/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 2021-2024 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <djwong@kernel.org>
 */
#ifndef __XFS_SCRUB_XFBLOB_H__
#define __XFS_SCRUB_XFBLOB_H__

struct xfblob {
        struct xfile    *xfile;
        loff_t          last_offset;
};

typedef loff_t          xfblob_cookie;

int xfblob_create(const char *descr, struct xfblob **blobp);
void xfblob_destroy(struct xfblob *blob);
int xfblob_load(struct xfblob *blob, xfblob_cookie cookie, void *ptr,
                uint32_t size);
int xfblob_store(struct xfblob *blob, xfblob_cookie *cookie, const void *ptr,
                uint32_t size);
int xfblob_free(struct xfblob *blob, xfblob_cookie cookie);
unsigned long long xfblob_bytes(struct xfblob *blob);
void xfblob_truncate(struct xfblob *blob);

static inline int
xfblob_storename(
        struct xfblob           *blob,
        xfblob_cookie           *cookie,
        const struct xfs_name   *xname)
{
        return xfblob_store(blob, cookie, xname->name, xname->len);
}

static inline int
xfblob_loadname(
        struct xfblob           *blob,
        xfblob_cookie           cookie,
        struct xfs_name         *xname,
        uint32_t                size)
{
        int ret = xfblob_load(blob, cookie, (void *)xname->name, size);
        if (ret)
                return ret;

        xname->len = size;
        return 0;
}

#endif /* __XFS_SCRUB_XFBLOB_H__ */