/* SPDX-License-Identifier: GPL-2.0 */

/*
 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
 * Use is subject to license terms.
 *
 * Copyright (c) 2012, 2014, Intel Corporation.
 */

/*
 * This file is part of Lustre, http://www.lustre.org/
 *
 * Author: Yury Umanets <umka@clusterfs.com>
 */

#ifndef __FID_INTERNAL_H
#define __FID_INTERNAL_H

#include <libcfs/libcfs.h>

#ifdef HAVE_SERVER_SUPPORT
# define HAVE_SEQ_SERVER

struct req_capsule;

struct seq_thread_info {
	struct req_capsule	*sti_pill;
	struct lu_seq_range	sti_space;
	struct lu_buf		sti_buf;
};

enum {
	SEQ_TXN_STORE_CREDITS = 20
};

extern struct lu_context_key seq_thread_key;

extern struct ldebugfs_vars seq_server_debugfs_list[];

/* Store API functions. */
struct dt_device;

int seq_store_init(struct lu_server_seq *seq,
		   const struct lu_env *env,
		   struct dt_device *dt);

void seq_store_fini(struct lu_server_seq *seq,
		    const struct lu_env *env);

int seq_store_read(struct lu_server_seq *seq,
		   const struct lu_env *env);

int seq_store_update(const struct lu_env *env, struct lu_server_seq *seq,
		     struct lu_seq_range *out, int sync);

int seq_server_alloc_spec(struct lu_server_seq *seq,
			  struct lu_seq_range *spec,
			  const struct lu_env *env);

int fid_server_mod_init(void);

void fid_server_mod_exit(void);

# endif /* HAVE_SERVER_SUPPORT */

/* Functions used internally in module. */
int seq_client_alloc_super(struct lu_client_seq *seq,
			   const struct lu_env *env);

extern struct dentry *seq_debugfs_dir;

extern struct ldebugfs_vars seq_client_debugfs_list[];

extern const struct file_operations seq_fld_debugfs_seq_fops;

#endif /* __FID_INTERNAL_H */