fs/xfs/scrub/agb_bitmap.h

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2018-2023 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <djwong@kernel.org>
 */
#ifndef __XFS_SCRUB_AGB_BITMAP_H__
#define __XFS_SCRUB_AGB_BITMAP_H__

/* Bitmaps, but for type-checked for xfs_agblock_t */

struct xagb_bitmap {
	struct xbitmap32	agbitmap;
};

static inline void xagb_bitmap_init(struct xagb_bitmap *bitmap)
{
	xbitmap32_init(&bitmap->agbitmap);
}

static inline void xagb_bitmap_destroy(struct xagb_bitmap *bitmap)
{
	xbitmap32_destroy(&bitmap->agbitmap);
}

static inline int xagb_bitmap_clear(struct xagb_bitmap *bitmap,
		xfs_agblock_t start, xfs_extlen_t len)
{
	return xbitmap32_clear(&bitmap->agbitmap, start, len);
}
static inline int xagb_bitmap_set(struct xagb_bitmap *bitmap,
		xfs_agblock_t start, xfs_extlen_t len)
{
	return xbitmap32_set(&bitmap->agbitmap, start, len);
}

static inline bool xagb_bitmap_test(struct xagb_bitmap *bitmap,
		xfs_agblock_t start, xfs_extlen_t *len)
{
	return xbitmap32_test(&bitmap->agbitmap, start, len);
}

static inline int xagb_bitmap_disunion(struct xagb_bitmap *bitmap,
		struct xagb_bitmap *sub)
{
	return xbitmap32_disunion(&bitmap->agbitmap, &sub->agbitmap);
}

static inline uint32_t xagb_bitmap_hweight(struct xagb_bitmap *bitmap)
{
	return xbitmap32_hweight(&bitmap->agbitmap);
}
static inline bool xagb_bitmap_empty(struct xagb_bitmap *bitmap)
{
	return xbitmap32_empty(&bitmap->agbitmap);
}

static inline int xagb_bitmap_walk(struct xagb_bitmap *bitmap,
		xbitmap32_walk_fn fn, void *priv)
{
	return xbitmap32_walk(&bitmap->agbitmap, fn, priv);
}

int xagb_bitmap_set_btblocks(struct xagb_bitmap *bitmap,
		struct xfs_btree_cur *cur);
int xagb_bitmap_set_btcur_path(struct xagb_bitmap *bitmap,
		struct xfs_btree_cur *cur);

static inline uint32_t xagb_bitmap_count_set_regions(struct xagb_bitmap *b)
{
	return xbitmap32_count_set_regions(&b->agbitmap);
}

#endif	/* __XFS_SCRUB_AGB_BITMAP_H__ */