/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2023 Red Hat */ #ifndef UDS_INDEX_LAYOUT_H #define UDS_INDEX_LAYOUT_H #include "config.h" #include "indexer.h" #include "io-factory.h" /* * The index layout describes the format of the index on the underlying storage, and is responsible * for creating those structures when the index is first created. It also validates the index data * when loading a saved index, and updates it when saving the index. */ struct index_layout; int __must_check uds_make_index_layout(struct uds_configuration *config, bool new_layout, struct index_layout **layout_ptr); void uds_free_index_layout(struct index_layout *layout); int __must_check uds_replace_index_layout_storage(struct index_layout *layout, struct block_device *bdev); int __must_check uds_load_index_state(struct index_layout *layout, struct uds_index *index); int __must_check uds_save_index_state(struct index_layout *layout, struct uds_index *index); int __must_check uds_discard_open_chapter(struct index_layout *layout); u64 __must_check uds_get_volume_nonce(struct index_layout *layout); int __must_check uds_open_volume_bufio(struct index_layout *layout, size_t block_size, unsigned int reserved_buffers, struct dm_bufio_client **client_ptr); #endif /* UDS_INDEX_LAYOUT_H */