1 files changed, 0 insertions, 172 deletions
diff --git a/fs/bcachefs/backpointers.h b/fs/bcachefs/backpointers.h
deleted file mode 100644
index 6021de1c5e98..000000000000
--- a/fs/bcachefs/backpointers.h
+++ /dev/null
@@ -1,172 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _BCACHEFS_BACKPOINTERS_BACKGROUND_H
-#define _BCACHEFS_BACKPOINTERS_BACKGROUND_H
-
-#include "btree_cache.h"
-#include "btree_iter.h"
-#include "btree_update.h"
-#include "buckets.h"
-#include "error.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 bch_validate_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_dev *ca, struct bpos bp_pos)
-{
-	u64 bucket_sector = bp_pos.offset >> MAX_EXTENT_COMPRESS_RATIO_SHIFT;
-
-	return POS(bp_pos.inode, sector_to_bucket(ca, bucket_sector));
-}
-
-static inline bool bp_pos_to_bucket_nodev_noerror(struct bch_fs *c, struct bpos bp_pos, struct bpos *bucket)
-{
-	rcu_read_lock();
-	struct bch_dev *ca = bch2_dev_rcu(c, bp_pos.inode);
-	if (ca)
-		*bucket = bp_pos_to_bucket(ca, bp_pos);
-	rcu_read_unlock();
-	return ca != NULL;
-}
-
-static inline bool bp_pos_to_bucket_nodev(struct bch_fs *c, struct bpos bp_pos, struct bpos *bucket)
-{
-	return !bch2_fs_inconsistent_on(!bp_pos_to_bucket_nodev_noerror(c, bp_pos, bucket),
-					c, "backpointer for missing device %llu", bp_pos.inode);
-}
-
-static inline struct bpos bucket_pos_to_bp_noerror(const struct bch_dev *ca,
-						   struct bpos bucket,
-						   u64 bucket_offset)
-{
-	return POS(bucket.inode,
-		   (bucket_to_sector(ca, bucket.offset) <<
-		    MAX_EXTENT_COMPRESS_RATIO_SHIFT) + bucket_offset);
-}
-
-/*
- * Convert from pos in alloc btree + bucket offset to pos in backpointer btree:
- */
-static inline struct bpos bucket_pos_to_bp(const struct bch_dev *ca,
-					   struct bpos bucket,
-					   u64 bucket_offset)
-{
-	struct bpos ret = bucket_pos_to_bp_noerror(ca, bucket, bucket_offset);
-	EBUG_ON(!bkey_eq(bucket, bp_pos_to_bucket(ca, ret)));
-	return ret;
-}
-
-int bch2_bucket_backpointer_mod_nowritebuffer(struct btree_trans *, struct bch_dev *,
-				struct bpos bucket, struct bch_backpointer, struct bkey_s_c, bool);
-
-static inline int bch2_bucket_backpointer_mod(struct btree_trans *trans,
-				struct bch_dev *ca,
-				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, ca, 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(ca, 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 bch2_bkey_ptr_data_type(struct bkey_s_c k,
-							 struct extent_ptr_decoded p,
-							 const union bch_extent_entry *entry)
-{
-	switch (k.k->type) {
-	case KEY_TYPE_btree_ptr:
-	case KEY_TYPE_btree_ptr_v2:
-		return BCH_DATA_btree;
-	case KEY_TYPE_extent:
-	case KEY_TYPE_reflink_v:
-		return p.has_ec ? BCH_DATA_stripe : BCH_DATA_user;
-	case KEY_TYPE_stripe: {
-		const struct bch_extent_ptr *ptr = &entry->ptr;
-		struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k);
-
-		BUG_ON(ptr < s.v->ptrs ||
-		       ptr >= s.v->ptrs + s.v->nr_blocks);
-
-		return ptr >= s.v->ptrs + s.v->nr_blocks - s.v->nr_redundant
-			? BCH_DATA_parity
-			: BCH_DATA_user;
-	}
-	default:
-		BUG();
-	}
-}
-
-static inline void bch2_extent_ptr_to_bp(struct bch_fs *c, struct bch_dev *ca,
-			   enum btree_id btree_id, unsigned level,
-			   struct bkey_s_c k, struct extent_ptr_decoded p,
-			   const union bch_extent_entry *entry,
-			   struct bpos *bucket_pos, struct bch_backpointer *bp)
-{
-	enum bch_data_type data_type = bch2_bkey_ptr_data_type(k, p, entry);
-	s64 sectors = level ? btree_sectors(c) : k.k->size;
-	u32 bucket_offset;
-
-	*bucket_pos = PTR_BUCKET_POS_OFFSET(ca, &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 bch_dev *ca, 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 */