btrfs: move accessor helpers into accessors.h

This is a large patch, but because they're all macros it's impossible to
split up.  Simply copy all of the item accessors in ctree.h and paste
them in accessors.h, and then update any files to include the header so
everything compiles.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ reformat comments, style fixups ]
Signed-off-by: David Sterba <dsterba@suse.com>

46 files changed, 1112 insertions, 1091 deletions

diff --git a/fs/btrfs/accessors.h b/fs/btrfs/accessors.h
index a47b0f9d30ca..e8bbd4d80161 100644
--- a/fs/btrfs/accessors.h
+++ b/fs/btrfs/accessors.h
@@ -9,6 +9,1074 @@ struct btrfs_map_token {
 	unsigned long offset;
 };
 
+#define BTRFS_LEAF_DATA_OFFSET		offsetof(struct btrfs_leaf, items)
+
 void btrfs_init_map_token(struct btrfs_map_token *token, struct extent_buffer *eb);
 
+/*
+ * Some macros to generate set/get functions for the struct fields.  This
+ * assumes there is a lefoo_to_cpu for every type, so lets make a simple one
+ * for u8:
+ */
+#define le8_to_cpu(v) (v)
+#define cpu_to_le8(v) (v)
+#define __le8 u8
+
+static inline u8 get_unaligned_le8(const void *p)
+{
+       return *(u8 *)p;
+}
+
+static inline void put_unaligned_le8(u8 val, void *p)
+{
+       *(u8 *)p = val;
+}
+
+#define read_eb_member(eb, ptr, type, member, result) (\
+	read_extent_buffer(eb, (char *)(result),			\
+			   ((unsigned long)(ptr)) +			\
+			    offsetof(type, member),			\
+			   sizeof(((type *)0)->member)))
+
+#define write_eb_member(eb, ptr, type, member, result) (\
+	write_extent_buffer(eb, (char *)(result),			\
+			   ((unsigned long)(ptr)) +			\
+			    offsetof(type, member),			\
+			   sizeof(((type *)0)->member)))
+
+#define DECLARE_BTRFS_SETGET_BITS(bits)					\
+u##bits btrfs_get_token_##bits(struct btrfs_map_token *token,		\
+			       const void *ptr, unsigned long off);	\
+void btrfs_set_token_##bits(struct btrfs_map_token *token,		\
+			    const void *ptr, unsigned long off,		\
+			    u##bits val);				\
+u##bits btrfs_get_##bits(const struct extent_buffer *eb,		\
+			 const void *ptr, unsigned long off);		\
+void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr,	\
+		      unsigned long off, u##bits val);
+
+DECLARE_BTRFS_SETGET_BITS(8)
+DECLARE_BTRFS_SETGET_BITS(16)
+DECLARE_BTRFS_SETGET_BITS(32)
+DECLARE_BTRFS_SETGET_BITS(64)
+
+#define BTRFS_SETGET_FUNCS(name, type, member, bits)			\
+static inline u##bits btrfs_##name(const struct extent_buffer *eb,	\
+				   const type *s)			\
+{									\
+	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
+	return btrfs_get_##bits(eb, s, offsetof(type, member));		\
+}									\
+static inline void btrfs_set_##name(const struct extent_buffer *eb, type *s, \
+				    u##bits val)			\
+{									\
+	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
+	btrfs_set_##bits(eb, s, offsetof(type, member), val);		\
+}									\
+static inline u##bits btrfs_token_##name(struct btrfs_map_token *token,	\
+					 const type *s)			\
+{									\
+	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
+	return btrfs_get_token_##bits(token, s, offsetof(type, member));\
+}									\
+static inline void btrfs_set_token_##name(struct btrfs_map_token *token,\
+					  type *s, u##bits val)		\
+{									\
+	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
+	btrfs_set_token_##bits(token, s, offsetof(type, member), val);	\
+}
+
+#define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits)		\
+static inline u##bits btrfs_##name(const struct extent_buffer *eb)	\
+{									\
+	const type *p = page_address(eb->pages[0]) +			\
+			offset_in_page(eb->start);			\
+	return get_unaligned_le##bits(&p->member);			\
+}									\
+static inline void btrfs_set_##name(const struct extent_buffer *eb,	\
+				    u##bits val)			\
+{									\
+	type *p = page_address(eb->pages[0]) + offset_in_page(eb->start); \
+	put_unaligned_le##bits(val, &p->member);			\
+}
+
+#define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits)		\
+static inline u##bits btrfs_##name(const type *s)			\
+{									\
+	return get_unaligned_le##bits(&s->member);			\
+}									\
+static inline void btrfs_set_##name(type *s, u##bits val)		\
+{									\
+	put_unaligned_le##bits(val, &s->member);			\
+}
+
+static inline u64 btrfs_device_total_bytes(const struct extent_buffer *eb,
+					   struct btrfs_dev_item *s)
+{
+	static_assert(sizeof(u64) ==
+		      sizeof(((struct btrfs_dev_item *)0))->total_bytes);
+	return btrfs_get_64(eb, s, offsetof(struct btrfs_dev_item,
+					    total_bytes));
+}
+static inline void btrfs_set_device_total_bytes(const struct extent_buffer *eb,
+						struct btrfs_dev_item *s,
+						u64 val)
+{
+	static_assert(sizeof(u64) ==
+		      sizeof(((struct btrfs_dev_item *)0))->total_bytes);
+	WARN_ON(!IS_ALIGNED(val, eb->fs_info->sectorsize));
+	btrfs_set_64(eb, s, offsetof(struct btrfs_dev_item, total_bytes), val);
+}
+
+BTRFS_SETGET_FUNCS(device_type, struct btrfs_dev_item, type, 64);
+BTRFS_SETGET_FUNCS(device_bytes_used, struct btrfs_dev_item, bytes_used, 64);
+BTRFS_SETGET_FUNCS(device_io_align, struct btrfs_dev_item, io_align, 32);
+BTRFS_SETGET_FUNCS(device_io_width, struct btrfs_dev_item, io_width, 32);
+BTRFS_SETGET_FUNCS(device_start_offset, struct btrfs_dev_item, start_offset, 64);
+BTRFS_SETGET_FUNCS(device_sector_size, struct btrfs_dev_item, sector_size, 32);
+BTRFS_SETGET_FUNCS(device_id, struct btrfs_dev_item, devid, 64);
+BTRFS_SETGET_FUNCS(device_group, struct btrfs_dev_item, dev_group, 32);
+BTRFS_SETGET_FUNCS(device_seek_speed, struct btrfs_dev_item, seek_speed, 8);
+BTRFS_SETGET_FUNCS(device_bandwidth, struct btrfs_dev_item, bandwidth, 8);
+BTRFS_SETGET_FUNCS(device_generation, struct btrfs_dev_item, generation, 64);
+
+BTRFS_SETGET_STACK_FUNCS(stack_device_type, struct btrfs_dev_item, type, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_device_total_bytes, struct btrfs_dev_item,
+			 total_bytes, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_device_bytes_used, struct btrfs_dev_item,
+			 bytes_used, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_device_io_align, struct btrfs_dev_item,
+			 io_align, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_device_io_width, struct btrfs_dev_item,
+			 io_width, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_device_sector_size, struct btrfs_dev_item,
+			 sector_size, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_device_id, struct btrfs_dev_item, devid, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_device_group, struct btrfs_dev_item, dev_group, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_device_seek_speed, struct btrfs_dev_item,
+			 seek_speed, 8);
+BTRFS_SETGET_STACK_FUNCS(stack_device_bandwidth, struct btrfs_dev_item,
+			 bandwidth, 8);
+BTRFS_SETGET_STACK_FUNCS(stack_device_generation, struct btrfs_dev_item,
+			 generation, 64);
+
+static inline unsigned long btrfs_device_uuid(struct btrfs_dev_item *d)
+{
+	return (unsigned long)d + offsetof(struct btrfs_dev_item, uuid);
+}
+
+static inline unsigned long btrfs_device_fsid(struct btrfs_dev_item *d)
+{
+	return (unsigned long)d + offsetof(struct btrfs_dev_item, fsid);
+}
+
+BTRFS_SETGET_FUNCS(chunk_length, struct btrfs_chunk, length, 64);
+BTRFS_SETGET_FUNCS(chunk_owner, struct btrfs_chunk, owner, 64);
+BTRFS_SETGET_FUNCS(chunk_stripe_len, struct btrfs_chunk, stripe_len, 64);
+BTRFS_SETGET_FUNCS(chunk_io_align, struct btrfs_chunk, io_align, 32);
+BTRFS_SETGET_FUNCS(chunk_io_width, struct btrfs_chunk, io_width, 32);
+BTRFS_SETGET_FUNCS(chunk_sector_size, struct btrfs_chunk, sector_size, 32);
+BTRFS_SETGET_FUNCS(chunk_type, struct btrfs_chunk, type, 64);
+BTRFS_SETGET_FUNCS(chunk_num_stripes, struct btrfs_chunk, num_stripes, 16);
+BTRFS_SETGET_FUNCS(chunk_sub_stripes, struct btrfs_chunk, sub_stripes, 16);
+BTRFS_SETGET_FUNCS(stripe_devid, struct btrfs_stripe, devid, 64);
+BTRFS_SETGET_FUNCS(stripe_offset, struct btrfs_stripe, offset, 64);
+
+static inline char *btrfs_stripe_dev_uuid(struct btrfs_stripe *s)
+{
+	return (char *)s + offsetof(struct btrfs_stripe, dev_uuid);
+}
+
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_length, struct btrfs_chunk, length, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_owner, struct btrfs_chunk, owner, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_stripe_len, struct btrfs_chunk,
+			 stripe_len, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_align, struct btrfs_chunk, io_align, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_width, struct btrfs_chunk, io_width, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_sector_size, struct btrfs_chunk,
+			 sector_size, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_type, struct btrfs_chunk, type, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_num_stripes, struct btrfs_chunk,
+			 num_stripes, 16);
+BTRFS_SETGET_STACK_FUNCS(stack_chunk_sub_stripes, struct btrfs_chunk,
+			 sub_stripes, 16);
+BTRFS_SETGET_STACK_FUNCS(stack_stripe_devid, struct btrfs_stripe, devid, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_stripe_offset, struct btrfs_stripe, offset, 64);
+
+static inline struct btrfs_stripe *btrfs_stripe_nr(struct btrfs_chunk *c, int nr)
+{
+	unsigned long offset = (unsigned long)c;
+
+	offset += offsetof(struct btrfs_chunk, stripe);
+	offset += nr * sizeof(struct btrfs_stripe);
+	return (struct btrfs_stripe *)offset;
+}
+
+static inline char *btrfs_stripe_dev_uuid_nr(struct btrfs_chunk *c, int nr)
+{
+	return btrfs_stripe_dev_uuid(btrfs_stripe_nr(c, nr));
+}
+
+static inline u64 btrfs_stripe_offset_nr(const struct extent_buffer *eb,
+					 struct btrfs_chunk *c, int nr)
+{
+	return btrfs_stripe_offset(eb, btrfs_stripe_nr(c, nr));
+}
+
+static inline u64 btrfs_stripe_devid_nr(const struct extent_buffer *eb,
+					 struct btrfs_chunk *c, int nr)
+{
+	return btrfs_stripe_devid(eb, btrfs_stripe_nr(c, nr));
+}
+
+/* struct btrfs_block_group_item */
+BTRFS_SETGET_STACK_FUNCS(stack_block_group_used, struct btrfs_block_group_item,
+			 used, 64);
+BTRFS_SETGET_FUNCS(block_group_used, struct btrfs_block_group_item, used, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_block_group_chunk_objectid,
+			struct btrfs_block_group_item, chunk_objectid, 64);
+
+BTRFS_SETGET_FUNCS(block_group_chunk_objectid,
+		   struct btrfs_block_group_item, chunk_objectid, 64);
+BTRFS_SETGET_FUNCS(block_group_flags, struct btrfs_block_group_item, flags, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_block_group_flags,
+			struct btrfs_block_group_item, flags, 64);
+
+/* struct btrfs_free_space_info */
+BTRFS_SETGET_FUNCS(free_space_extent_count, struct btrfs_free_space_info,
+		   extent_count, 32);
+BTRFS_SETGET_FUNCS(free_space_flags, struct btrfs_free_space_info, flags, 32);
+
+/* struct btrfs_inode_ref */
+BTRFS_SETGET_FUNCS(inode_ref_name_len, struct btrfs_inode_ref, name_len, 16);
+BTRFS_SETGET_FUNCS(inode_ref_index, struct btrfs_inode_ref, index, 64);
+
+/* struct btrfs_inode_extref */
+BTRFS_SETGET_FUNCS(inode_extref_parent, struct btrfs_inode_extref,
+		   parent_objectid, 64);
+BTRFS_SETGET_FUNCS(inode_extref_name_len, struct btrfs_inode_extref,
+		   name_len, 16);
+BTRFS_SETGET_FUNCS(inode_extref_index, struct btrfs_inode_extref, index, 64);
+
+/* struct btrfs_inode_item */
+BTRFS_SETGET_FUNCS(inode_generation, struct btrfs_inode_item, generation, 64);
+BTRFS_SETGET_FUNCS(inode_sequence, struct btrfs_inode_item, sequence, 64);
+BTRFS_SETGET_FUNCS(inode_transid, struct btrfs_inode_item, transid, 64);
+BTRFS_SETGET_FUNCS(inode_size, struct btrfs_inode_item, size, 64);
+BTRFS_SETGET_FUNCS(inode_nbytes, struct btrfs_inode_item, nbytes, 64);
+BTRFS_SETGET_FUNCS(inode_block_group, struct btrfs_inode_item, block_group, 64);
+BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
+BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
+BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
+BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
+BTRFS_SETGET_FUNCS(inode_rdev, struct btrfs_inode_item, rdev, 64);
+BTRFS_SETGET_FUNCS(inode_flags, struct btrfs_inode_item, flags, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_generation, struct btrfs_inode_item,
+			 generation, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_sequence, struct btrfs_inode_item,
+			 sequence, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_transid, struct btrfs_inode_item,
+			 transid, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_size, struct btrfs_inode_item, size, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_nbytes, struct btrfs_inode_item, nbytes, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_block_group, struct btrfs_inode_item,
+			 block_group, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_nlink, struct btrfs_inode_item, nlink, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_uid, struct btrfs_inode_item, uid, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_gid, struct btrfs_inode_item, gid, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_mode, struct btrfs_inode_item, mode, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_rdev, struct btrfs_inode_item, rdev, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_inode_flags, struct btrfs_inode_item, flags, 64);
+BTRFS_SETGET_FUNCS(timespec_sec, struct btrfs_timespec, sec, 64);
+BTRFS_SETGET_FUNCS(timespec_nsec, struct btrfs_timespec, nsec, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_timespec_sec, struct btrfs_timespec, sec, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_timespec_nsec, struct btrfs_timespec, nsec, 32);
+
+/* struct btrfs_dev_extent */
+BTRFS_SETGET_FUNCS(dev_extent_chunk_tree, struct btrfs_dev_extent, chunk_tree, 64);
+BTRFS_SETGET_FUNCS(dev_extent_chunk_objectid, struct btrfs_dev_extent,
+		   chunk_objectid, 64);
+BTRFS_SETGET_FUNCS(dev_extent_chunk_offset, struct btrfs_dev_extent,
+		   chunk_offset, 64);
+BTRFS_SETGET_FUNCS(dev_extent_length, struct btrfs_dev_extent, length, 64);
+BTRFS_SETGET_FUNCS(extent_refs, struct btrfs_extent_item, refs, 64);
+BTRFS_SETGET_FUNCS(extent_generation, struct btrfs_extent_item, generation, 64);
+BTRFS_SETGET_FUNCS(extent_flags, struct btrfs_extent_item, flags, 64);
+
+BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
+
+static inline void btrfs_tree_block_key(const struct extent_buffer *eb,
+					struct btrfs_tree_block_info *item,
+					struct btrfs_disk_key *key)
+{
+	read_eb_member(eb, item, struct btrfs_tree_block_info, key, key);
+}
+
+static inline void btrfs_set_tree_block_key(const struct extent_buffer *eb,
+					    struct btrfs_tree_block_info *item,
+					    struct btrfs_disk_key *key)
+{
+	write_eb_member(eb, item, struct btrfs_tree_block_info, key, key);
+}
+
+BTRFS_SETGET_FUNCS(extent_data_ref_root, struct btrfs_extent_data_ref, root, 64);
+BTRFS_SETGET_FUNCS(extent_data_ref_objectid, struct btrfs_extent_data_ref,
+		   objectid, 64);
+BTRFS_SETGET_FUNCS(extent_data_ref_offset, struct btrfs_extent_data_ref,
+		   offset, 64);
+BTRFS_SETGET_FUNCS(extent_data_ref_count, struct btrfs_extent_data_ref, count, 32);
+
+BTRFS_SETGET_FUNCS(shared_data_ref_count, struct btrfs_shared_data_ref, count, 32);
+
+BTRFS_SETGET_FUNCS(extent_inline_ref_type, struct btrfs_extent_inline_ref,
+		   type, 8);
+BTRFS_SETGET_FUNCS(extent_inline_ref_offset, struct btrfs_extent_inline_ref,
+		   offset, 64);
+
+static inline u32 btrfs_extent_inline_ref_size(int type)
+{
+	if (type == BTRFS_TREE_BLOCK_REF_KEY ||
+	    type == BTRFS_SHARED_BLOCK_REF_KEY)
+		return sizeof(struct btrfs_extent_inline_ref);
+	if (type == BTRFS_SHARED_DATA_REF_KEY)
+		return sizeof(struct btrfs_shared_data_ref) +
+		       sizeof(struct btrfs_extent_inline_ref);
+	if (type == BTRFS_EXTENT_DATA_REF_KEY)
+		return sizeof(struct btrfs_extent_data_ref) +
+		       offsetof(struct btrfs_extent_inline_ref, offset);
+	return 0;
+}
+
+/* struct btrfs_node */
+BTRFS_SETGET_FUNCS(key_blockptr, struct btrfs_key_ptr, blockptr, 64);
+BTRFS_SETGET_FUNCS(key_generation, struct btrfs_key_ptr, generation, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_key_blockptr, struct btrfs_key_ptr, blockptr, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_key_generation, struct btrfs_key_ptr,
+			 generation, 64);
+
+static inline u64 btrfs_node_blockptr(const struct extent_buffer *eb, int nr)
+{
+	unsigned long ptr;
+
+	ptr = offsetof(struct btrfs_node, ptrs) +
+		sizeof(struct btrfs_key_ptr) * nr;
+	return btrfs_key_blockptr(eb, (struct btrfs_key_ptr *)ptr);
+}
+
+static inline void btrfs_set_node_blockptr(const struct extent_buffer *eb,
+					   int nr, u64 val)
+{
+	unsigned long ptr;
+
+	ptr = offsetof(struct btrfs_node, ptrs) +
+		sizeof(struct btrfs_key_ptr) * nr;
+	btrfs_set_key_blockptr(eb, (struct btrfs_key_ptr *)ptr, val);
+}
+
+static inline u64 btrfs_node_ptr_generation(const struct extent_buffer *eb, int nr)
+{
+	unsigned long ptr;
+
+	ptr = offsetof(struct btrfs_node, ptrs) +
+		sizeof(struct btrfs_key_ptr) * nr;
+	return btrfs_key_generation(eb, (struct btrfs_key_ptr *)ptr);
+}
+
+static inline void btrfs_set_node_ptr_generation(const struct extent_buffer *eb,
+						 int nr, u64 val)
+{
+	unsigned long ptr;
+
+	ptr = offsetof(struct btrfs_node, ptrs) +
+		sizeof(struct btrfs_key_ptr) * nr;
+	btrfs_set_key_generation(eb, (struct btrfs_key_ptr *)ptr, val);
+}
+
+static inline unsigned long btrfs_node_key_ptr_offset(int nr)
+{
+	return offsetof(struct btrfs_node, ptrs) +
+		sizeof(struct btrfs_key_ptr) * nr;
+}
+
+void btrfs_node_key(const struct extent_buffer *eb,
+		    struct btrfs_disk_key *disk_key, int nr);
+
+static inline void btrfs_set_node_key(const struct extent_buffer *eb,
+				      struct btrfs_disk_key *disk_key, int nr)
+{
+	unsigned long ptr;
+
+	ptr = btrfs_node_key_ptr_offset(nr);
+	write_eb_member(eb, (struct btrfs_key_ptr *)ptr,
+		        struct btrfs_key_ptr, key, disk_key);
+}
+
+/* struct btrfs_item */
+BTRFS_SETGET_FUNCS(raw_item_offset, struct btrfs_item, offset, 32);
+BTRFS_SETGET_FUNCS(raw_item_size, struct btrfs_item, size, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_item_offset, struct btrfs_item, offset, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_item_size, struct btrfs_item, size, 32);
+
+static inline unsigned long btrfs_item_nr_offset(int nr)
+{
+	return offsetof(struct btrfs_leaf, items) +
+		sizeof(struct btrfs_item) * nr;
+}
+
+static inline struct btrfs_item *btrfs_item_nr(int nr)
+{
+	return (struct btrfs_item *)btrfs_item_nr_offset(nr);
+}
+
+#define BTRFS_ITEM_SETGET_FUNCS(member)						\
+static inline u32 btrfs_item_##member(const struct extent_buffer *eb, int slot)	\
+{										\
+	return btrfs_raw_item_##member(eb, btrfs_item_nr(slot));		\
+}										\
+static inline void btrfs_set_item_##member(const struct extent_buffer *eb,	\
+					   int slot, u32 val)			\
+{										\
+	btrfs_set_raw_item_##member(eb, btrfs_item_nr(slot), val);		\
+}										\
+static inline u32 btrfs_token_item_##member(struct btrfs_map_token *token,	\
+					    int slot)				\
+{										\
+	struct btrfs_item *item = btrfs_item_nr(slot);				\
+	return btrfs_token_raw_item_##member(token, item);			\
+}										\
+static inline void btrfs_set_token_item_##member(struct btrfs_map_token *token,	\
+						 int slot, u32 val)		\
+{										\
+	struct btrfs_item *item = btrfs_item_nr(slot);				\
+	btrfs_set_token_raw_item_##member(token, item, val);			\
+}
+
+BTRFS_ITEM_SETGET_FUNCS(offset)
+BTRFS_ITEM_SETGET_FUNCS(size);
+
+static inline u32 btrfs_item_data_end(const struct extent_buffer *eb, int nr)
+{
+	return btrfs_item_offset(eb, nr) + btrfs_item_size(eb, nr);
+}
+
+static inline void btrfs_item_key(const struct extent_buffer *eb,
+			   struct btrfs_disk_key *disk_key, int nr)
+{
+	struct btrfs_item *item = btrfs_item_nr(nr);
+
+	read_eb_member(eb, item, struct btrfs_item, key, disk_key);
+}
+
+static inline void btrfs_set_item_key(struct extent_buffer *eb,
+				      struct btrfs_disk_key *disk_key, int nr)
+{
+	struct btrfs_item *item = btrfs_item_nr(nr);
+
+	write_eb_member(eb, item, struct btrfs_item, key, disk_key);
+}
+
+BTRFS_SETGET_FUNCS(dir_log_end, struct btrfs_dir_log_item, end, 64);
+
+/* struct btrfs_root_ref */
+BTRFS_SETGET_FUNCS(root_ref_dirid, struct btrfs_root_ref, dirid, 64);
+BTRFS_SETGET_FUNCS(root_ref_sequence, struct btrfs_root_ref, sequence, 64);
+BTRFS_SETGET_FUNCS(root_ref_name_len, struct btrfs_root_ref, name_len, 16);
+
+/* struct btrfs_dir_item */
+BTRFS_SETGET_FUNCS(dir_data_len, struct btrfs_dir_item, data_len, 16);
+BTRFS_SETGET_FUNCS(dir_type, struct btrfs_dir_item, type, 8);
+BTRFS_SETGET_FUNCS(dir_name_len, struct btrfs_dir_item, name_len, 16);
+BTRFS_SETGET_FUNCS(dir_transid, struct btrfs_dir_item, transid, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dir_type, struct btrfs_dir_item, type, 8);
+BTRFS_SETGET_STACK_FUNCS(stack_dir_data_len, struct btrfs_dir_item, data_len, 16);
+BTRFS_SETGET_STACK_FUNCS(stack_dir_name_len, struct btrfs_dir_item, name_len, 16);
+BTRFS_SETGET_STACK_FUNCS(stack_dir_transid, struct btrfs_dir_item, transid, 64);
+
+static inline void btrfs_dir_item_key(const struct extent_buffer *eb,
+				      const struct btrfs_dir_item *item,
+				      struct btrfs_disk_key *key)
+{
+	read_eb_member(eb, item, struct btrfs_dir_item, location, key);
+}
+
+static inline void btrfs_set_dir_item_key(struct extent_buffer *eb,
+					  struct btrfs_dir_item *item,
+					  const struct btrfs_disk_key *key)
+{
+	write_eb_member(eb, item, struct btrfs_dir_item, location, key);
+}
+
+BTRFS_SETGET_FUNCS(free_space_entries, struct btrfs_free_space_header,
+		   num_entries, 64);
+BTRFS_SETGET_FUNCS(free_space_bitmaps, struct btrfs_free_space_header,
+		   num_bitmaps, 64);
+BTRFS_SETGET_FUNCS(free_space_generation, struct btrfs_free_space_header,
+		   generation, 64);
+
+static inline void btrfs_free_space_key(const struct extent_buffer *eb,
+					const struct btrfs_free_space_header *h,
+					struct btrfs_disk_key *key)
+{
+	read_eb_member(eb, h, struct btrfs_free_space_header, location, key);
+}
+
+static inline void btrfs_set_free_space_key(struct extent_buffer *eb,
+					    struct btrfs_free_space_header *h,
+					    const struct btrfs_disk_key *key)
+{
+	write_eb_member(eb, h, struct btrfs_free_space_header, location, key);
+}
+
+/* struct btrfs_disk_key */
+BTRFS_SETGET_STACK_FUNCS(disk_key_objectid, struct btrfs_disk_key, objectid, 64);
+BTRFS_SETGET_STACK_FUNCS(disk_key_offset, struct btrfs_disk_key, offset, 64);
+BTRFS_SETGET_STACK_FUNCS(disk_key_type, struct btrfs_disk_key, type, 8);
+
+#ifdef __LITTLE_ENDIAN
+
+/*
+ * Optimized helpers for little-endian architectures where CPU and on-disk
+ * structures have the same endianness and we can skip conversions.
+ */
+
+static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu_key,
+					 const struct btrfs_disk_key *disk_key)
+{
+	memcpy(cpu_key, disk_key, sizeof(struct btrfs_key));
+}
+
+static inline void btrfs_cpu_key_to_disk(struct btrfs_disk_key *disk_key,
+					 const struct btrfs_key *cpu_key)
+{
+	memcpy(disk_key, cpu_key, sizeof(struct btrfs_key));
+}
+
+static inline void btrfs_node_key_to_cpu(const struct extent_buffer *eb,
+					 struct btrfs_key *cpu_key, int nr)
+{
+	struct btrfs_disk_key *disk_key = (struct btrfs_disk_key *)cpu_key;
+
+	btrfs_node_key(eb, disk_key, nr);
+}
+
+static inline void btrfs_item_key_to_cpu(const struct extent_buffer *eb,
+					 struct btrfs_key *cpu_key, int nr)
+{
+	struct btrfs_disk_key *disk_key = (struct btrfs_disk_key *)cpu_key;
+
+	btrfs_item_key(eb, disk_key, nr);
+}
+
+static inline void btrfs_dir_item_key_to_cpu(const struct extent_buffer *eb,
+					     const struct btrfs_dir_item *item,
+					     struct btrfs_key *cpu_key)
+{
+	struct btrfs_disk_key *disk_key = (struct btrfs_disk_key *)cpu_key;
+
+	btrfs_dir_item_key(eb, item, disk_key);
+}
+
+#else
+
+static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu,
+					 const struct btrfs_disk_key *disk)
+{
+	cpu->offset = le64_to_cpu(disk->offset);
+	cpu->type = disk->type;
+	cpu->objectid = le64_to_cpu(disk->objectid);
+}
+
+static inline void btrfs_cpu_key_to_disk(struct btrfs_disk_key *disk,
+					 const struct btrfs_key *cpu)
+{
+	disk->offset = cpu_to_le64(cpu->offset);
+	disk->type = cpu->type;
+	disk->objectid = cpu_to_le64(cpu->objectid);
+}
+
+static inline void btrfs_node_key_to_cpu(const struct extent_buffer *eb,
+					 struct btrfs_key *key, int nr)
+{
+	struct btrfs_disk_key disk_key;
+
+	btrfs_node_key(eb, &disk_key, nr);
+	btrfs_disk_key_to_cpu(key, &disk_key);
+}
+
+static inline void btrfs_item_key_to_cpu(const struct extent_buffer *eb,
+					 struct btrfs_key *key, int nr)
+{
+	struct btrfs_disk_key disk_key;
+
+	btrfs_item_key(eb, &disk_key, nr);
+	btrfs_disk_key_to_cpu(key, &disk_key);
+}
+
+static inline void btrfs_dir_item_key_to_cpu(const struct extent_buffer *eb,
+					     const struct btrfs_dir_item *item,
+					     struct btrfs_key *key)
+{
+	struct btrfs_disk_key disk_key;
+
+	btrfs_dir_item_key(eb, item, &disk_key);
+	btrfs_disk_key_to_cpu(key, &disk_key);
+}
+
+#endif
+
+/* struct btrfs_header */
+BTRFS_SETGET_HEADER_FUNCS(header_bytenr, struct btrfs_header, bytenr, 64);
+BTRFS_SETGET_HEADER_FUNCS(header_generation, struct btrfs_header, generation, 64);
+BTRFS_SETGET_HEADER_FUNCS(header_owner, struct btrfs_header, owner, 64);
+BTRFS_SETGET_HEADER_FUNCS(header_nritems, struct btrfs_header, nritems, 32);
+BTRFS_SETGET_HEADER_FUNCS(header_flags, struct btrfs_header, flags, 64);
+BTRFS_SETGET_HEADER_FUNCS(header_level, struct btrfs_header, level, 8);
+BTRFS_SETGET_STACK_FUNCS(stack_header_generation, struct btrfs_header,
+			 generation, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_header_owner, struct btrfs_header, owner, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_header_nritems, struct btrfs_header, nritems, 32);
+BTRFS_SETGET_STACK_FUNCS(stack_header_bytenr, struct btrfs_header, bytenr, 64);
+
+static inline int btrfs_header_flag(const struct extent_buffer *eb, u64 flag)
+{
+	return (btrfs_header_flags(eb) & flag) == flag;
+}
+
+static inline void btrfs_set_header_flag(struct extent_buffer *eb, u64 flag)
+{
+	u64 flags = btrfs_header_flags(eb);
+
+	btrfs_set_header_flags(eb, flags | flag);
+}
+
+static inline void btrfs_clear_header_flag(struct extent_buffer *eb, u64 flag)
+{
+	u64 flags = btrfs_header_flags(eb);
+
+	btrfs_set_header_flags(eb, flags & ~flag);
+}
+
+static inline int btrfs_header_backref_rev(const struct extent_buffer *eb)
+{
+	u64 flags = btrfs_header_flags(eb);
+
+	return flags >> BTRFS_BACKREF_REV_SHIFT;
+}
+
+static inline void btrfs_set_header_backref_rev(struct extent_buffer *eb, int rev)
+{
+	u64 flags = btrfs_header_flags(eb);
+
+	flags &= ~BTRFS_BACKREF_REV_MASK;
+	flags |= (u64)rev << BTRFS_BACKREF_REV_SHIFT;
+	btrfs_set_header_flags(eb, flags);
+}
+
+static inline int btrfs_is_leaf(const struct extent_buffer *eb)
+{
+	return btrfs_header_level(eb) == 0;
+}
+
+/* struct btrfs_root_item */
+BTRFS_SETGET_FUNCS(disk_root_generation, struct btrfs_root_item, generation, 64);
+BTRFS_SETGET_FUNCS(disk_root_refs, struct btrfs_root_item, refs, 32);
+BTRFS_SETGET_FUNCS(disk_root_bytenr, struct btrfs_root_item, bytenr, 64);
+BTRFS_SETGET_FUNCS(disk_root_level, struct btrfs_root_item, level, 8);
+
+BTRFS_SETGET_STACK_FUNCS(root_generation, struct btrfs_root_item, generation, 64);
+BTRFS_SETGET_STACK_FUNCS(root_bytenr, struct btrfs_root_item, bytenr, 64);
+BTRFS_SETGET_STACK_FUNCS(root_drop_level, struct btrfs_root_item, drop_level, 8);
+BTRFS_SETGET_STACK_FUNCS(root_level, struct btrfs_root_item, level, 8);
+BTRFS_SETGET_STACK_FUNCS(root_dirid, struct btrfs_root_item, root_dirid, 64);
+BTRFS_SETGET_STACK_FUNCS(root_refs, struct btrfs_root_item, refs, 32);
+BTRFS_SETGET_STACK_FUNCS(root_flags, struct btrfs_root_item, flags, 64);
+BTRFS_SETGET_STACK_FUNCS(root_used, struct btrfs_root_item, bytes_used, 64);
+BTRFS_SETGET_STACK_FUNCS(root_limit, struct btrfs_root_item, byte_limit, 64);
+BTRFS_SETGET_STACK_FUNCS(root_last_snapshot, struct btrfs_root_item,
+			 last_snapshot, 64);
+BTRFS_SETGET_STACK_FUNCS(root_generation_v2, struct btrfs_root_item,
+			 generation_v2, 64);
+BTRFS_SETGET_STACK_FUNCS(root_ctransid, struct btrfs_root_item, ctransid, 64);
+BTRFS_SETGET_STACK_FUNCS(root_otransid, struct btrfs_root_item, otransid, 64);
+BTRFS_SETGET_STACK_FUNCS(root_stransid, struct btrfs_root_item, stransid, 64);
+BTRFS_SETGET_STACK_FUNCS(root_rtransid, struct btrfs_root_item, rtransid, 64);
+
+static inline bool btrfs_root_readonly(const struct btrfs_root *root)
+{
+	/* Byte-swap the constant at compile time, root_item::flags is LE */
+	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_RDONLY)) != 0;
+}
+
+static inline bool btrfs_root_dead(const struct btrfs_root *root)
+{
+	/* Byte-swap the constant at compile time, root_item::flags is LE */
+	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_DEAD)) != 0;
+}
+
+static inline u64 btrfs_root_id(const struct btrfs_root *root)
+{
+	return root->root_key.objectid;
+}
+
+/* struct btrfs_root_backup */
+BTRFS_SETGET_STACK_FUNCS(backup_tree_root, struct btrfs_root_backup,
+		   tree_root, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_tree_root_gen, struct btrfs_root_backup,
+		   tree_root_gen, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_tree_root_level, struct btrfs_root_backup,
+		   tree_root_level, 8);
+
+BTRFS_SETGET_STACK_FUNCS(backup_chunk_root, struct btrfs_root_backup,
+		   chunk_root, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_chunk_root_gen, struct btrfs_root_backup,
+		   chunk_root_gen, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_chunk_root_level, struct btrfs_root_backup,
+		   chunk_root_level, 8);
+
+BTRFS_SETGET_STACK_FUNCS(backup_extent_root, struct btrfs_root_backup,
+		   extent_root, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_extent_root_gen, struct btrfs_root_backup,
+		   extent_root_gen, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_extent_root_level, struct btrfs_root_backup,
+		   extent_root_level, 8);
+
+BTRFS_SETGET_STACK_FUNCS(backup_fs_root, struct btrfs_root_backup,
+		   fs_root, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_fs_root_gen, struct btrfs_root_backup,
+		   fs_root_gen, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_fs_root_level, struct btrfs_root_backup,
+		   fs_root_level, 8);
+
+BTRFS_SETGET_STACK_FUNCS(backup_dev_root, struct btrfs_root_backup,
+		   dev_root, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_dev_root_gen, struct btrfs_root_backup,
+		   dev_root_gen, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_dev_root_level, struct btrfs_root_backup,
+		   dev_root_level, 8);
+
+BTRFS_SETGET_STACK_FUNCS(backup_csum_root, struct btrfs_root_backup,
+		   csum_root, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_csum_root_gen, struct btrfs_root_backup,
+		   csum_root_gen, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_csum_root_level, struct btrfs_root_backup,
+		   csum_root_level, 8);
+BTRFS_SETGET_STACK_FUNCS(backup_total_bytes, struct btrfs_root_backup,
+		   total_bytes, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_bytes_used, struct btrfs_root_backup,
+		   bytes_used, 64);
+BTRFS_SETGET_STACK_FUNCS(backup_num_devices, struct btrfs_root_backup,
+		   num_devices, 64);
+
+/* struct btrfs_balance_item */
+BTRFS_SETGET_FUNCS(balance_flags, struct btrfs_balance_item, flags, 64);
+
+static inline void btrfs_balance_data(const struct extent_buffer *eb,
+				      const struct btrfs_balance_item *bi,
+				      struct btrfs_disk_balance_args *ba)
+{
+	read_eb_member(eb, bi, struct btrfs_balance_item, data, ba);
+}
+
+static inline void btrfs_set_balance_data(struct extent_buffer *eb,
+					  struct btrfs_balance_item *bi,
+					  const struct btrfs_disk_balance_args *ba)
+{
+	write_eb_member(eb, bi, struct btrfs_balance_item, data, ba);
+}
+
+static inline void btrfs_balance_meta(const struct extent_buffer *eb,
+				      const struct btrfs_balance_item *bi,
+				      struct btrfs_disk_balance_args *ba)
+{
+	read_eb_member(eb, bi, struct btrfs_balance_item, meta, ba);
+}
+
+static inline void btrfs_set_balance_meta(struct extent_buffer *eb,
+					  struct btrfs_balance_item *bi,
+					  const struct btrfs_disk_balance_args *ba)
+{
+	write_eb_member(eb, bi, struct btrfs_balance_item, meta, ba);
+}
+
+static inline void btrfs_balance_sys(const struct extent_buffer *eb,
+				     const struct btrfs_balance_item *bi,
+				     struct btrfs_disk_balance_args *ba)
+{
+	read_eb_member(eb, bi, struct btrfs_balance_item, sys, ba);
+}
+
+static inline void btrfs_set_balance_sys(struct extent_buffer *eb,
+					 struct btrfs_balance_item *bi,
+					 const struct btrfs_disk_balance_args *ba)
+{
+	write_eb_member(eb, bi, struct btrfs_balance_item, sys, ba);
+}
+
+static inline void btrfs_disk_balance_args_to_cpu(struct btrfs_balance_args *cpu,
+			       const struct btrfs_disk_balance_args *disk)
+{
+	memset(cpu, 0, sizeof(*cpu));
+
+	cpu->profiles = le64_to_cpu(disk->profiles);
+	cpu->usage = le64_to_cpu(disk->usage);
+	cpu->devid = le64_to_cpu(disk->devid);
+	cpu->pstart = le64_to_cpu(disk->pstart);
+	cpu->pend = le64_to_cpu(disk->pend);
+	cpu->vstart = le64_to_cpu(disk->vstart);
+	cpu->vend = le64_to_cpu(disk->vend);
+	cpu->target = le64_to_cpu(disk->target);
+	cpu->flags = le64_to_cpu(disk->flags);
+	cpu->limit = le64_to_cpu(disk->limit);
+	cpu->stripes_min = le32_to_cpu(disk->stripes_min);
+	cpu->stripes_max = le32_to_cpu(disk->stripes_max);
+}
+
+static inline void btrfs_cpu_balance_args_to_disk(
+				struct btrfs_disk_balance_args *disk,
+				const struct btrfs_balance_args *cpu)
+{
+	memset(disk, 0, sizeof(*disk));
+
+	disk->profiles = cpu_to_le64(cpu->profiles);
+	disk->usage = cpu_to_le64(cpu->usage);
+	disk->devid = cpu_to_le64(cpu->devid);
+	disk->pstart = cpu_to_le64(cpu->pstart);
+	disk->pend = cpu_to_le64(cpu->pend);
+	disk->vstart = cpu_to_le64(cpu->vstart);
+	disk->vend = cpu_to_le64(cpu->vend);
+	disk->target = cpu_to_le64(cpu->target);
+	disk->flags = cpu_to_le64(cpu->flags);
+	disk->limit = cpu_to_le64(cpu->limit);
+	disk->stripes_min = cpu_to_le32(cpu->stripes_min);
+	disk->stripes_max = cpu_to_le32(cpu->stripes_max);
+}
+
+/* struct btrfs_super_block */
+BTRFS_SETGET_STACK_FUNCS(super_bytenr, struct btrfs_super_block, bytenr, 64);
+BTRFS_SETGET_STACK_FUNCS(super_flags, struct btrfs_super_block, flags, 64);
+BTRFS_SETGET_STACK_FUNCS(super_generation, struct btrfs_super_block,
+			 generation, 64);
+BTRFS_SETGET_STACK_FUNCS(super_root, struct btrfs_super_block, root, 64);
+BTRFS_SETGET_STACK_FUNCS(super_sys_array_size,
+			 struct btrfs_super_block, sys_chunk_array_size, 32);
+BTRFS_SETGET_STACK_FUNCS(super_chunk_root_generation,
+			 struct btrfs_super_block, chunk_root_generation, 64);
+BTRFS_SETGET_STACK_FUNCS(super_root_level, struct btrfs_super_block,
+			 root_level, 8);
+BTRFS_SETGET_STACK_FUNCS(super_chunk_root, struct btrfs_super_block,
+			 chunk_root, 64);
+BTRFS_SETGET_STACK_FUNCS(super_chunk_root_level, struct btrfs_super_block,
+			 chunk_root_level, 8);
+BTRFS_SETGET_STACK_FUNCS(super_log_root, struct btrfs_super_block, log_root, 64);
+BTRFS_SETGET_STACK_FUNCS(super_log_root_level, struct btrfs_super_block,
+			 log_root_level, 8);
+BTRFS_SETGET_STACK_FUNCS(super_total_bytes, struct btrfs_super_block,
+			 total_bytes, 64);
+BTRFS_SETGET_STACK_FUNCS(super_bytes_used, struct btrfs_super_block,
+			 bytes_used, 64);
+BTRFS_SETGET_STACK_FUNCS(super_sectorsize, struct btrfs_super_block,
+			 sectorsize, 32);
+BTRFS_SETGET_STACK_FUNCS(super_nodesize, struct btrfs_super_block,
+			 nodesize, 32);
+BTRFS_SETGET_STACK_FUNCS(super_stripesize, struct btrfs_super_block,
+			 stripesize, 32);
+BTRFS_SETGET_STACK_FUNCS(super_root_dir, struct btrfs_super_block,
+			 root_dir_objectid, 64);
+BTRFS_SETGET_STACK_FUNCS(super_num_devices, struct btrfs_super_block,
+			 num_devices, 64);
+BTRFS_SETGET_STACK_FUNCS(super_compat_flags, struct btrfs_super_block,
+			 compat_flags, 64);
+BTRFS_SETGET_STACK_FUNCS(super_compat_ro_flags, struct btrfs_super_block,
+			 compat_ro_flags, 64);
+BTRFS_SETGET_STACK_FUNCS(super_incompat_flags, struct btrfs_super_block,
+			 incompat_flags, 64);
+BTRFS_SETGET_STACK_FUNCS(super_csum_type, struct btrfs_super_block,
+			 csum_type, 16);
+BTRFS_SETGET_STACK_FUNCS(super_cache_generation, struct btrfs_super_block,
+			 cache_generation, 64);
+BTRFS_SETGET_STACK_FUNCS(super_magic, struct btrfs_super_block, magic, 64);
+BTRFS_SETGET_STACK_FUNCS(super_uuid_tree_generation, struct btrfs_super_block,
+			 uuid_tree_generation, 64);
+
+int btrfs_super_csum_size(const struct btrfs_super_block *s);
+const char *btrfs_super_csum_name(u16 csum_type);
+const char *btrfs_super_csum_driver(u16 csum_type);
+size_t __attribute_const__ btrfs_get_num_csums(void);
+
+/*
+ * The leaf data grows from end-to-front in the node.  this returns the address
+ * of the start of the last item, which is the stop of the leaf data stack.
+ */
+static inline unsigned int leaf_data_end(const struct extent_buffer *leaf)
+{
+	u32 nr = btrfs_header_nritems(leaf);
+
+	if (nr == 0)
+		return BTRFS_LEAF_DATA_SIZE(leaf->fs_info);
+	return btrfs_item_offset(leaf, nr - 1);
+}
+
+/* struct btrfs_file_extent_item */
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_type, struct btrfs_file_extent_item,
+			 type, 8);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_bytenr,
+			 struct btrfs_file_extent_item, disk_bytenr, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_offset,
+			 struct btrfs_file_extent_item, offset, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_generation,
+			 struct btrfs_file_extent_item, generation, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_num_bytes,
+			 struct btrfs_file_extent_item, num_bytes, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_ram_bytes,
+			 struct btrfs_file_extent_item, ram_bytes, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_num_bytes,
+			 struct btrfs_file_extent_item, disk_num_bytes, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_file_extent_compression,
+			 struct btrfs_file_extent_item, compression, 8);
+
+static inline unsigned long btrfs_file_extent_inline_start(
+				const struct btrfs_file_extent_item *e)
+{
+	return (unsigned long)e + BTRFS_FILE_EXTENT_INLINE_DATA_START;
+}
+
+static inline u32 btrfs_file_extent_calc_inline_size(u32 datasize)
+{
+	return BTRFS_FILE_EXTENT_INLINE_DATA_START + datasize;
+}
+
+BTRFS_SETGET_FUNCS(file_extent_type, struct btrfs_file_extent_item, type, 8);
+BTRFS_SETGET_FUNCS(file_extent_disk_bytenr, struct btrfs_file_extent_item,
+		   disk_bytenr, 64);
+BTRFS_SETGET_FUNCS(file_extent_generation, struct btrfs_file_extent_item,
+		   generation, 64);
+BTRFS_SETGET_FUNCS(file_extent_disk_num_bytes, struct btrfs_file_extent_item,
+		   disk_num_bytes, 64);
+BTRFS_SETGET_FUNCS(file_extent_offset, struct btrfs_file_extent_item,
+		  offset, 64);
+BTRFS_SETGET_FUNCS(file_extent_num_bytes, struct btrfs_file_extent_item,
+		   num_bytes, 64);
+BTRFS_SETGET_FUNCS(file_extent_ram_bytes, struct btrfs_file_extent_item,
+		   ram_bytes, 64);
+BTRFS_SETGET_FUNCS(file_extent_compression, struct btrfs_file_extent_item,
+		   compression, 8);
+BTRFS_SETGET_FUNCS(file_extent_encryption, struct btrfs_file_extent_item,
+		   encryption, 8);
+BTRFS_SETGET_FUNCS(file_extent_other_encoding, struct btrfs_file_extent_item,
+		   other_encoding, 16);
+
+/*
+ * Returns the number of bytes used by the item on disk, minus the size of any
+ * extent headers.  If a file is compressed on disk, this is the compressed
+ * size.
+ */
+static inline u32 btrfs_file_extent_inline_item_len(
+						const struct extent_buffer *eb,
+						int nr)
+{
+	return btrfs_item_size(eb, nr) - BTRFS_FILE_EXTENT_INLINE_DATA_START;
+}
+
+/* btrfs_qgroup_status_item */
+BTRFS_SETGET_FUNCS(qgroup_status_generation, struct btrfs_qgroup_status_item,
+		   generation, 64);
+BTRFS_SETGET_FUNCS(qgroup_status_version, struct btrfs_qgroup_status_item,
+		   version, 64);
+BTRFS_SETGET_FUNCS(qgroup_status_flags, struct btrfs_qgroup_status_item,
+		   flags, 64);
+BTRFS_SETGET_FUNCS(qgroup_status_rescan, struct btrfs_qgroup_status_item,
+		   rescan, 64);
+
+/* btrfs_qgroup_info_item */
+BTRFS_SETGET_FUNCS(qgroup_info_generation, struct btrfs_qgroup_info_item,
+		   generation, 64);
+BTRFS_SETGET_FUNCS(qgroup_info_rfer, struct btrfs_qgroup_info_item, rfer, 64);
+BTRFS_SETGET_FUNCS(qgroup_info_rfer_cmpr, struct btrfs_qgroup_info_item,
+		   rfer_cmpr, 64);
+BTRFS_SETGET_FUNCS(qgroup_info_excl, struct btrfs_qgroup_info_item, excl, 64);
+BTRFS_SETGET_FUNCS(qgroup_info_excl_cmpr, struct btrfs_qgroup_info_item,
+		   excl_cmpr, 64);
+
+BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_generation,
+			 struct btrfs_qgroup_info_item, generation, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_rfer, struct btrfs_qgroup_info_item,
+			 rfer, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_rfer_cmpr,
+			 struct btrfs_qgroup_info_item, rfer_cmpr, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_excl, struct btrfs_qgroup_info_item,
+			 excl, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_excl_cmpr,
+			 struct btrfs_qgroup_info_item, excl_cmpr, 64);
+
+/* btrfs_qgroup_limit_item */
+BTRFS_SETGET_FUNCS(qgroup_limit_flags, struct btrfs_qgroup_limit_item, flags, 64);
+BTRFS_SETGET_FUNCS(qgroup_limit_max_rfer, struct btrfs_qgroup_limit_item,
+		   max_rfer, 64);
+BTRFS_SETGET_FUNCS(qgroup_limit_max_excl, struct btrfs_qgroup_limit_item,
+		   max_excl, 64);
+BTRFS_SETGET_FUNCS(qgroup_limit_rsv_rfer, struct btrfs_qgroup_limit_item,
+		   rsv_rfer, 64);
+BTRFS_SETGET_FUNCS(qgroup_limit_rsv_excl, struct btrfs_qgroup_limit_item,
+		   rsv_excl, 64);
+
+/* btrfs_dev_replace_item */
+BTRFS_SETGET_FUNCS(dev_replace_src_devid,
+		   struct btrfs_dev_replace_item, src_devid, 64);
+BTRFS_SETGET_FUNCS(dev_replace_cont_reading_from_srcdev_mode,
+		   struct btrfs_dev_replace_item, cont_reading_from_srcdev_mode,
+		   64);
+BTRFS_SETGET_FUNCS(dev_replace_replace_state, struct btrfs_dev_replace_item,
+		   replace_state, 64);
+BTRFS_SETGET_FUNCS(dev_replace_time_started, struct btrfs_dev_replace_item,
+		   time_started, 64);
+BTRFS_SETGET_FUNCS(dev_replace_time_stopped, struct btrfs_dev_replace_item,
+		   time_stopped, 64);
+BTRFS_SETGET_FUNCS(dev_replace_num_write_errors, struct btrfs_dev_replace_item,
+		   num_write_errors, 64);
+BTRFS_SETGET_FUNCS(dev_replace_num_uncorrectable_read_errors,
+		   struct btrfs_dev_replace_item, num_uncorrectable_read_errors,
+		   64);
+BTRFS_SETGET_FUNCS(dev_replace_cursor_left, struct btrfs_dev_replace_item,
+		   cursor_left, 64);
+BTRFS_SETGET_FUNCS(dev_replace_cursor_right, struct btrfs_dev_replace_item,
+		   cursor_right, 64);
+
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_src_devid,
+			 struct btrfs_dev_replace_item, src_devid, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_cont_reading_from_srcdev_mode,
+			 struct btrfs_dev_replace_item,
+			 cont_reading_from_srcdev_mode, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_replace_state,
+			 struct btrfs_dev_replace_item, replace_state, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_time_started,
+			 struct btrfs_dev_replace_item, time_started, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_time_stopped,
+			 struct btrfs_dev_replace_item, time_stopped, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_num_write_errors,
+			 struct btrfs_dev_replace_item, num_write_errors, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_num_uncorrectable_read_errors,
+			 struct btrfs_dev_replace_item,
+			 num_uncorrectable_read_errors, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_cursor_left,
+			 struct btrfs_dev_replace_item, cursor_left, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_cursor_right,
+			 struct btrfs_dev_replace_item, cursor_right, 64);
+
+/* btrfs_verity_descriptor_item */
+BTRFS_SETGET_FUNCS(verity_descriptor_encryption, struct btrfs_verity_descriptor_item,
+		   encryption, 8);
+BTRFS_SETGET_FUNCS(verity_descriptor_size, struct btrfs_verity_descriptor_item,
+		   size, 64);
+BTRFS_SETGET_STACK_FUNCS(stack_verity_descriptor_encryption,
+			 struct btrfs_verity_descriptor_item, encryption, 8);
+BTRFS_SETGET_STACK_FUNCS(stack_verity_descriptor_size,
+			 struct btrfs_verity_descriptor_item, size, 64);
+
+/* Cast into the data area of the leaf. */
+#define btrfs_item_ptr(leaf, slot, type)				\
+	((type *)(BTRFS_LEAF_DATA_OFFSET + btrfs_item_offset(leaf, slot)))
+
+#define btrfs_item_ptr_offset(leaf, slot)				\
+	((unsigned long)(BTRFS_LEAF_DATA_OFFSET + btrfs_item_offset(leaf, slot)))
+
 #endif
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index f76db317c437..41caa6fc6301 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -16,6 +16,7 @@
 #include "misc.h"
 #include "tree-mod-log.h"
 #include "fs.h"
+#include "accessors.h"
 
 /* Just arbitrary numbers so we can be sure one of these happened. */
 #define BACKREF_FOUND_SHARED     6
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index bf8d1e110136..d1f8d792b184 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -18,6 +18,7 @@
 #include "raid56.h"
 #include "zoned.h"
 #include "fs.h"
+#include "accessors.h"
 
 #ifdef CONFIG_BTRFS_DEBUG
 int btrfs_should_fragment_free_space(struct btrfs_block_group *block_group)
diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c
index a48fa7ac74cc..069ea9d6a8d4 100644
--- a/fs/btrfs/block-rsv.c
+++ b/fs/btrfs/block-rsv.c
@@ -8,6 +8,7 @@
 #include "block-group.h"
 #include "disk-io.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * HOW DO BLOCK RESERVES WORK
diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index e8e1a92b30ac..7ff0703ef3e4 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -93,6 +93,7 @@
 #include "check-integrity.h"
 #include "rcu-string.h"
 #include "compression.h"
+#include "accessors.h"
 
 #define BTRFSIC_BLOCK_HASHTABLE_SIZE 0x10000
 #define BTRFSIC_BLOCK_LINK_HASHTABLE_SIZE 0x10000
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 296ca4de8d52..20034c23abb2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1176,8 +1176,6 @@ static inline u32 BTRFS_LEAF_DATA_SIZE(const struct btrfs_fs_info *info)
 	return info->nodesize - sizeof(struct btrfs_header);
 }
 
-#define BTRFS_LEAF_DATA_OFFSET		offsetof(struct btrfs_leaf, items)
-
 static inline u32 BTRFS_MAX_ITEM_SIZE(const struct btrfs_fs_info *info)
 {
 	return BTRFS_LEAF_DATA_SIZE(info) - sizeof(struct btrfs_item);
@@ -1204,1094 +1202,6 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info)
 #define BTRFS_BYTES_TO_BLKS(fs_info, bytes) \
 				((bytes) >> (fs_info)->sectorsize_bits)
 
-/* some macros to generate set/get functions for the struct fields.  This
- * assumes there is a lefoo_to_cpu for every type, so lets make a simple
- * one for u8:
- */
-#define le8_to_cpu(v) (v)
-#define cpu_to_le8(v) (v)
-#define __le8 u8
-
-static inline u8 get_unaligned_le8(const void *p)
-{
-       return *(u8 *)p;
-}
-
-static inline void put_unaligned_le8(u8 val, void *p)
-{
-       *(u8 *)p = val;
-}
-
-#define read_eb_member(eb, ptr, type, member, result) (\
-	read_extent_buffer(eb, (char *)(result),			\
-			   ((unsigned long)(ptr)) +			\
-			    offsetof(type, member),			\
-			   sizeof(((type *)0)->member)))
-
-#define write_eb_member(eb, ptr, type, member, result) (\
-	write_extent_buffer(eb, (char *)(result),			\
-			   ((unsigned long)(ptr)) +			\
-			    offsetof(type, member),			\
-			   sizeof(((type *)0)->member)))
-
-#define DECLARE_BTRFS_SETGET_BITS(bits)					\
-u##bits btrfs_get_token_##bits(struct btrfs_map_token *token,		\
-			       const void *ptr, unsigned long off);	\
-void btrfs_set_token_##bits(struct btrfs_map_token *token,		\
-			    const void *ptr, unsigned long off,		\
-			    u##bits val);				\
-u##bits btrfs_get_##bits(const struct extent_buffer *eb,		\
-			 const void *ptr, unsigned long off);		\
-void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr,	\
-		      unsigned long off, u##bits val);
-
-DECLARE_BTRFS_SETGET_BITS(8)
-DECLARE_BTRFS_SETGET_BITS(16)
-DECLARE_BTRFS_SETGET_BITS(32)
-DECLARE_BTRFS_SETGET_BITS(64)
-
-#define BTRFS_SETGET_FUNCS(name, type, member, bits)			\
-static inline u##bits btrfs_##name(const struct extent_buffer *eb,	\
-				   const type *s)			\
-{									\
-	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
-	return btrfs_get_##bits(eb, s, offsetof(type, member));		\
-}									\
-static inline void btrfs_set_##name(const struct extent_buffer *eb, type *s, \
-				    u##bits val)			\
-{									\
-	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
-	btrfs_set_##bits(eb, s, offsetof(type, member), val);		\
-}									\
-static inline u##bits btrfs_token_##name(struct btrfs_map_token *token,	\
-					 const type *s)			\
-{									\
-	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
-	return btrfs_get_token_##bits(token, s, offsetof(type, member));\
-}									\
-static inline void btrfs_set_token_##name(struct btrfs_map_token *token,\
-					  type *s, u##bits val)		\
-{									\
-	static_assert(sizeof(u##bits) == sizeof(((type *)0))->member);	\
-	btrfs_set_token_##bits(token, s, offsetof(type, member), val);	\
-}
-
-#define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits)		\
-static inline u##bits btrfs_##name(const struct extent_buffer *eb)	\
-{									\
-	const type *p = page_address(eb->pages[0]) +			\
-			offset_in_page(eb->start);			\
-	return get_unaligned_le##bits(&p->member);			\
-}									\
-static inline void btrfs_set_##name(const struct extent_buffer *eb,	\
-				    u##bits val)			\
-{									\
-	type *p = page_address(eb->pages[0]) + offset_in_page(eb->start); \
-	put_unaligned_le##bits(val, &p->member);			\
-}
-
-#define BTRFS_SETGET_STACK_FUNCS(name, type, member, bits)		\
-static inline u##bits btrfs_##name(const type *s)			\
-{									\
-	return get_unaligned_le##bits(&s->member);			\
-}									\
-static inline void btrfs_set_##name(type *s, u##bits val)		\
-{									\
-	put_unaligned_le##bits(val, &s->member);			\
-}
-
-static inline u64 btrfs_device_total_bytes(const struct extent_buffer *eb,
-					   struct btrfs_dev_item *s)
-{
-	static_assert(sizeof(u64) ==
-		      sizeof(((struct btrfs_dev_item *)0))->total_bytes);
-	return btrfs_get_64(eb, s, offsetof(struct btrfs_dev_item,
-					    total_bytes));
-}
-static inline void btrfs_set_device_total_bytes(const struct extent_buffer *eb,
-						struct btrfs_dev_item *s,
-						u64 val)
-{
-	static_assert(sizeof(u64) ==
-		      sizeof(((struct btrfs_dev_item *)0))->total_bytes);
-	WARN_ON(!IS_ALIGNED(val, eb->fs_info->sectorsize));
-	btrfs_set_64(eb, s, offsetof(struct btrfs_dev_item, total_bytes), val);
-}
-
-
-BTRFS_SETGET_FUNCS(device_type, struct btrfs_dev_item, type, 64);
-BTRFS_SETGET_FUNCS(device_bytes_used, struct btrfs_dev_item, bytes_used, 64);
-BTRFS_SETGET_FUNCS(device_io_align, struct btrfs_dev_item, io_align, 32);
-BTRFS_SETGET_FUNCS(device_io_width, struct btrfs_dev_item, io_width, 32);
-BTRFS_SETGET_FUNCS(device_start_offset, struct btrfs_dev_item,
-		   start_offset, 64);
-BTRFS_SETGET_FUNCS(device_sector_size, struct btrfs_dev_item, sector_size, 32);
-BTRFS_SETGET_FUNCS(device_id, struct btrfs_dev_item, devid, 64);
-BTRFS_SETGET_FUNCS(device_group, struct btrfs_dev_item, dev_group, 32);
-BTRFS_SETGET_FUNCS(device_seek_speed, struct btrfs_dev_item, seek_speed, 8);
-BTRFS_SETGET_FUNCS(device_bandwidth, struct btrfs_dev_item, bandwidth, 8);
-BTRFS_SETGET_FUNCS(device_generation, struct btrfs_dev_item, generation, 64);
-
-BTRFS_SETGET_STACK_FUNCS(stack_device_type, struct btrfs_dev_item, type, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_device_total_bytes, struct btrfs_dev_item,
-			 total_bytes, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_device_bytes_used, struct btrfs_dev_item,
-			 bytes_used, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_device_io_align, struct btrfs_dev_item,
-			 io_align, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_device_io_width, struct btrfs_dev_item,
-			 io_width, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_device_sector_size, struct btrfs_dev_item,
-			 sector_size, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_device_id, struct btrfs_dev_item, devid, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_device_group, struct btrfs_dev_item,
-			 dev_group, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_device_seek_speed, struct btrfs_dev_item,
-			 seek_speed, 8);
-BTRFS_SETGET_STACK_FUNCS(stack_device_bandwidth, struct btrfs_dev_item,
-			 bandwidth, 8);
-BTRFS_SETGET_STACK_FUNCS(stack_device_generation, struct btrfs_dev_item,
-			 generation, 64);
-
-static inline unsigned long btrfs_device_uuid(struct btrfs_dev_item *d)
-{
-	return (unsigned long)d + offsetof(struct btrfs_dev_item, uuid);
-}
-
-static inline unsigned long btrfs_device_fsid(struct btrfs_dev_item *d)
-{
-	return (unsigned long)d + offsetof(struct btrfs_dev_item, fsid);
-}
-
-BTRFS_SETGET_FUNCS(chunk_length, struct btrfs_chunk, length, 64);
-BTRFS_SETGET_FUNCS(chunk_owner, struct btrfs_chunk, owner, 64);
-BTRFS_SETGET_FUNCS(chunk_stripe_len, struct btrfs_chunk, stripe_len, 64);
-BTRFS_SETGET_FUNCS(chunk_io_align, struct btrfs_chunk, io_align, 32);
-BTRFS_SETGET_FUNCS(chunk_io_width, struct btrfs_chunk, io_width, 32);
-BTRFS_SETGET_FUNCS(chunk_sector_size, struct btrfs_chunk, sector_size, 32);
-BTRFS_SETGET_FUNCS(chunk_type, struct btrfs_chunk, type, 64);
-BTRFS_SETGET_FUNCS(chunk_num_stripes, struct btrfs_chunk, num_stripes, 16);
-BTRFS_SETGET_FUNCS(chunk_sub_stripes, struct btrfs_chunk, sub_stripes, 16);
-BTRFS_SETGET_FUNCS(stripe_devid, struct btrfs_stripe, devid, 64);
-BTRFS_SETGET_FUNCS(stripe_offset, struct btrfs_stripe, offset, 64);
-
-static inline char *btrfs_stripe_dev_uuid(struct btrfs_stripe *s)
-{
-	return (char *)s + offsetof(struct btrfs_stripe, dev_uuid);
-}
-
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_length, struct btrfs_chunk, length, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_owner, struct btrfs_chunk, owner, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_stripe_len, struct btrfs_chunk,
-			 stripe_len, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_align, struct btrfs_chunk,
-			 io_align, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_io_width, struct btrfs_chunk,
-			 io_width, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_sector_size, struct btrfs_chunk,
-			 sector_size, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_type, struct btrfs_chunk, type, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_num_stripes, struct btrfs_chunk,
-			 num_stripes, 16);
-BTRFS_SETGET_STACK_FUNCS(stack_chunk_sub_stripes, struct btrfs_chunk,
-			 sub_stripes, 16);
-BTRFS_SETGET_STACK_FUNCS(stack_stripe_devid, struct btrfs_stripe, devid, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_stripe_offset, struct btrfs_stripe, offset, 64);
-
-static inline struct btrfs_stripe *btrfs_stripe_nr(struct btrfs_chunk *c,
-						   int nr)
-{
-	unsigned long offset = (unsigned long)c;
-	offset += offsetof(struct btrfs_chunk, stripe);
-	offset += nr * sizeof(struct btrfs_stripe);
-	return (struct btrfs_stripe *)offset;
-}
-
-static inline char *btrfs_stripe_dev_uuid_nr(struct btrfs_chunk *c, int nr)
-{
-	return btrfs_stripe_dev_uuid(btrfs_stripe_nr(c, nr));
-}
-
-static inline u64 btrfs_stripe_offset_nr(const struct extent_buffer *eb,
-					 struct btrfs_chunk *c, int nr)
-{
-	return btrfs_stripe_offset(eb, btrfs_stripe_nr(c, nr));
-}
-
-static inline u64 btrfs_stripe_devid_nr(const struct extent_buffer *eb,
-					 struct btrfs_chunk *c, int nr)
-{
-	return btrfs_stripe_devid(eb, btrfs_stripe_nr(c, nr));
-}
-
-/* struct btrfs_block_group_item */
-BTRFS_SETGET_STACK_FUNCS(stack_block_group_used, struct btrfs_block_group_item,
-			 used, 64);
-BTRFS_SETGET_FUNCS(block_group_used, struct btrfs_block_group_item,
-			 used, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_block_group_chunk_objectid,
-			struct btrfs_block_group_item, chunk_objectid, 64);
-
-BTRFS_SETGET_FUNCS(block_group_chunk_objectid,
-		   struct btrfs_block_group_item, chunk_objectid, 64);
-BTRFS_SETGET_FUNCS(block_group_flags,
-		   struct btrfs_block_group_item, flags, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_block_group_flags,
-			struct btrfs_block_group_item, flags, 64);
-
-/* struct btrfs_free_space_info */
-BTRFS_SETGET_FUNCS(free_space_extent_count, struct btrfs_free_space_info,
-		   extent_count, 32);
-BTRFS_SETGET_FUNCS(free_space_flags, struct btrfs_free_space_info, flags, 32);
-
-/* struct btrfs_inode_ref */
-BTRFS_SETGET_FUNCS(inode_ref_name_len, struct btrfs_inode_ref, name_len, 16);
-BTRFS_SETGET_FUNCS(inode_ref_index, struct btrfs_inode_ref, index, 64);
-
-/* struct btrfs_inode_extref */
-BTRFS_SETGET_FUNCS(inode_extref_parent, struct btrfs_inode_extref,
-		   parent_objectid, 64);
-BTRFS_SETGET_FUNCS(inode_extref_name_len, struct btrfs_inode_extref,
-		   name_len, 16);
-BTRFS_SETGET_FUNCS(inode_extref_index, struct btrfs_inode_extref, index, 64);
-
-/* struct btrfs_inode_item */
-BTRFS_SETGET_FUNCS(inode_generation, struct btrfs_inode_item, generation, 64);
-BTRFS_SETGET_FUNCS(inode_sequence, struct btrfs_inode_item, sequence, 64);
-BTRFS_SETGET_FUNCS(inode_transid, struct btrfs_inode_item, transid, 64);
-BTRFS_SETGET_FUNCS(inode_size, struct btrfs_inode_item, size, 64);
-BTRFS_SETGET_FUNCS(inode_nbytes, struct btrfs_inode_item, nbytes, 64);
-BTRFS_SETGET_FUNCS(inode_block_group, struct btrfs_inode_item, block_group, 64);
-BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
-BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
-BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
-BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
-BTRFS_SETGET_FUNCS(inode_rdev, struct btrfs_inode_item, rdev, 64);
-BTRFS_SETGET_FUNCS(inode_flags, struct btrfs_inode_item, flags, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_generation, struct btrfs_inode_item,
-			 generation, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_sequence, struct btrfs_inode_item,
-			 sequence, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_transid, struct btrfs_inode_item,
-			 transid, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_size, struct btrfs_inode_item, size, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_nbytes, struct btrfs_inode_item,
-			 nbytes, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_block_group, struct btrfs_inode_item,
-			 block_group, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_nlink, struct btrfs_inode_item, nlink, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_uid, struct btrfs_inode_item, uid, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_gid, struct btrfs_inode_item, gid, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_mode, struct btrfs_inode_item, mode, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_rdev, struct btrfs_inode_item, rdev, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_inode_flags, struct btrfs_inode_item, flags, 64);
-BTRFS_SETGET_FUNCS(timespec_sec, struct btrfs_timespec, sec, 64);
-BTRFS_SETGET_FUNCS(timespec_nsec, struct btrfs_timespec, nsec, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_timespec_sec, struct btrfs_timespec, sec, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_timespec_nsec, struct btrfs_timespec, nsec, 32);
-
-/* struct btrfs_dev_extent */
-BTRFS_SETGET_FUNCS(dev_extent_chunk_tree, struct btrfs_dev_extent,
-		   chunk_tree, 64);
-BTRFS_SETGET_FUNCS(dev_extent_chunk_objectid, struct btrfs_dev_extent,
-		   chunk_objectid, 64);
-BTRFS_SETGET_FUNCS(dev_extent_chunk_offset, struct btrfs_dev_extent,
-		   chunk_offset, 64);
-BTRFS_SETGET_FUNCS(dev_extent_length, struct btrfs_dev_extent, length, 64);
-BTRFS_SETGET_FUNCS(extent_refs, struct btrfs_extent_item, refs, 64);
-BTRFS_SETGET_FUNCS(extent_generation, struct btrfs_extent_item,
-		   generation, 64);
-BTRFS_SETGET_FUNCS(extent_flags, struct btrfs_extent_item, flags, 64);
-
-BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
-
-static inline void btrfs_tree_block_key(const struct extent_buffer *eb,
-					struct btrfs_tree_block_info *item,
-					struct btrfs_disk_key *key)
-{
-	read_eb_member(eb, item, struct btrfs_tree_block_info, key, key);
-}
-
-static inline void btrfs_set_tree_block_key(const struct extent_buffer *eb,
-					    struct btrfs_tree_block_info *item,
-					    struct btrfs_disk_key *key)
-{
-	write_eb_member(eb, item, struct btrfs_tree_block_info, key, key);
-}
-
-BTRFS_SETGET_FUNCS(extent_data_ref_root, struct btrfs_extent_data_ref,
-		   root, 64);
-BTRFS_SETGET_FUNCS(extent_data_ref_objectid, struct btrfs_extent_data_ref,
-		   objectid, 64);
-BTRFS_SETGET_FUNCS(extent_data_ref_offset, struct btrfs_extent_data_ref,
-		   offset, 64);
-BTRFS_SETGET_FUNCS(extent_data_ref_count, struct btrfs_extent_data_ref,
-		   count, 32);
-
-BTRFS_SETGET_FUNCS(shared_data_ref_count, struct btrfs_shared_data_ref,
-		   count, 32);
-
-BTRFS_SETGET_FUNCS(extent_inline_ref_type, struct btrfs_extent_inline_ref,
-		   type, 8);
-BTRFS_SETGET_FUNCS(extent_inline_ref_offset, struct btrfs_extent_inline_ref,
-		   offset, 64);
-
-static inline u32 btrfs_extent_inline_ref_size(int type)
-{
-	if (type == BTRFS_TREE_BLOCK_REF_KEY ||
-	    type == BTRFS_SHARED_BLOCK_REF_KEY)
-		return sizeof(struct btrfs_extent_inline_ref);
-	if (type == BTRFS_SHARED_DATA_REF_KEY)
-		return sizeof(struct btrfs_shared_data_ref) +
-		       sizeof(struct btrfs_extent_inline_ref);
-	if (type == BTRFS_EXTENT_DATA_REF_KEY)
-		return sizeof(struct btrfs_extent_data_ref) +
-		       offsetof(struct btrfs_extent_inline_ref, offset);
-	return 0;
-}
-
-/* struct btrfs_node */
-BTRFS_SETGET_FUNCS(key_blockptr, struct btrfs_key_ptr, blockptr, 64);
-BTRFS_SETGET_FUNCS(key_generation, struct btrfs_key_ptr, generation, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_key_blockptr, struct btrfs_key_ptr,
-			 blockptr, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_key_generation, struct btrfs_key_ptr,
-			 generation, 64);
-
-static inline u64 btrfs_node_blockptr(const struct extent_buffer *eb, int nr)
-{
-	unsigned long ptr;
-	ptr = offsetof(struct btrfs_node, ptrs) +
-		sizeof(struct btrfs_key_ptr) * nr;
-	return btrfs_key_blockptr(eb, (struct btrfs_key_ptr *)ptr);
-}
-
-static inline void btrfs_set_node_blockptr(const struct extent_buffer *eb,
-					   int nr, u64 val)
-{
-	unsigned long ptr;
-	ptr = offsetof(struct btrfs_node, ptrs) +
-		sizeof(struct btrfs_key_ptr) * nr;
-	btrfs_set_key_blockptr(eb, (struct btrfs_key_ptr *)ptr, val);
-}
-
-static inline u64 btrfs_node_ptr_generation(const struct extent_buffer *eb, int nr)
-{
-	unsigned long ptr;
-	ptr = offsetof(struct btrfs_node, ptrs) +
-		sizeof(struct btrfs_key_ptr) * nr;
-	return btrfs_key_generation(eb, (struct btrfs_key_ptr *)ptr);
-}
-
-static inline void btrfs_set_node_ptr_generation(const struct extent_buffer *eb,
-						 int nr, u64 val)
-{
-	unsigned long ptr;
-	ptr = offsetof(struct btrfs_node, ptrs) +
-		sizeof(struct btrfs_key_ptr) * nr;
-	btrfs_set_key_generation(eb, (struct btrfs_key_ptr *)ptr, val);
-}
-
-static inline unsigned long btrfs_node_key_ptr_offset(int nr)
-{
-	return offsetof(struct btrfs_node, ptrs) +
-		sizeof(struct btrfs_key_ptr) * nr;
-}
-
-void btrfs_node_key(const struct extent_buffer *eb,
-		    struct btrfs_disk_key *disk_key, int nr);
-
-static inline void btrfs_set_node_key(const struct extent_buffer *eb,
-				      struct btrfs_disk_key *disk_key, int nr)
-{
-	unsigned long ptr;
-	ptr = btrfs_node_key_ptr_offset(nr);
-	write_eb_member(eb, (struct btrfs_key_ptr *)ptr,
-		       struct btrfs_key_ptr, key, disk_key);
-}
-
-/* struct btrfs_item */
-BTRFS_SETGET_FUNCS(raw_item_offset, struct btrfs_item, offset, 32);
-BTRFS_SETGET_FUNCS(raw_item_size, struct btrfs_item, size, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_item_offset, struct btrfs_item, offset, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_item_size, struct btrfs_item, size, 32);
-
-static inline unsigned long btrfs_item_nr_offset(int nr)
-{
-	return offsetof(struct btrfs_leaf, items) +
-		sizeof(struct btrfs_item) * nr;
-}
-
-static inline struct btrfs_item *btrfs_item_nr(int nr)
-{
-	return (struct btrfs_item *)btrfs_item_nr_offset(nr);
-}
-
-#define BTRFS_ITEM_SETGET_FUNCS(member)						\
-static inline u32 btrfs_item_##member(const struct extent_buffer *eb,		\
-				      int slot)					\
-{										\
-	return btrfs_raw_item_##member(eb, btrfs_item_nr(slot));		\
-}										\
-static inline void btrfs_set_item_##member(const struct extent_buffer *eb,	\
-					   int slot, u32 val)			\
-{										\
-	btrfs_set_raw_item_##member(eb, btrfs_item_nr(slot), val);		\
-}										\
-static inline u32 btrfs_token_item_##member(struct btrfs_map_token *token,	\
-					    int slot)				\
-{										\
-	struct btrfs_item *item = btrfs_item_nr(slot);				\
-	return btrfs_token_raw_item_##member(token, item);			\
-}										\
-static inline void btrfs_set_token_item_##member(struct btrfs_map_token *token,	\
-						 int slot, u32 val)		\
-{										\
-	struct btrfs_item *item = btrfs_item_nr(slot);				\
-	btrfs_set_token_raw_item_##member(token, item, val);			\
-}
-
-BTRFS_ITEM_SETGET_FUNCS(offset)
-BTRFS_ITEM_SETGET_FUNCS(size);
-
-static inline u32 btrfs_item_data_end(const struct extent_buffer *eb, int nr)
-{
-	return btrfs_item_offset(eb, nr) + btrfs_item_size(eb, nr);
-}
-
-static inline void btrfs_item_key(const struct extent_buffer *eb,
-			   struct btrfs_disk_key *disk_key, int nr)
-{
-	struct btrfs_item *item = btrfs_item_nr(nr);
-	read_eb_member(eb, item, struct btrfs_item, key, disk_key);
-}
-
-static inline void btrfs_set_item_key(struct extent_buffer *eb,
-			       struct btrfs_disk_key *disk_key, int nr)
-{
-	struct btrfs_item *item = btrfs_item_nr(nr);
-	write_eb_member(eb, item, struct btrfs_item, key, disk_key);
-}
-
-BTRFS_SETGET_FUNCS(dir_log_end, struct btrfs_dir_log_item, end, 64);
-
-/*
- * struct btrfs_root_ref
- */
-BTRFS_SETGET_FUNCS(root_ref_dirid, struct btrfs_root_ref, dirid, 64);
-BTRFS_SETGET_FUNCS(root_ref_sequence, struct btrfs_root_ref, sequence, 64);
-BTRFS_SETGET_FUNCS(root_ref_name_len, struct btrfs_root_ref, name_len, 16);
-
-/* struct btrfs_dir_item */
-BTRFS_SETGET_FUNCS(dir_data_len, struct btrfs_dir_item, data_len, 16);
-BTRFS_SETGET_FUNCS(dir_type, struct btrfs_dir_item, type, 8);
-BTRFS_SETGET_FUNCS(dir_name_len, struct btrfs_dir_item, name_len, 16);
-BTRFS_SETGET_FUNCS(dir_transid, struct btrfs_dir_item, transid, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dir_type, struct btrfs_dir_item, type, 8);
-BTRFS_SETGET_STACK_FUNCS(stack_dir_data_len, struct btrfs_dir_item,
-			 data_len, 16);
-BTRFS_SETGET_STACK_FUNCS(stack_dir_name_len, struct btrfs_dir_item,
-			 name_len, 16);
-BTRFS_SETGET_STACK_FUNCS(stack_dir_transid, struct btrfs_dir_item,
-			 transid, 64);
-
-static inline void btrfs_dir_item_key(const struct extent_buffer *eb,
-				      const struct btrfs_dir_item *item,
-				      struct btrfs_disk_key *key)
-{
-	read_eb_member(eb, item, struct btrfs_dir_item, location, key);
-}
-
-static inline void btrfs_set_dir_item_key(struct extent_buffer *eb,
-					  struct btrfs_dir_item *item,
-					  const struct btrfs_disk_key *key)
-{
-	write_eb_member(eb, item, struct btrfs_dir_item, location, key);
-}
-
-BTRFS_SETGET_FUNCS(free_space_entries, struct btrfs_free_space_header,
-		   num_entries, 64);
-BTRFS_SETGET_FUNCS(free_space_bitmaps, struct btrfs_free_space_header,
-		   num_bitmaps, 64);
-BTRFS_SETGET_FUNCS(free_space_generation, struct btrfs_free_space_header,
-		   generation, 64);
-
-static inline void btrfs_free_space_key(const struct extent_buffer *eb,
-					const struct btrfs_free_space_header *h,
-					struct btrfs_disk_key *key)
-{
-	read_eb_member(eb, h, struct btrfs_free_space_header, location, key);
-}
-
-static inline void btrfs_set_free_space_key(struct extent_buffer *eb,
-					    struct btrfs_free_space_header *h,
-					    const struct btrfs_disk_key *key)
-{
-	write_eb_member(eb, h, struct btrfs_free_space_header, location, key);
-}
-
-/* struct btrfs_disk_key */
-BTRFS_SETGET_STACK_FUNCS(disk_key_objectid, struct btrfs_disk_key,
-			 objectid, 64);
-BTRFS_SETGET_STACK_FUNCS(disk_key_offset, struct btrfs_disk_key, offset, 64);
-BTRFS_SETGET_STACK_FUNCS(disk_key_type, struct btrfs_disk_key, type, 8);
-
-#ifdef __LITTLE_ENDIAN
-
-/*
- * Optimized helpers for little-endian architectures where CPU and on-disk
- * structures have the same endianness and we can skip conversions.
- */
-
-static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu_key,
-					 const struct btrfs_disk_key *disk_key)
-{
-	memcpy(cpu_key, disk_key, sizeof(struct btrfs_key));
-}
-
-static inline void btrfs_cpu_key_to_disk(struct btrfs_disk_key *disk_key,
-					 const struct btrfs_key *cpu_key)
-{
-	memcpy(disk_key, cpu_key, sizeof(struct btrfs_key));
-}
-
-static inline void btrfs_node_key_to_cpu(const struct extent_buffer *eb,
-					 struct btrfs_key *cpu_key, int nr)
-{
-	struct btrfs_disk_key *disk_key = (struct btrfs_disk_key *)cpu_key;
-
-	btrfs_node_key(eb, disk_key, nr);
-}
-
-static inline void btrfs_item_key_to_cpu(const struct extent_buffer *eb,
-					 struct btrfs_key *cpu_key, int nr)
-{
-	struct btrfs_disk_key *disk_key = (struct btrfs_disk_key *)cpu_key;
-
-	btrfs_item_key(eb, disk_key, nr);
-}
-
-static inline void btrfs_dir_item_key_to_cpu(const struct extent_buffer *eb,
-					     const struct btrfs_dir_item *item,
-					     struct btrfs_key *cpu_key)
-{
-	struct btrfs_disk_key *disk_key = (struct btrfs_disk_key *)cpu_key;
-
-	btrfs_dir_item_key(eb, item, disk_key);
-}
-
-#else
-
-static inline void btrfs_disk_key_to_cpu(struct btrfs_key *cpu,
-					 const struct btrfs_disk_key *disk)
-{
-	cpu->offset = le64_to_cpu(disk->offset);
-	cpu->type = disk->type;
-	cpu->objectid = le64_to_cpu(disk->objectid);
-}
-
-static inline void btrfs_cpu_key_to_disk(struct btrfs_disk_key *disk,
-					 const struct btrfs_key *cpu)
-{
-	disk->offset = cpu_to_le64(cpu->offset);
-	disk->type = cpu->type;
-	disk->objectid = cpu_to_le64(cpu->objectid);
-}
-
-static inline void btrfs_node_key_to_cpu(const struct extent_buffer *eb,
-					 struct btrfs_key *key, int nr)
-{
-	struct btrfs_disk_key disk_key;
-	btrfs_node_key(eb, &disk_key, nr);
-	btrfs_disk_key_to_cpu(key, &disk_key);
-}
-
-static inline void btrfs_item_key_to_cpu(const struct extent_buffer *eb,
-					 struct btrfs_key *key, int nr)
-{
-	struct btrfs_disk_key disk_key;
-	btrfs_item_key(eb, &disk_key, nr);
-	btrfs_disk_key_to_cpu(key, &disk_key);
-}
-
-static inline void btrfs_dir_item_key_to_cpu(const struct extent_buffer *eb,
-					     const struct btrfs_dir_item *item,
-					     struct btrfs_key *key)
-{
-	struct btrfs_disk_key disk_key;
-	btrfs_dir_item_key(eb, item, &disk_key);
-	btrfs_disk_key_to_cpu(key, &disk_key);
-}
-
-#endif
-
-/* struct btrfs_header */
-BTRFS_SETGET_HEADER_FUNCS(header_bytenr, struct btrfs_header, bytenr, 64);
-BTRFS_SETGET_HEADER_FUNCS(header_generation, struct btrfs_header,
-			  generation, 64);
-BTRFS_SETGET_HEADER_FUNCS(header_owner, struct btrfs_header, owner, 64);
-BTRFS_SETGET_HEADER_FUNCS(header_nritems, struct btrfs_header, nritems, 32);
-BTRFS_SETGET_HEADER_FUNCS(header_flags, struct btrfs_header, flags, 64);
-BTRFS_SETGET_HEADER_FUNCS(header_level, struct btrfs_header, level, 8);
-BTRFS_SETGET_STACK_FUNCS(stack_header_generation, struct btrfs_header,
-			 generation, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_header_owner, struct btrfs_header, owner, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_header_nritems, struct btrfs_header,
-			 nritems, 32);
-BTRFS_SETGET_STACK_FUNCS(stack_header_bytenr, struct btrfs_header, bytenr, 64);
-
-static inline int btrfs_header_flag(const struct extent_buffer *eb, u64 flag)
-{
-	return (btrfs_header_flags(eb) & flag) == flag;
-}
-
-static inline void btrfs_set_header_flag(struct extent_buffer *eb, u64 flag)
-{
-	u64 flags = btrfs_header_flags(eb);
-	btrfs_set_header_flags(eb, flags | flag);
-}
-
-static inline void btrfs_clear_header_flag(struct extent_buffer *eb, u64 flag)
-{
-	u64 flags = btrfs_header_flags(eb);
-	btrfs_set_header_flags(eb, flags & ~flag);
-}
-
-static inline int btrfs_header_backref_rev(const struct extent_buffer *eb)
-{
-	u64 flags = btrfs_header_flags(eb);
-	return flags >> BTRFS_BACKREF_REV_SHIFT;
-}
-
-static inline void btrfs_set_header_backref_rev(struct extent_buffer *eb,
-						int rev)
-{
-	u64 flags = btrfs_header_flags(eb);
-	flags &= ~BTRFS_BACKREF_REV_MASK;
-	flags |= (u64)rev << BTRFS_BACKREF_REV_SHIFT;
-	btrfs_set_header_flags(eb, flags);
-}
-
-static inline int btrfs_is_leaf(const struct extent_buffer *eb)
-{
-	return btrfs_header_level(eb) == 0;
-}
-
-/* struct btrfs_root_item */
-BTRFS_SETGET_FUNCS(disk_root_generation, struct btrfs_root_item,
-		   generation, 64);
-BTRFS_SETGET_FUNCS(disk_root_refs, struct btrfs_root_item, refs, 32);
-BTRFS_SETGET_FUNCS(disk_root_bytenr, struct btrfs_root_item, bytenr, 64);
-BTRFS_SETGET_FUNCS(disk_root_level, struct btrfs_root_item, level, 8);
-
-BTRFS_SETGET_STACK_FUNCS(root_generation, struct btrfs_root_item,
-			 generation, 64);
-BTRFS_SETGET_STACK_FUNCS(root_bytenr, struct btrfs_root_item, bytenr, 64);
-BTRFS_SETGET_STACK_FUNCS(root_drop_level, struct btrfs_root_item, drop_level, 8);
-BTRFS_SETGET_STACK_FUNCS(root_level, struct btrfs_root_item, level, 8);
-BTRFS_SETGET_STACK_FUNCS(root_dirid, struct btrfs_root_item, root_dirid, 64);
-BTRFS_SETGET_STACK_FUNCS(root_refs, struct btrfs_root_item, refs, 32);
-BTRFS_SETGET_STACK_FUNCS(root_flags, struct btrfs_root_item, flags, 64);
-BTRFS_SETGET_STACK_FUNCS(root_used, struct btrfs_root_item, bytes_used, 64);
-BTRFS_SETGET_STACK_FUNCS(root_limit, struct btrfs_root_item, byte_limit, 64);
-BTRFS_SETGET_STACK_FUNCS(root_last_snapshot, struct btrfs_root_item,
-			 last_snapshot, 64);
-BTRFS_SETGET_STACK_FUNCS(root_generation_v2, struct btrfs_root_item,
-			 generation_v2, 64);
-BTRFS_SETGET_STACK_FUNCS(root_ctransid, struct btrfs_root_item,
-			 ctransid, 64);
-BTRFS_SETGET_STACK_FUNCS(root_otransid, struct btrfs_root_item,
-			 otransid, 64);
-BTRFS_SETGET_STACK_FUNCS(root_stransid, struct btrfs_root_item,
-			 stransid, 64);
-BTRFS_SETGET_STACK_FUNCS(root_rtransid, struct btrfs_root_item,
-			 rtransid, 64);
-
-static inline bool btrfs_root_readonly(const struct btrfs_root *root)
-{
-	/* Byte-swap the constant at compile time, root_item::flags is LE */
-	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_RDONLY)) != 0;
-}
-
-static inline bool btrfs_root_dead(const struct btrfs_root *root)
-{
-	/* Byte-swap the constant at compile time, root_item::flags is LE */
-	return (root->root_item.flags & cpu_to_le64(BTRFS_ROOT_SUBVOL_DEAD)) != 0;
-}
-
-static inline u64 btrfs_root_id(const struct btrfs_root *root)
-{
-	return root->root_key.objectid;
-}
-
-/* struct btrfs_root_backup */
-BTRFS_SETGET_STACK_FUNCS(backup_tree_root, struct btrfs_root_backup,
-		   tree_root, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_tree_root_gen, struct btrfs_root_backup,
-		   tree_root_gen, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_tree_root_level, struct btrfs_root_backup,
-		   tree_root_level, 8);
-
-BTRFS_SETGET_STACK_FUNCS(backup_chunk_root, struct btrfs_root_backup,
-		   chunk_root, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_chunk_root_gen, struct btrfs_root_backup,
-		   chunk_root_gen, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_chunk_root_level, struct btrfs_root_backup,
-		   chunk_root_level, 8);
-
-BTRFS_SETGET_STACK_FUNCS(backup_extent_root, struct btrfs_root_backup,
-		   extent_root, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_extent_root_gen, struct btrfs_root_backup,
-		   extent_root_gen, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_extent_root_level, struct btrfs_root_backup,
-		   extent_root_level, 8);
-
-BTRFS_SETGET_STACK_FUNCS(backup_fs_root, struct btrfs_root_backup,
-		   fs_root, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_fs_root_gen, struct btrfs_root_backup,
-		   fs_root_gen, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_fs_root_level, struct btrfs_root_backup,
-		   fs_root_level, 8);
-
-BTRFS_SETGET_STACK_FUNCS(backup_dev_root, struct btrfs_root_backup,
-		   dev_root, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_dev_root_gen, struct btrfs_root_backup,
-		   dev_root_gen, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_dev_root_level, struct btrfs_root_backup,
-		   dev_root_level, 8);
-
-BTRFS_SETGET_STACK_FUNCS(backup_csum_root, struct btrfs_root_backup,
-		   csum_root, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_csum_root_gen, struct btrfs_root_backup,
-		   csum_root_gen, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_csum_root_level, struct btrfs_root_backup,
-		   csum_root_level, 8);
-BTRFS_SETGET_STACK_FUNCS(backup_total_bytes, struct btrfs_root_backup,
-		   total_bytes, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_bytes_used, struct btrfs_root_backup,
-		   bytes_used, 64);
-BTRFS_SETGET_STACK_FUNCS(backup_num_devices, struct btrfs_root_backup,
-		   num_devices, 64);
-
-/* struct btrfs_balance_item */
-BTRFS_SETGET_FUNCS(balance_flags, struct btrfs_balance_item, flags, 64);
-
-static inline void btrfs_balance_data(const struct extent_buffer *eb,
-				      const struct btrfs_balance_item *bi,
-				      struct btrfs_disk_balance_args *ba)
-{
-	read_eb_member(eb, bi, struct btrfs_balance_item, data, ba);
-}
-
-static inline void btrfs_set_balance_data(struct extent_buffer *eb,
-				  struct btrfs_balance_item *bi,
-				  const struct btrfs_disk_balance_args *ba)
-{
-	write_eb_member(eb, bi, struct btrfs_balance_item, data, ba);
-}
-
-static inline void btrfs_balance_meta(const struct extent_buffer *eb,
-				      const struct btrfs_balance_item *bi,
-				      struct btrfs_disk_balance_args *ba)
-{
-	read_eb_member(eb, bi, struct btrfs_balance_item, meta, ba);
-}
-
-static inline void btrfs_set_balance_meta(struct extent_buffer *eb,
-				  struct btrfs_balance_item *bi,
-				  const struct btrfs_disk_balance_args *ba)
-{
-	write_eb_member(eb, bi, struct btrfs_balance_item, meta, ba);
-}
-
-static inline void btrfs_balance_sys(const struct extent_buffer *eb,
-				     const struct btrfs_balance_item *bi,
-				     struct btrfs_disk_balance_args *ba)
-{
-	read_eb_member(eb, bi, struct btrfs_balance_item, sys, ba);
-}
-
-static inline void btrfs_set_balance_sys(struct extent_buffer *eb,
-				 struct btrfs_balance_item *bi,
-				 const struct btrfs_disk_balance_args *ba)
-{
-	write_eb_member(eb, bi, struct btrfs_balance_item, sys, ba);
-}
-
-static inline void
-btrfs_disk_balance_args_to_cpu(struct btrfs_balance_args *cpu,
-			       const struct btrfs_disk_balance_args *disk)
-{
-	memset(cpu, 0, sizeof(*cpu));
-
-	cpu->profiles = le64_to_cpu(disk->profiles);
-	cpu->usage = le64_to_cpu(disk->usage);
-	cpu->devid = le64_to_cpu(disk->devid);
-	cpu->pstart = le64_to_cpu(disk->pstart);
-	cpu->pend = le64_to_cpu(disk->pend);
-	cpu->vstart = le64_to_cpu(disk->vstart);
-	cpu->vend = le64_to_cpu(disk->vend);
-	cpu->target = le64_to_cpu(disk->target);
-	cpu->flags = le64_to_cpu(disk->flags);
-	cpu->limit = le64_to_cpu(disk->limit);
-	cpu->stripes_min = le32_to_cpu(disk->stripes_min);
-	cpu->stripes_max = le32_to_cpu(disk->stripes_max);
-}
-
-static inline void
-btrfs_cpu_balance_args_to_disk(struct btrfs_disk_balance_args *disk,
-			       const struct btrfs_balance_args *cpu)
-{
-	memset(disk, 0, sizeof(*disk));
-
-	disk->profiles = cpu_to_le64(cpu->profiles);
-	disk->usage = cpu_to_le64(cpu->usage);
-	disk->devid = cpu_to_le64(cpu->devid);
-	disk->pstart = cpu_to_le64(cpu->pstart);
-	disk->pend = cpu_to_le64(cpu->pend);
-	disk->vstart = cpu_to_le64(cpu->vstart);
-	disk->vend = cpu_to_le64(cpu->vend);
-	disk->target = cpu_to_le64(cpu->target);
-	disk->flags = cpu_to_le64(cpu->flags);
-	disk->limit = cpu_to_le64(cpu->limit);
-	disk->stripes_min = cpu_to_le32(cpu->stripes_min);
-	disk->stripes_max = cpu_to_le32(cpu->stripes_max);
-}
-
-/* struct btrfs_super_block */
-BTRFS_SETGET_STACK_FUNCS(super_bytenr, struct btrfs_super_block, bytenr, 64);
-BTRFS_SETGET_STACK_FUNCS(super_flags, struct btrfs_super_block, flags, 64);
-BTRFS_SETGET_STACK_FUNCS(super_generation, struct btrfs_super_block,
-			 generation, 64);
-BTRFS_SETGET_STACK_FUNCS(super_root, struct btrfs_super_block, root, 64);
-BTRFS_SETGET_STACK_FUNCS(super_sys_array_size,
-			 struct btrfs_super_block, sys_chunk_array_size, 32);
-BTRFS_SETGET_STACK_FUNCS(super_chunk_root_generation,
-			 struct btrfs_super_block, chunk_root_generation, 64);
-BTRFS_SETGET_STACK_FUNCS(super_root_level, struct btrfs_super_block,
-			 root_level, 8);
-BTRFS_SETGET_STACK_FUNCS(super_chunk_root, struct btrfs_super_block,
-			 chunk_root, 64);
-BTRFS_SETGET_STACK_FUNCS(super_chunk_root_level, struct btrfs_super_block,
-			 chunk_root_level, 8);
-BTRFS_SETGET_STACK_FUNCS(super_log_root, struct btrfs_super_block,
-			 log_root, 64);
-BTRFS_SETGET_STACK_FUNCS(super_log_root_level, struct btrfs_super_block,
-			 log_root_level, 8);
-BTRFS_SETGET_STACK_FUNCS(super_total_bytes, struct btrfs_super_block,
-			 total_bytes, 64);
-BTRFS_SETGET_STACK_FUNCS(super_bytes_used, struct btrfs_super_block,
-			 bytes_used, 64);
-BTRFS_SETGET_STACK_FUNCS(super_sectorsize, struct btrfs_super_block,
-			 sectorsize, 32);
-BTRFS_SETGET_STACK_FUNCS(super_nodesize, struct btrfs_super_block,
-			 nodesize, 32);
-BTRFS_SETGET_STACK_FUNCS(super_stripesize, struct btrfs_super_block,
-			 stripesize, 32);
-BTRFS_SETGET_STACK_FUNCS(super_root_dir, struct btrfs_super_block,
-			 root_dir_objectid, 64);
-BTRFS_SETGET_STACK_FUNCS(super_num_devices, struct btrfs_super_block,
-			 num_devices, 64);
-BTRFS_SETGET_STACK_FUNCS(super_compat_flags, struct btrfs_super_block,
-			 compat_flags, 64);
-BTRFS_SETGET_STACK_FUNCS(super_compat_ro_flags, struct btrfs_super_block,
-			 compat_ro_flags, 64);
-BTRFS_SETGET_STACK_FUNCS(super_incompat_flags, struct btrfs_super_block,
-			 incompat_flags, 64);
-BTRFS_SETGET_STACK_FUNCS(super_csum_type, struct btrfs_super_block,
-			 csum_type, 16);
-BTRFS_SETGET_STACK_FUNCS(super_cache_generation, struct btrfs_super_block,
-			 cache_generation, 64);
-BTRFS_SETGET_STACK_FUNCS(super_magic, struct btrfs_super_block, magic, 64);
-BTRFS_SETGET_STACK_FUNCS(super_uuid_tree_generation, struct btrfs_super_block,
-			 uuid_tree_generation, 64);
-
-int btrfs_super_csum_size(const struct btrfs_super_block *s);
-const char *btrfs_super_csum_name(u16 csum_type);
-const char *btrfs_super_csum_driver(u16 csum_type);
-size_t __attribute_const__ btrfs_get_num_csums(void);
-
-
-/*
- * The leaf data grows from end-to-front in the node.
- * this returns the address of the start of the last item,
- * which is the stop of the leaf data stack
- */
-static inline unsigned int leaf_data_end(const struct extent_buffer *leaf)
-{
-	u32 nr = btrfs_header_nritems(leaf);
-
-	if (nr == 0)
-		return BTRFS_LEAF_DATA_SIZE(leaf->fs_info);
-	return btrfs_item_offset(leaf, nr - 1);
-}
-
-/* struct btrfs_file_extent_item */
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_type, struct btrfs_file_extent_item,
-			 type, 8);
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_bytenr,
-			 struct btrfs_file_extent_item, disk_bytenr, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_offset,
-			 struct btrfs_file_extent_item, offset, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_generation,
-			 struct btrfs_file_extent_item, generation, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_num_bytes,
-			 struct btrfs_file_extent_item, num_bytes, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_ram_bytes,
-			 struct btrfs_file_extent_item, ram_bytes, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_num_bytes,
-			 struct btrfs_file_extent_item, disk_num_bytes, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_file_extent_compression,
-			 struct btrfs_file_extent_item, compression, 8);
-
-static inline unsigned long
-btrfs_file_extent_inline_start(const struct btrfs_file_extent_item *e)
-{
-	return (unsigned long)e + BTRFS_FILE_EXTENT_INLINE_DATA_START;
-}
-
-static inline u32 btrfs_file_extent_calc_inline_size(u32 datasize)
-{
-	return BTRFS_FILE_EXTENT_INLINE_DATA_START + datasize;
-}
-
-BTRFS_SETGET_FUNCS(file_extent_type, struct btrfs_file_extent_item, type, 8);
-BTRFS_SETGET_FUNCS(file_extent_disk_bytenr, struct btrfs_file_extent_item,
-		   disk_bytenr, 64);
-BTRFS_SETGET_FUNCS(file_extent_generation, struct btrfs_file_extent_item,
-		   generation, 64);
-BTRFS_SETGET_FUNCS(file_extent_disk_num_bytes, struct btrfs_file_extent_item,
-		   disk_num_bytes, 64);
-BTRFS_SETGET_FUNCS(file_extent_offset, struct btrfs_file_extent_item,
-		  offset, 64);
-BTRFS_SETGET_FUNCS(file_extent_num_bytes, struct btrfs_file_extent_item,
-		   num_bytes, 64);
-BTRFS_SETGET_FUNCS(file_extent_ram_bytes, struct btrfs_file_extent_item,
-		   ram_bytes, 64);
-BTRFS_SETGET_FUNCS(file_extent_compression, struct btrfs_file_extent_item,
-		   compression, 8);
-BTRFS_SETGET_FUNCS(file_extent_encryption, struct btrfs_file_extent_item,
-		   encryption, 8);
-BTRFS_SETGET_FUNCS(file_extent_other_encoding, struct btrfs_file_extent_item,
-		   other_encoding, 16);
-
-/*
- * this returns the number of bytes used by the item on disk, minus the
- * size of any extent headers.  If a file is compressed on disk, this is
- * the compressed size
- */
-static inline u32 btrfs_file_extent_inline_item_len(
-						const struct extent_buffer *eb,
-						int nr)
-{
-	return btrfs_item_size(eb, nr) - BTRFS_FILE_EXTENT_INLINE_DATA_START;
-}
-
-/* btrfs_qgroup_status_item */
-BTRFS_SETGET_FUNCS(qgroup_status_generation, struct btrfs_qgroup_status_item,
-		   generation, 64);
-BTRFS_SETGET_FUNCS(qgroup_status_version, struct btrfs_qgroup_status_item,
-		   version, 64);
-BTRFS_SETGET_FUNCS(qgroup_status_flags, struct btrfs_qgroup_status_item,
-		   flags, 64);
-BTRFS_SETGET_FUNCS(qgroup_status_rescan, struct btrfs_qgroup_status_item,
-		   rescan, 64);
-
-/* btrfs_qgroup_info_item */
-BTRFS_SETGET_FUNCS(qgroup_info_generation, struct btrfs_qgroup_info_item,
-		   generation, 64);
-BTRFS_SETGET_FUNCS(qgroup_info_rfer, struct btrfs_qgroup_info_item, rfer, 64);
-BTRFS_SETGET_FUNCS(qgroup_info_rfer_cmpr, struct btrfs_qgroup_info_item,
-		   rfer_cmpr, 64);
-BTRFS_SETGET_FUNCS(qgroup_info_excl, struct btrfs_qgroup_info_item, excl, 64);
-BTRFS_SETGET_FUNCS(qgroup_info_excl_cmpr, struct btrfs_qgroup_info_item,
-		   excl_cmpr, 64);
-
-BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_generation,
-			 struct btrfs_qgroup_info_item, generation, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_rfer, struct btrfs_qgroup_info_item,
-			 rfer, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_rfer_cmpr,
-			 struct btrfs_qgroup_info_item, rfer_cmpr, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_excl, struct btrfs_qgroup_info_item,
-			 excl, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_qgroup_info_excl_cmpr,
-			 struct btrfs_qgroup_info_item, excl_cmpr, 64);
-
-/* btrfs_qgroup_limit_item */
-BTRFS_SETGET_FUNCS(qgroup_limit_flags, struct btrfs_qgroup_limit_item,
-		   flags, 64);
-BTRFS_SETGET_FUNCS(qgroup_limit_max_rfer, struct btrfs_qgroup_limit_item,
-		   max_rfer, 64);
-BTRFS_SETGET_FUNCS(qgroup_limit_max_excl, struct btrfs_qgroup_limit_item,
-		   max_excl, 64);
-BTRFS_SETGET_FUNCS(qgroup_limit_rsv_rfer, struct btrfs_qgroup_limit_item,
-		   rsv_rfer, 64);
-BTRFS_SETGET_FUNCS(qgroup_limit_rsv_excl, struct btrfs_qgroup_limit_item,
-		   rsv_excl, 64);
-
-/* btrfs_dev_replace_item */
-BTRFS_SETGET_FUNCS(dev_replace_src_devid,
-		   struct btrfs_dev_replace_item, src_devid, 64);
-BTRFS_SETGET_FUNCS(dev_replace_cont_reading_from_srcdev_mode,
-		   struct btrfs_dev_replace_item, cont_reading_from_srcdev_mode,
-		   64);
-BTRFS_SETGET_FUNCS(dev_replace_replace_state, struct btrfs_dev_replace_item,
-		   replace_state, 64);
-BTRFS_SETGET_FUNCS(dev_replace_time_started, struct btrfs_dev_replace_item,
-		   time_started, 64);
-BTRFS_SETGET_FUNCS(dev_replace_time_stopped, struct btrfs_dev_replace_item,
-		   time_stopped, 64);
-BTRFS_SETGET_FUNCS(dev_replace_num_write_errors, struct btrfs_dev_replace_item,
-		   num_write_errors, 64);
-BTRFS_SETGET_FUNCS(dev_replace_num_uncorrectable_read_errors,
-		   struct btrfs_dev_replace_item, num_uncorrectable_read_errors,
-		   64);
-BTRFS_SETGET_FUNCS(dev_replace_cursor_left, struct btrfs_dev_replace_item,
-		   cursor_left, 64);
-BTRFS_SETGET_FUNCS(dev_replace_cursor_right, struct btrfs_dev_replace_item,
-		   cursor_right, 64);
-
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_src_devid,
-			 struct btrfs_dev_replace_item, src_devid, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_cont_reading_from_srcdev_mode,
-			 struct btrfs_dev_replace_item,
-			 cont_reading_from_srcdev_mode, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_replace_state,
-			 struct btrfs_dev_replace_item, replace_state, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_time_started,
-			 struct btrfs_dev_replace_item, time_started, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_time_stopped,
-			 struct btrfs_dev_replace_item, time_stopped, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_num_write_errors,
-			 struct btrfs_dev_replace_item, num_write_errors, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_num_uncorrectable_read_errors,
-			 struct btrfs_dev_replace_item,
-			 num_uncorrectable_read_errors, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_cursor_left,
-			 struct btrfs_dev_replace_item, cursor_left, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_dev_replace_cursor_right,
-			 struct btrfs_dev_replace_item, cursor_right, 64);
-
-/* btrfs_verity_descriptor_item */
-BTRFS_SETGET_FUNCS(verity_descriptor_encryption, struct btrfs_verity_descriptor_item,
-		   encryption, 8);
-BTRFS_SETGET_FUNCS(verity_descriptor_size, struct btrfs_verity_descriptor_item,
-		   size, 64);
-BTRFS_SETGET_STACK_FUNCS(stack_verity_descriptor_encryption,
-			 struct btrfs_verity_descriptor_item, encryption, 8);
-BTRFS_SETGET_STACK_FUNCS(stack_verity_descriptor_size,
-			 struct btrfs_verity_descriptor_item, size, 64);
-
-/* helper function to cast into the data area of the leaf. */
-#define btrfs_item_ptr(leaf, slot, type) \
-	((type *)(BTRFS_LEAF_DATA_OFFSET + \
-	btrfs_item_offset(leaf, slot)))
-
-#define btrfs_item_ptr_offset(leaf, slot) \
-	((unsigned long)(BTRFS_LEAF_DATA_OFFSET + \
-	btrfs_item_offset(leaf, slot)))
-
 static inline u32 btrfs_crc32c(u32 crc, const void *address, unsigned length)
 {
 	return crc32c(crc, address, length);
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 2f68570fbb53..012c96de4701 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -17,6 +17,7 @@
 #include "locking.h"
 #include "inode-item.h"
 #include "space-info.h"
+#include "accessors.h"
 
 #define BTRFS_DELAYED_WRITEBACK		512
 #define BTRFS_DELAYED_BACKGROUND	128
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 348aef453e69..94f8975034ce 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -24,6 +24,7 @@
 #include "zoned.h"
 #include "block-group.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * Device replace overview
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index be5c1c2a8da5..9fa37f245c43 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -7,6 +7,7 @@
 #include "ctree.h"
 #include "disk-io.h"
 #include "transaction.h"
+#include "accessors.h"
 
 /*
  * insert a name into a directory, doing overflow properly if there is a hash
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 2c38b4eebd8f..75475a213972 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -44,6 +44,7 @@
 #include "zoned.h"
 #include "subpage.h"
 #include "fs.h"
+#include "accessors.h"
 
 #define BTRFS_SUPER_FLAG_SUPP	(BTRFS_HEADER_FLAG_WRITTEN |\
 				 BTRFS_HEADER_FLAG_RELOC |\
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index a51a5dfa737c..b6bc9684648f 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -7,6 +7,7 @@
 #include "btrfs_inode.h"
 #include "print-tree.h"
 #include "export.h"
+#include "accessors.h"
 
 #define BTRFS_FID_SIZE_NON_CONNECTABLE (offsetof(struct btrfs_fid, \
 						 parent_objectid) / 4)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index bc010dbcb6b1..8d28ba360e9a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -37,6 +37,7 @@
 #include "zoned.h"
 #include "dev-replace.h"
 #include "fs.h"
+#include "accessors.h"
 
 #undef SCRAMBLE_DELAYED_REFS
 
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index aa2d60f683bb..4b47bb8c590f 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -31,6 +31,7 @@
 #include "block-group.h"
 #include "compression.h"
 #include "fs.h"
+#include "accessors.h"
 
 static struct kmem_cache *extent_buffer_cache;
 
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 675987e2d652..bce6c8d31bc0 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -18,6 +18,7 @@
 #include "print-tree.h"
 #include "compression.h"
 #include "fs.h"
+#include "accessors.h"
 
 #define __MAX_CSUM_ITEMS(r, size) ((unsigned long)(((BTRFS_LEAF_DATA_SIZE(r) - \
 				   sizeof(struct btrfs_item) * 2) / \
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a352c7cacc99..62360a554420 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -31,6 +31,7 @@
 #include "reflink.h"
 #include "subpage.h"
 #include "fs.h"
+#include "accessors.h"
 
 static struct kmem_cache *btrfs_inode_defrag_cachep;
 /*
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 703902156f97..26ff1a5100b9 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -26,6 +26,7 @@
 #include "discard.h"
 #include "subpage.h"
 #include "inode-item.h"
+#include "accessors.h"
 
 #define BITS_PER_BITMAP		(PAGE_SIZE * 8UL)
 #define MAX_CACHE_BYTES_PER_GIG	SZ_64K
diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c
index 026214d74a02..fc79d21e7b4f 100644
--- a/fs/btrfs/free-space-tree.c
+++ b/fs/btrfs/free-space-tree.c
@@ -13,6 +13,7 @@
 #include "transaction.h"
 #include "block-group.h"
 #include "fs.h"
+#include "accessors.h"
 
 static int __add_block_group_free_space(struct btrfs_trans_handle *trans,
 					struct btrfs_block_group *block_group,
diff --git a/fs/btrfs/fs.c b/fs/btrfs/fs.c
index a59504b59435..5553e1f8afe8 100644
--- a/fs/btrfs/fs.c
+++ b/fs/btrfs/fs.c
@@ -3,6 +3,7 @@
 #include "messages.h"
 #include "ctree.h"
 #include "fs.h"
+#include "accessors.h"
 
 void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag,
 			     const char *name)
diff --git a/fs/btrfs/inode-item.c b/fs/btrfs/inode-item.c
index 25e9f1d65067..b8dbabfa8b31 100644
--- a/fs/btrfs/inode-item.c
+++ b/fs/btrfs/inode-item.c
@@ -11,6 +11,7 @@
 #include "transaction.h"
 #include "print-tree.h"
 #include "space-info.h"
+#include "accessors.h"
 
 struct btrfs_inode_ref *btrfs_find_name_in_backref(struct extent_buffer *leaf,
 						   int slot, const char *name,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 564a4ae9c285..e33be4032fff 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -51,6 +51,7 @@
 #include "block-group.h"
 #include "subpage.h"
 #include "fs.h"
+#include "accessors.h"
 
 #ifdef CONFIG_64BIT
 /* If we have a 32-bit userspace and 64-bit kernel, then the UAPI
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 0eab3cb274a1..870528d87526 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -12,6 +12,7 @@
 #include "ctree.h"
 #include "extent_io.h"
 #include "locking.h"
+#include "accessors.h"
 
 /*
  * Lockdep class keys for extent_buffer->lock's in this root.  For a given
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 708facaede2c..aab7d30eed55 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -7,6 +7,7 @@
 #include "ctree.h"
 #include "disk-io.h"
 #include "print-tree.h"
+#include "accessors.h"
 
 struct root_name_map {
 	u64 id;
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index 6d88bf0a9b17..9ad15d69718c 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -13,6 +13,7 @@
 #include "compression.h"
 #include "space-info.h"
 #include "fs.h"
+#include "accessors.h"
 
 #define BTRFS_PROP_HANDLERS_HT_BITS 8
 static DEFINE_HASHTABLE(prop_handlers_ht, BTRFS_PROP_HANDLERS_HT_BITS);
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index e87a2f066f4d..39f67ca4b4ca 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -25,6 +25,7 @@
 #include "sysfs.h"
 #include "tree-mod-log.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * Helpers to access qgroup reservation
diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index 9b09dc50ba14..95d28497de7c 100644
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -12,6 +12,7 @@
 #include "delayed-ref.h"
 #include "ref-verify.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * Used to keep track the roots and number of refs each root has for a given
diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index daf65bfad30e..f0243eb33df7 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -11,6 +11,7 @@
 #include "reflink.h"
 #include "transaction.h"
 #include "subpage.h"
+#include "accessors.h"
 
 #define BTRFS_MAX_DEDUPE_LEN	SZ_16M
 
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 977afbb4cd45..3d0a63465a74 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -29,6 +29,7 @@
 #include "inode-item.h"
 #include "space-info.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * Relocation overview
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 112b4bf3c3b8..fc00dfb281d5 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -13,6 +13,7 @@
 #include "print-tree.h"
 #include "qgroup.h"
 #include "space-info.h"
+#include "accessors.h"
 
 /*
  * Read a root item from the tree. In case we detect a root item smaller then
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 6871c1c54f8c..5c6c4aa2fb09 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -22,6 +22,7 @@
 #include "block-group.h"
 #include "zoned.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * This is only the first step towards a full-features scrub. It reads all
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 80104b5af32f..31fb3292e816 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -27,6 +27,7 @@
 #include "compression.h"
 #include "xattr.h"
 #include "print-tree.h"
+#include "accessors.h"
 
 /*
  * Maximum number of references an extent can have in order for us to attempt to
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index af1538c2685d..94d73485454a 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -11,6 +11,7 @@
 #include "block-group.h"
 #include "zoned.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * HOW DOES SPACE RESERVATION WORK
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 0839e4a1cfac..c02fcdb9c7c4 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -51,6 +51,7 @@
 #include "qgroup.h"
 #include "raid56.h"
 #include "fs.h"
+#include "accessors.h"
 #define CREATE_TRACE_POINTS
 #include <trace/events/btrfs.h>
 
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 47b221372dcf..a14812f1254a 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -23,6 +23,7 @@
 #include "qgroup.h"
 #include "misc.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * Structure name                       Path
diff --git a/fs/btrfs/tests/extent-buffer-tests.c b/fs/btrfs/tests/extent-buffer-tests.c
index b7d181a08eab..5ef0b90e25c3 100644
--- a/fs/btrfs/tests/extent-buffer-tests.c
+++ b/fs/btrfs/tests/extent-buffer-tests.c
@@ -8,6 +8,7 @@
 #include "../ctree.h"
 #include "../extent_io.h"
 #include "../disk-io.h"
+#include "../accessors.h"
 
 static int test_btrfs_split_item(u32 sectorsize, u32 nodesize)
 {
diff --git a/fs/btrfs/tests/free-space-tree-tests.c b/fs/btrfs/tests/free-space-tree-tests.c
index 13734ed43bfc..53a17b1d1744 100644
--- a/fs/btrfs/tests/free-space-tree-tests.c
+++ b/fs/btrfs/tests/free-space-tree-tests.c
@@ -10,6 +10,7 @@
 #include "../free-space-tree.h"
 #include "../transaction.h"
 #include "../block-group.h"
+#include "../accessors.h"
 
 struct free_space_extent {
 	u64 start;
diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c
index 625f7d398368..0a34a54ea9fd 100644
--- a/fs/btrfs/tests/inode-tests.c
+++ b/fs/btrfs/tests/inode-tests.c
@@ -11,6 +11,7 @@
 #include "../extent_io.h"
 #include "../volumes.h"
 #include "../compression.h"
+#include "../accessors.h"
 
 static void insert_extent(struct btrfs_root *root, u64 start, u64 len,
 			  u64 ram_bytes, u64 offset, u64 disk_bytenr,
diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c
index fd0e0ade8154..65b65d55d1f6 100644
--- a/fs/btrfs/tests/qgroup-tests.c
+++ b/fs/btrfs/tests/qgroup-tests.c
@@ -11,6 +11,7 @@
 #include "../qgroup.h"
 #include "../backref.h"
 #include "../fs.h"
+#include "../accessors.h"
 
 static int insert_normal_tree_ref(struct btrfs_root *root, u64 bytenr,
 				  u64 num_bytes, u64 parent, u64 root_objectid)
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 37d0baaa41d8..25e6b504edb4 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -24,6 +24,7 @@
 #include "space-info.h"
 #include "zoned.h"
 #include "fs.h"
+#include "accessors.h"
 
 static struct kmem_cache *btrfs_trans_handle_cachep;
 
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index fa9536110d69..11cafc520b47 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -27,6 +27,7 @@
 #include "misc.h"
 #include "btrfs_inode.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * Error message should follow the following format:
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index b6cf39f4e7e4..5df604846de6 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -9,6 +9,7 @@
 #include "print-tree.h"
 #include "transaction.h"
 #include "locking.h"
+#include "accessors.h"
 
 /*
  * Defrag all the leaves in a given btree.
diff --git a/fs/btrfs/tree-mod-log.c b/fs/btrfs/tree-mod-log.c
index 69083889a9b8..3bea19698a10 100644
--- a/fs/btrfs/tree-mod-log.c
+++ b/fs/btrfs/tree-mod-log.c
@@ -4,6 +4,7 @@
 #include "tree-mod-log.h"
 #include "disk-io.h"
 #include "fs.h"
+#include "accessors.h"
 
 struct tree_mod_root {
 	u64 logical;
diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c
index 190f752a2e10..70304b89f31f 100644
--- a/fs/btrfs/uuid-tree.c
+++ b/fs/btrfs/uuid-tree.c
@@ -11,7 +11,7 @@
 #include "disk-io.h"
 #include "print-tree.h"
 #include "fs.h"
-
+#include "accessors.h"
 
 static void btrfs_uuid_to_key(u8 *uuid, u8 type, struct btrfs_key *key)
 {
diff --git a/fs/btrfs/verity.c b/fs/btrfs/verity.c
index 35445855df4d..d02fa354fc2b 100644
--- a/fs/btrfs/verity.c
+++ b/fs/btrfs/verity.c
@@ -17,6 +17,7 @@
 #include "disk-io.h"
 #include "locking.h"
 #include "fs.h"
+#include "accessors.h"
 
 /*
  * Implementation of the interface defined in struct fsverity_operations.
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index d65d5d7835fe..767c56be6b96 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -34,6 +34,7 @@
 #include "discard.h"
 #include "zoned.h"
 #include "fs.h"
+#include "accessors.h"
 
 static struct bio_set btrfs_bioset;
 
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index b26c869f0226..fcf2d5f7e198 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -21,6 +21,7 @@
 #include "disk-io.h"
 #include "props.h"
 #include "locking.h"
+#include "accessors.h"
 
 int btrfs_getxattr(struct inode *inode, const char *name,
 				void *buffer, size_t size)
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 2a7d856c232c..fe66cb929af9 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -16,6 +16,7 @@
 #include "dev-replace.h"
 #include "space-info.h"
 #include "fs.h"
+#include "accessors.h"
 
 /* Maximum number of zones to report per blkdev_report_zones() call */
 #define BTRFS_REPORT_NR_ZONES   4096