linux/fs/bcachefs/compress.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_COMPRESS_H
#define _BCACHEFS_COMPRESS_H

#include "extents_types.h"

static const unsigned __bch2_compression_opt_to_type[] = …;

struct bch_compression_opt { … };

static inline struct bch_compression_opt __bch2_compression_decode(unsigned v)
{ … }

static inline bool bch2_compression_opt_valid(unsigned v)
{ … }

static inline struct bch_compression_opt bch2_compression_decode(unsigned v)
{ … }

static inline unsigned bch2_compression_encode(struct bch_compression_opt opt)
{ … }

static inline enum bch_compression_type bch2_compression_opt_to_type(unsigned v)
{ … }

int bch2_bio_uncompress_inplace(struct bch_fs *, struct bio *,
				struct bch_extent_crc_unpacked *);
int bch2_bio_uncompress(struct bch_fs *, struct bio *, struct bio *,
		       struct bvec_iter, struct bch_extent_crc_unpacked);
unsigned bch2_bio_compress(struct bch_fs *, struct bio *, size_t *,
			   struct bio *, size_t *, unsigned);

int bch2_check_set_has_compressed_data(struct bch_fs *, unsigned);
void bch2_fs_compress_exit(struct bch_fs *);
int bch2_fs_compress_init(struct bch_fs *);

void bch2_compression_opt_to_text(struct printbuf *, u64);

int bch2_opt_compression_parse(struct bch_fs *, const char *, u64 *, struct printbuf *);
void bch2_opt_compression_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *, u64);
int bch2_opt_compression_validate(u64, struct printbuf *);

#define bch2_opt_compression …

#endif /* _BCACHEFS_COMPRESS_H */