// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2020-2024 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <djwong@kernel.org>
 */
#ifndef __XFS_SCRUB_RTSUMMARY_H__
#define __XFS_SCRUB_RTSUMMARY_H__

struct xchk_rtsummary {
#ifdef CONFIG_XFS_ONLINE_REPAIR
        struct xrep_tempexch    tempexch;
#endif
        struct xfs_rtalloc_args args;

        uint64_t                rextents;
        uint64_t                rbmblocks;
        xfs_filblks_t           rsumblocks;
        unsigned int            rsumlevels;
        unsigned int            resblks;

        /* suminfo position of xfile as we write buffers to disk. */
        xfs_rtsumoff_t          prep_wordoff;

        /* Memory buffer for the summary comparison. */
        union xfs_suminfo_raw   words[];
};

int xfsum_copyout(struct xfs_scrub *sc, xfs_rtsumoff_t sumoff,
                union xfs_suminfo_raw *rawinfo, unsigned int nr_words);

#ifdef CONFIG_XFS_ONLINE_REPAIR
int xrep_setup_rtsummary(struct xfs_scrub *sc, struct xchk_rtsummary *rts);
#else
# define xrep_setup_rtsummary(sc, rts)  (0)
#endif /* CONFIG_XFS_ONLINE_REPAIR */

#endif /* __XFS_SCRUB_RTSUMMARY_H__ */