linux/fs/xfs/libxfs/xfs_btree_staging.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2020 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <[email protected]>
 */
#ifndef __XFS_BTREE_STAGING_H__
#define __XFS_BTREE_STAGING_H__

/* Fake root for an AG-rooted btree. */
struct xbtree_afakeroot { … };

/* Cursor interactions with fake roots for AG-rooted btrees. */
void xfs_btree_stage_afakeroot(struct xfs_btree_cur *cur,
		struct xbtree_afakeroot *afake);
void xfs_btree_commit_afakeroot(struct xfs_btree_cur *cur, struct xfs_trans *tp,
		struct xfs_buf *agbp);

/* Fake root for an inode-rooted btree. */
struct xbtree_ifakeroot { … };

/* Cursor interactions with fake roots for inode-rooted btrees. */
void xfs_btree_stage_ifakeroot(struct xfs_btree_cur *cur,
		struct xbtree_ifakeroot *ifake);
void xfs_btree_commit_ifakeroot(struct xfs_btree_cur *cur, struct xfs_trans *tp,
		int whichfork);

/* Bulk loading of staged btrees. */
xfs_btree_bload_get_records_fn;
xfs_btree_bload_claim_block_fn;
xfs_btree_bload_iroot_size_fn;

struct xfs_btree_bload { … };

int xfs_btree_bload_compute_geometry(struct xfs_btree_cur *cur,
		struct xfs_btree_bload *bbl, uint64_t nr_records);
int xfs_btree_bload(struct xfs_btree_cur *cur, struct xfs_btree_bload *bbl,
		void *priv);

#endif	/* __XFS_BTREE_STAGING_H__ */