| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2016 Oracle. All Rights Reserved. |
| * Author: Darrick J. Wong <darrick.wong@oracle.com> |
| */ |
| #ifndef SLAB_H_ |
| #define SLAB_H_ |
| |
| struct xfs_slab; |
| struct xfs_slab_cursor; |
| |
| extern int init_slab(struct xfs_slab **, size_t); |
| extern void free_slab(struct xfs_slab **); |
| |
| extern int slab_add(struct xfs_slab *, void *); |
| extern void qsort_slab(struct xfs_slab *, int (*)(const void *, const void *)); |
| extern size_t slab_count(struct xfs_slab *); |
| |
| extern int init_slab_cursor(struct xfs_slab *, |
| int (*)(const void *, const void *), struct xfs_slab_cursor **); |
| extern void free_slab_cursor(struct xfs_slab_cursor **); |
| |
| extern void *peek_slab_cursor(struct xfs_slab_cursor *); |
| extern void advance_slab_cursor(struct xfs_slab_cursor *); |
| extern void *pop_slab_cursor(struct xfs_slab_cursor *); |
| |
| struct xfs_bag; |
| |
| extern int init_bag(struct xfs_bag **); |
| extern void free_bag(struct xfs_bag **); |
| extern int bag_add(struct xfs_bag *, void *); |
| extern int bag_remove(struct xfs_bag *, size_t); |
| extern size_t bag_count(struct xfs_bag *); |
| extern void *bag_item(struct xfs_bag *, size_t); |
| |
| #define foreach_bag_ptr(bag, idx, ptr) \ |
| for ((idx) = 0, (ptr) = bag_item((bag), (idx)); \ |
| (idx) < bag_count(bag); \ |
| (idx)++, (ptr) = bag_item((bag), (idx))) |
| |
| #define foreach_bag_ptr_reverse(bag, idx, ptr) \ |
| for ((idx) = bag_count(bag) - 1, (ptr) = bag_item((bag), (idx)); \ |
| (ptr) != NULL; \ |
| (idx)--, (ptr) = bag_item((bag), (idx))) |
| |
| #endif /* SLAB_H_ */ |