94 	 * The address where the eb can be accessed without any cross-page handling.
104 	/* >= 0 if eb belongs to a log tree, -1 otherwise */
125 	struct extent_buffer *eb;  member
126 	/* Block group @eb resides in. Only used for zoned mode. */
130 static inline unsigned long offset_in_eb_folio(const struct extent_buffer *eb,  in offset_in_eb_folio()  argument
133 	ASSERT(eb->folio_size);  in offset_in_eb_folio()
134 	return start & (eb->folio_size - 1);  in offset_in_eb_folio()
140  * @eb:		target extent buffer
145 static inline size_t get_eb_offset_in_folio(const struct extent_buffer *eb,  in get_eb_offset_in_folio()  argument
150 	 *    1.1) One large folio covering the whole eb  in get_eb_offset_in_folio()
151 	 *	   The eb->start is aligned to folio size, thus adding it  in get_eb_offset_in_folio()
154 	 *	   The eb->start is aligned to folio (page) size, thus  in get_eb_offset_in_folio()
160 	 *    We need to add eb->start to properly access the offset inside  in get_eb_offset_in_folio()
161 	 *    that eb.  in get_eb_offset_in_folio()
163 	return offset_in_folio(eb->folios[0], offset + eb->start);  in get_eb_offset_in_folio()
166 static inline unsigned long get_eb_folio_index(const struct extent_buffer *eb,  in get_eb_folio_index()  argument
171 	 *    1.1) One large folio covering the whole eb.  in get_eb_folio_index()
181 	return offset >> eb->folio_shift;  in get_eb_folio_index()
276 void free_extent_buffer(struct extent_buffer *eb);
277 void free_extent_buffer_stale(struct extent_buffer *eb);
278 int read_extent_buffer_pages(struct extent_buffer *eb, int mirror_num,
280 int read_extent_buffer_pages_nowait(struct extent_buffer *eb, int mirror_num,
283 static inline void wait_on_extent_buffer_writeback(struct extent_buffer *eb)  in wait_on_extent_buffer_writeback()  argument
285 	wait_on_bit_io(&eb->bflags, EXTENT_BUFFER_WRITEBACK,  in wait_on_extent_buffer_writeback()
295 static inline int __pure num_extent_pages(const struct extent_buffer *eb)  in num_extent_pages()  argument
299 	 * sectorsize, it's just eb->len >> PAGE_SHIFT.  in num_extent_pages()
304 	return (eb->len >> PAGE_SHIFT) ?: 1;  in num_extent_pages()
308  * This can only be determined at runtime by checking eb::folios[0].
310  * As we can have either one large folio covering the whole eb
316 static inline int __pure num_extent_folios(const struct extent_buffer *eb)  in num_extent_folios()  argument
318 	if (!eb->folios[0])  in num_extent_folios()
320 	if (folio_order(eb->folios[0]))  in num_extent_folios()
322 	return num_extent_pages(eb);  in num_extent_folios()
325 static inline bool extent_buffer_uptodate(const struct extent_buffer *eb)  in extent_buffer_uptodate()  argument
327 	return test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);  in extent_buffer_uptodate()
330 int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
332 void read_extent_buffer(const struct extent_buffer *eb, void *dst,
335 int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb,
338 void write_extent_buffer(const struct extent_buffer *eb, const void *src,
342 		const struct extent_buffer *eb, const void *chunk_tree_uuid)  in write_extent_buffer_chunk_tree_uuid()  argument
344 	write_extent_buffer(eb, chunk_tree_uuid,  in write_extent_buffer_chunk_tree_uuid()
349 static inline void write_extent_buffer_fsid(const struct extent_buffer *eb,  in write_extent_buffer_fsid()  argument
352 	write_extent_buffer(eb, fsid, offsetof(struct btrfs_header, fsid),  in write_extent_buffer_fsid()
368 void memzero_extent_buffer(const struct extent_buffer *eb, unsigned long start,
370 bool extent_buffer_test_bit(const struct extent_buffer *eb, unsigned long start,
372 void extent_buffer_bitmap_set(const struct extent_buffer *eb, unsigned long start,
374 void extent_buffer_bitmap_clear(const struct extent_buffer *eb,
377 void set_extent_buffer_dirty(struct extent_buffer *eb);
378 void set_extent_buffer_uptodate(struct extent_buffer *eb);
379 void clear_extent_buffer_uptodate(struct extent_buffer *eb);
409 			       struct extent_buffer *eb);