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
#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
#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)
#include "block-group.h"
#include "disk-io.h"
#include "fs.h"
+#include "accessors.h"
/*
* HOW DO BLOCK RESERVES WORK
#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
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);
#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);
#include "locking.h"
#include "inode-item.h"
#include "space-info.h"
+#include "accessors.h"
#define BTRFS_DELAYED_WRITEBACK 512
#define BTRFS_DELAYED_BACKGROUND 128
#include "zoned.h"
#include "block-group.h"
#include "fs.h"
+#include "accessors.h"
/*
* Device replace overview
#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
#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 |\
#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)
#include "zoned.h"
#include "dev-replace.h"
#include "fs.h"
+#include "accessors.h"
#undef SCRAMBLE_DELAYED_REFS
#include "block-group.h"
#include "compression.h"
#include "fs.h"
+#include "accessors.h"
static struct kmem_cache *extent_buffer_cache;
#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) / \
#include "reflink.h"
#include "subpage.h"
#include "fs.h"
+#include "accessors.h"
static struct kmem_cache *btrfs_inode_defrag_cachep;
/*
#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
#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,
#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)
#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,
#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
#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
#include "ctree.h"
#include "disk-io.h"
#include "print-tree.h"
+#include "accessors.h"
struct root_name_map {
u64 id;
#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);
#include "sysfs.h"
#include "tree-mod-log.h"
#include "fs.h"
+#include "accessors.h"
/*
* Helpers to access qgroup reservation
#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
#include "reflink.h"
#include "transaction.h"
#include "subpage.h"
+#include "accessors.h"
#define BTRFS_MAX_DEDUPE_LEN SZ_16M
#include "inode-item.h"
#include "space-info.h"
#include "fs.h"
+#include "accessors.h"
/*
* Relocation overview
#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
#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
#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
#include "block-group.h"
#include "zoned.h"
#include "fs.h"
+#include "accessors.h"
/*
* HOW DOES SPACE RESERVATION WORK
#include "qgroup.h"
#include "raid56.h"
#include "fs.h"
+#include "accessors.h"
#define CREATE_TRACE_POINTS
#include <trace/events/btrfs.h>
#include "qgroup.h"
#include "misc.h"
#include "fs.h"
+#include "accessors.h"
/*
* Structure name Path
#include "../ctree.h"
#include "../extent_io.h"
#include "../disk-io.h"
+#include "../accessors.h"
static int test_btrfs_split_item(u32 sectorsize, u32 nodesize)
{
#include "../free-space-tree.h"
#include "../transaction.h"
#include "../block-group.h"
+#include "../accessors.h"
struct free_space_extent {
u64 start;
#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,
#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)
#include "space-info.h"
#include "zoned.h"
#include "fs.h"
+#include "accessors.h"
static struct kmem_cache *btrfs_trans_handle_cachep;
#include "misc.h"
#include "btrfs_inode.h"
#include "fs.h"
+#include "accessors.h"
/*
* Error message should follow the following format:
#include "print-tree.h"
#include "transaction.h"
#include "locking.h"
+#include "accessors.h"
/*
* Defrag all the leaves in a given btree.
#include "tree-mod-log.h"
#include "disk-io.h"
#include "fs.h"
+#include "accessors.h"
struct tree_mod_root {
u64 logical;
#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)
{
#include "disk-io.h"
#include "locking.h"
#include "fs.h"
+#include "accessors.h"
/*
* Implementation of the interface defined in struct fsverity_operations.
#include "discard.h"
#include "zoned.h"
#include "fs.h"
+#include "accessors.h"
static struct bio_set btrfs_bioset;
#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)
#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
projects / linux-2.6-microblaze.git / commitdiff