linux/include/linux/dqblk_qtree.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *	Definitions of structures and functions for quota formats using trie
 */

#ifndef _LINUX_DQBLK_QTREE_H
#define _LINUX_DQBLK_QTREE_H

#include <linux/types.h>

/* Numbers of blocks needed for updates - we count with the smallest
 * possible block size (1024) */
#define QTREE_INIT_ALLOC …
#define QTREE_INIT_REWRITE …
#define QTREE_DEL_ALLOC …
#define QTREE_DEL_REWRITE …

struct dquot;
struct kqid;

/* Operations */
struct qtree_fmt_operations { … };

/* Inmemory copy of version specific information */
struct qtree_mem_dqinfo { … };

int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot);
int qtree_entry_unused(struct qtree_mem_dqinfo *info, char *disk);
static inline int qtree_depth(struct qtree_mem_dqinfo *info)
{ … }
int qtree_get_next_id(struct qtree_mem_dqinfo *info, struct kqid *qid);

#endif /* _LINUX_DQBLK_QTREE_H */