+++ /dev/null
-/* 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[] = {
-#define x(t, n) [BCH_COMPRESSION_OPT_##t] = BCH_COMPRESSION_TYPE_##t,
- BCH_COMPRESSION_OPTS()
-#undef x
-};
-
-struct bch_compression_opt {
- u8 type:4,
- level:4;
-};
-
-static inline struct bch_compression_opt __bch2_compression_decode(unsigned v)
-{
- return (struct bch_compression_opt) {
- .type = v & 15,
- .level = v >> 4,
- };
-}
-
-static inline bool bch2_compression_opt_valid(unsigned v)
-{
- struct bch_compression_opt opt = __bch2_compression_decode(v);
-
- return opt.type < ARRAY_SIZE(__bch2_compression_opt_to_type) && !(!opt.type && opt.level);
-}
-
-static inline struct bch_compression_opt bch2_compression_decode(unsigned v)
-{
- return bch2_compression_opt_valid(v)
- ? __bch2_compression_decode(v)
- : (struct bch_compression_opt) { 0 };
-}
-
-static inline unsigned bch2_compression_encode(struct bch_compression_opt opt)
-{
- return opt.type|(opt.level << 4);
-}
-
-static inline enum bch_compression_type bch2_compression_opt_to_type(unsigned v)
-{
- return __bch2_compression_opt_to_type[bch2_compression_decode(v).type];
-}
-
-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 (struct bch_opt_fn) { \
- .parse = bch2_opt_compression_parse, \
- .to_text = bch2_opt_compression_to_text, \
- .validate = bch2_opt_compression_validate, \
-}
-
-#endif /* _BCACHEFS_COMPRESS_H */