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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <darrick.wong@oracle.com>
*/
#ifndef __XFS_SCRUB_ARRAY_H__
#define __XFS_SCRUB_ARRAY_H__
struct xma_item;
struct xma_cache {
uint64_t nr;
struct xa_item *item;
};
#define XMA_CACHE_SIZE (8)
struct xfbma {
struct list_head list;
size_t obj_size;
uint64_t nr;
struct xma_cache cache[XMA_CACHE_SIZE];
};
struct xfbma *xfbma_init(size_t obj_size);
void xfbma_destroy(struct xfbma *array);
int xfbma_get(struct xfbma *array, uint64_t nr, void *ptr);
int xfbma_set(struct xfbma *array, uint64_t nr, void *ptr);
int xfbma_insert_anywhere(struct xfbma *array, void *ptr);
bool xfbma_is_null(struct xfbma *array, void *ptr);
int xfbma_nullify(struct xfbma *array, uint64_t nr);
int xfbma_append(struct xfbma *array, void *ptr);
uint64_t xfbma_length(struct xfbma *array);
/*
* Iterator functions return zero for success, a negative error code to abort
* with an error, or XFBMA_ITERATE_ABORT to stop iterating.
*/
#define XFBMA_ITERATE_ABORT (1)
typedef int (*xfbma_iter_fn)(const void *item, void *priv);
int xfbma_iter_del(struct xfbma *array, xfbma_iter_fn iter_fn, void *priv);
typedef int (*xfbma_cmp_fn)(const void *a, const void *b);
int xfbma_sort(struct xfbma *array, xfbma_cmp_fn cmp_fn);
#define foreach_xfbma_item(array, i, rec) \
for ((i) = 0; (i) < xfbma_length(array); (i)++) \
if (xfbma_get((array), (i), &(rec)) == 0 && \
!xfbma_is_null((array), &(rec)))
#endif /* __XFS_SCRUB_ARRAY_H__ */
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