move Rust sources to top level, C sources into c_src

[bcachefs-tools-debian] / libbcachefs / backpointers.h

diff --git a/libbcachefs/backpointers.h b/libbcachefs/backpointers.h
deleted file mode 100644 (file)
index 737e239..0000000
--- a/libbcachefs/backpointers.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _BCACHEFS_BACKPOINTERS_BACKGROUND_H
-#define _BCACHEFS_BACKPOINTERS_BACKGROUND_H
-
-#include "btree_iter.h"
-#include "btree_update.h"
-#include "buckets.h"
-#include "super.h"
-
-static inline u64 swab40(u64 x)
-{
-       return (((x & 0x00000000ffULL) << 32)|
-               ((x & 0x000000ff00ULL) << 16)|
-               ((x & 0x0000ff0000ULL) >>  0)|
-               ((x & 0x00ff000000ULL) >> 16)|
-               ((x & 0xff00000000ULL) >> 32));
-}
-
-int bch2_backpointer_invalid(struct bch_fs *, struct bkey_s_c k,
-                            enum bkey_invalid_flags, struct printbuf *);
-void bch2_backpointer_to_text(struct printbuf *, const struct bch_backpointer *);
-void bch2_backpointer_k_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
-void bch2_backpointer_swab(struct bkey_s);
-
-#define bch2_bkey_ops_backpointer ((struct bkey_ops) { \
-       .key_invalid    = bch2_backpointer_invalid,     \
-       .val_to_text    = bch2_backpointer_k_to_text,   \
-       .swab           = bch2_backpointer_swab,        \
-       .min_val_size   = 32,                           \
-})
-
-#define MAX_EXTENT_COMPRESS_RATIO_SHIFT                10
-
-/*
- * Convert from pos in backpointer btree to pos of corresponding bucket in alloc
- * btree:
- */
-static inline struct bpos bp_pos_to_bucket(const struct bch_fs *c,
-                                          struct bpos bp_pos)
-{
-       struct bch_dev *ca = bch_dev_bkey_exists(c, bp_pos.inode);
-       u64 bucket_sector = bp_pos.offset >> MAX_EXTENT_COMPRESS_RATIO_SHIFT;
-
-       return POS(bp_pos.inode, sector_to_bucket(ca, bucket_sector));
-}
-
-/*
- * Convert from pos in alloc btree + bucket offset to pos in backpointer btree:
- */
-static inline struct bpos bucket_pos_to_bp(const struct bch_fs *c,
-                                          struct bpos bucket,
-                                          u64 bucket_offset)
-{
-       struct bch_dev *ca = bch_dev_bkey_exists(c, bucket.inode);
-       struct bpos ret;
-
-       ret = POS(bucket.inode,
-                 (bucket_to_sector(ca, bucket.offset) <<
-                  MAX_EXTENT_COMPRESS_RATIO_SHIFT) + bucket_offset);
-
-       EBUG_ON(!bkey_eq(bucket, bp_pos_to_bucket(c, ret)));
-
-       return ret;
-}
-
-int bch2_bucket_backpointer_mod_nowritebuffer(struct btree_trans *, struct bpos bucket,
-                               struct bch_backpointer, struct bkey_s_c, bool);
-
-static inline int bch2_bucket_backpointer_mod(struct btree_trans *trans,
-                               struct bpos bucket,
-                               struct bch_backpointer bp,
-                               struct bkey_s_c orig_k,
-                               bool insert)
-{
-       if (unlikely(bch2_backpointers_no_use_write_buffer))
-               return bch2_bucket_backpointer_mod_nowritebuffer(trans, bucket, bp, orig_k, insert);
-
-       struct bkey_i_backpointer bp_k;
-
-       bkey_backpointer_init(&bp_k.k_i);
-       bp_k.k.p = bucket_pos_to_bp(trans->c, bucket, bp.bucket_offset);
-       bp_k.v = bp;
-
-       if (!insert) {
-               bp_k.k.type = KEY_TYPE_deleted;
-               set_bkey_val_u64s(&bp_k.k, 0);
-       }
-
-       return bch2_trans_update_buffered(trans, BTREE_ID_backpointers, &bp_k.k_i);
-}
-
-static inline enum bch_data_type bkey_ptr_data_type(enum btree_id btree_id, unsigned level,
-                                                   struct bkey_s_c k, struct extent_ptr_decoded p)
-{
-       return  level           ? BCH_DATA_btree :
-               p.has_ec        ? BCH_DATA_stripe :
-                                 BCH_DATA_user;
-}
-
-static inline void bch2_extent_ptr_to_bp(struct bch_fs *c,
-                          enum btree_id btree_id, unsigned level,
-                          struct bkey_s_c k, struct extent_ptr_decoded p,
-                          struct bpos *bucket_pos, struct bch_backpointer *bp)
-{
-       enum bch_data_type data_type = bkey_ptr_data_type(btree_id, level, k, p);
-       s64 sectors = level ? btree_sectors(c) : k.k->size;
-       u32 bucket_offset;
-
-       *bucket_pos = PTR_BUCKET_POS_OFFSET(c, &p.ptr, &bucket_offset);
-       *bp = (struct bch_backpointer) {
-               .btree_id       = btree_id,
-               .level          = level,
-               .data_type      = data_type,
-               .bucket_offset  = ((u64) bucket_offset << MAX_EXTENT_COMPRESS_RATIO_SHIFT) +
-                       p.crc.offset,
-               .bucket_len     = ptr_disk_sectors(sectors, p),
-               .pos            = k.k->p,
-       };
-}
-
-int bch2_get_next_backpointer(struct btree_trans *, struct bpos, int,
-                             struct bpos *, struct bch_backpointer *, unsigned);
-struct bkey_s_c bch2_backpointer_get_key(struct btree_trans *, struct btree_iter *,
-                                        struct bpos, struct bch_backpointer,
-                                        unsigned);
-struct btree *bch2_backpointer_get_node(struct btree_trans *, struct btree_iter *,
-                                       struct bpos, struct bch_backpointer);
-
-int bch2_check_btree_backpointers(struct bch_fs *);
-int bch2_check_extents_to_backpointers(struct bch_fs *);
-int bch2_check_backpointers_to_extents(struct bch_fs *);
-
-#endif /* _BCACHEFS_BACKPOINTERS_BACKGROUND_H */