,
		 const struct gfs2_inode *ip, struct gfs2_diradd *da);
static inline void gfs2_dir_no_add(struct gfs2_diradd *da)
{ … }
int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry);
int gfs2_dir_read(struct inode *inode, struct dir_context *ctx,
		  struct file_ra_state *f_ra);
int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
		   const struct gfs2_inode *nip, unsigned int new_type);

int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);

int gfs2_diradd_alloc_required(struct inode *dir,
			       const struct qstr *filename,
			       struct gfs2_diradd *da);
int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block,
			    struct buffer_head **bhp);
void gfs2_dir_hash_inval(struct gfs2_inode *ip);

static inline u32 gfs2_disk_hash(const char *data, int len)
{ … }


static inline void gfs2_str2qstr(struct qstr *name, const char *fname)
{ … }

/* N.B. This probably ought to take inum & type as args as well */
static inline void gfs2_qstr2dirent(const struct qstr *name, u16 reclen, struct gfs2_dirent *dent)
{ … }

extern struct qstr gfs2_qdot;
extern struct qstr gfs2_qdotdot;

#endif /* __DIR_DOT_H__ */
linux/fs/gfs2/dir.h
