// 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__ */