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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2022-2023 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <djwong@kernel.org>
*/
#ifndef __XFS_SCRUB_NEWBT_H__
#define __XFS_SCRUB_NEWBT_H__
struct xfs_alloc_arg;
struct xrep_newbt_resv {
/* Link to list of extents that we've reserved. */
struct list_head list;
struct xfs_perag *pag;
/* Auto-freeing this reservation if we don't commit. */
struct xfs_alloc_autoreap autoreap;
/* AG block of the extent we reserved. */
xfs_agblock_t agbno;
/* Length of the reservation. */
xfs_extlen_t len;
/* How much of this reservation has been used. */
xfs_extlen_t used;
};
struct xrep_newbt {
struct xfs_scrub *sc;
/* Custom allocation function, or NULL for xfs_alloc_vextent */
int (*alloc_vextent)(struct xfs_scrub *sc,
struct xfs_alloc_arg *args,
xfs_fsblock_t alloc_hint);
/* List of extents that we've reserved. */
struct list_head resv_list;
/* Fake root for new btree. */
union {
struct xbtree_afakeroot afake;
struct xbtree_ifakeroot ifake;
};
/* rmap owner of these blocks */
struct xfs_owner_info oinfo;
/* btree geometry for the bulk loader */
struct xfs_btree_bload bload;
/* Allocation hint */
xfs_fsblock_t alloc_hint;
/* per-ag reservation type */
enum xfs_ag_resv_type resv;
};
void xrep_newbt_init_bare(struct xrep_newbt *xnr, struct xfs_scrub *sc);
void xrep_newbt_init_ag(struct xrep_newbt *xnr, struct xfs_scrub *sc,
const struct xfs_owner_info *oinfo, xfs_fsblock_t alloc_hint,
enum xfs_ag_resv_type resv);
int xrep_newbt_init_inode(struct xrep_newbt *xnr, struct xfs_scrub *sc,
int whichfork, const struct xfs_owner_info *oinfo);
int xrep_newbt_alloc_blocks(struct xrep_newbt *xnr, uint64_t nr_blocks);
int xrep_newbt_add_extent(struct xrep_newbt *xnr, struct xfs_perag *pag,
xfs_agblock_t agbno, xfs_extlen_t len);
void xrep_newbt_cancel(struct xrep_newbt *xnr);
int xrep_newbt_commit(struct xrep_newbt *xnr);
int xrep_newbt_claim_block(struct xfs_btree_cur *cur, struct xrep_newbt *xnr,
union xfs_btree_ptr *ptr);
unsigned int xrep_newbt_unused_blocks(struct xrep_newbt *xnr);
#endif /* __XFS_SCRUB_NEWBT_H__ */
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