17b1a73fea
The goal is to assist high-level understanding of which code is conceptually specific to VDO's indexer. Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Matthew Sakai <msakai@redhat.com>
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2023 Red Hat
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*/
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#ifndef UDS_INDEX_LAYOUT_H
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#define UDS_INDEX_LAYOUT_H
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#include "config.h"
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#include "indexer.h"
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#include "io-factory.h"
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/*
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* The index layout describes the format of the index on the underlying storage, and is responsible
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* for creating those structures when the index is first created. It also validates the index data
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* when loading a saved index, and updates it when saving the index.
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*/
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struct index_layout;
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int __must_check uds_make_index_layout(struct uds_configuration *config, bool new_layout,
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struct index_layout **layout_ptr);
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void uds_free_index_layout(struct index_layout *layout);
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int __must_check uds_replace_index_layout_storage(struct index_layout *layout,
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struct block_device *bdev);
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int __must_check uds_load_index_state(struct index_layout *layout,
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struct uds_index *index);
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int __must_check uds_save_index_state(struct index_layout *layout,
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struct uds_index *index);
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int __must_check uds_discard_open_chapter(struct index_layout *layout);
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u64 __must_check uds_get_volume_nonce(struct index_layout *layout);
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int __must_check uds_open_volume_bufio(struct index_layout *layout, size_t block_size,
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unsigned int reserved_buffers,
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struct dm_bufio_client **client_ptr);
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#endif /* UDS_INDEX_LAYOUT_H */
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