119 int btrfs_buffer_uptodate(struct extent_buffer *eb, u64 parent_transid, int atomic)  in btrfs_buffer_uptodate()  argument
121 	if (!extent_buffer_uptodate(eb))  in btrfs_buffer_uptodate()
124 	if (!parent_transid || btrfs_header_generation(eb) == parent_transid)  in btrfs_buffer_uptodate()
130 	if (!extent_buffer_uptodate(eb) ||  in btrfs_buffer_uptodate()
131 	    btrfs_header_generation(eb) != parent_transid) {  in btrfs_buffer_uptodate()
132 		btrfs_err_rl(eb->fs_info,  in btrfs_buffer_uptodate()
134 			eb->start, eb->read_mirror,  in btrfs_buffer_uptodate()
135 			parent_transid, btrfs_header_generation(eb));  in btrfs_buffer_uptodate()
136 		clear_extent_buffer_uptodate(eb);  in btrfs_buffer_uptodate()
181 static int btrfs_repair_eb_io_failure(const struct extent_buffer *eb,  in btrfs_repair_eb_io_failure()  argument
184 	struct btrfs_fs_info *fs_info = eb->fs_info;  in btrfs_repair_eb_io_failure()
185 	int num_folios = num_extent_folios(eb);  in btrfs_repair_eb_io_failure()
192 		struct folio *folio = eb->folios[i];  in btrfs_repair_eb_io_failure()
193 		u64 start = max_t(u64, eb->start, folio_pos(folio));  in btrfs_repair_eb_io_failure()
194 		u64 end = min_t(u64, eb->start + eb->len,  in btrfs_repair_eb_io_failure()
195 				folio_pos(folio) + eb->folio_size);  in btrfs_repair_eb_io_failure()
215 int btrfs_read_extent_buffer(struct extent_buffer *eb,  in btrfs_read_extent_buffer()  argument
218 	struct btrfs_fs_info *fs_info = eb->fs_info;  in btrfs_read_extent_buffer()
228 		clear_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);  in btrfs_read_extent_buffer()
229 		ret = read_extent_buffer_pages(eb, mirror_num, check);  in btrfs_read_extent_buffer()
234 					      eb->start, eb->len);  in btrfs_read_extent_buffer()
240 			failed_mirror = eb->read_mirror;  in btrfs_read_extent_buffer()
252 		btrfs_repair_eb_io_failure(eb, failed_mirror);  in btrfs_read_extent_buffer()
262 	struct extent_buffer *eb = bbio->private;  in btree_csum_one_bio()  local
263 	struct btrfs_fs_info *fs_info = eb->fs_info;  in btree_csum_one_bio()
264 	u64 found_start = btrfs_header_bytenr(eb);  in btree_csum_one_bio()
270 	if (WARN_ON_ONCE(bbio->file_offset != eb->start))  in btree_csum_one_bio()
272 	if (WARN_ON_ONCE(bbio->bio.bi_iter.bi_size != eb->len))  in btree_csum_one_bio()
280 	if (test_bit(EXTENT_BUFFER_ZONED_ZEROOUT, &eb->bflags)) {  in btree_csum_one_bio()
281 		memzero_extent_buffer(eb, 0, eb->len);  in btree_csum_one_bio()
285 	if (WARN_ON_ONCE(found_start != eb->start))  in btree_csum_one_bio()
287 	if (WARN_ON(!btrfs_folio_test_uptodate(fs_info, eb->folios[0],  in btree_csum_one_bio()
288 					       eb->start, eb->len)))  in btree_csum_one_bio()
291 	ASSERT(memcmp_extent_buffer(eb, fs_info->fs_devices->metadata_uuid,  in btree_csum_one_bio()
294 	csum_tree_block(eb, result);  in btree_csum_one_bio()
296 	if (btrfs_header_level(eb))  in btree_csum_one_bio()
297 		ret = btrfs_check_node(eb);  in btree_csum_one_bio()
299 		ret = btrfs_check_leaf(eb);  in btree_csum_one_bio()
309 	if (unlikely(btrfs_header_generation(eb) <= last_trans)) {  in btree_csum_one_bio()
313 			  eb->start, btrfs_header_generation(eb), last_trans);  in btree_csum_one_bio()
316 	write_extent_buffer(eb, result, 0, fs_info->csum_size);  in btree_csum_one_bio()
320 	btrfs_print_tree(eb, 0);  in btree_csum_one_bio()
322 		  eb->start);  in btree_csum_one_bio()
330 		btrfs_header_owner(eb) == BTRFS_TREE_LOG_OBJECTID);  in btree_csum_one_bio()
334 static bool check_tree_block_fsid(struct extent_buffer *eb)  in check_tree_block_fsid()  argument
336 	struct btrfs_fs_info *fs_info = eb->fs_info;  in check_tree_block_fsid()
340 	read_extent_buffer(eb, fsid, offsetof(struct btrfs_header, fsid),  in check_tree_block_fsid()
360 int btrfs_validate_extent_buffer(struct extent_buffer *eb,  in btrfs_validate_extent_buffer()  argument
363 	struct btrfs_fs_info *fs_info = eb->fs_info;  in btrfs_validate_extent_buffer()
374 	found_start = btrfs_header_bytenr(eb);  in btrfs_validate_extent_buffer()
375 	if (found_start != eb->start) {  in btrfs_validate_extent_buffer()
378 			     eb->read_mirror, eb->start, found_start);  in btrfs_validate_extent_buffer()
382 	if (check_tree_block_fsid(eb)) {  in btrfs_validate_extent_buffer()
384 			     eb->start, eb->read_mirror);  in btrfs_validate_extent_buffer()
388 	found_level = btrfs_header_level(eb);  in btrfs_validate_extent_buffer()
392 			eb->read_mirror, btrfs_header_level(eb), eb->start);  in btrfs_validate_extent_buffer()
397 	csum_tree_block(eb, result);  in btrfs_validate_extent_buffer()
398 	header_csum = folio_address(eb->folios[0]) +  in btrfs_validate_extent_buffer()
399 		get_eb_offset_in_folio(eb, offsetof(struct btrfs_header, csum));  in btrfs_validate_extent_buffer()
404 			      eb->start, eb->read_mirror,  in btrfs_validate_extent_buffer()
407 			      btrfs_header_level(eb),  in btrfs_validate_extent_buffer()
418 			  eb->start, eb->read_mirror, check->level, found_level);  in btrfs_validate_extent_buffer()
423 		     btrfs_header_generation(eb) != check->transid)) {  in btrfs_validate_extent_buffer()
424 		btrfs_err_rl(eb->fs_info,  in btrfs_validate_extent_buffer()
426 				eb->start, eb->read_mirror, check->transid,  in btrfs_validate_extent_buffer()
427 				btrfs_header_generation(eb));  in btrfs_validate_extent_buffer()
436 			btrfs_node_key_to_cpu(eb, &found_key, 0);  in btrfs_validate_extent_buffer()
438 			btrfs_item_key_to_cpu(eb, &found_key, 0);  in btrfs_validate_extent_buffer()
442 				  eb->start, check->transid,  in btrfs_validate_extent_buffer()
452 		ret = btrfs_check_eb_owner(eb, check->owner_root);  in btrfs_validate_extent_buffer()
462 	if (found_level == 0 && btrfs_check_leaf(eb)) {  in btrfs_validate_extent_buffer()
463 		set_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags);  in btrfs_validate_extent_buffer()
467 	if (found_level > 0 && btrfs_check_node(eb))  in btrfs_validate_extent_buffer()
473 			  eb->start, eb->read_mirror);  in btrfs_validate_extent_buffer()
554 	struct extent_buffer *eb;  in btree_dirty_folio()  local
559 		eb = folio_get_private(folio);  in btree_dirty_folio()
560 		BUG_ON(!eb);  in btree_dirty_folio()
561 		BUG_ON(!test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags));  in btree_dirty_folio()
562 		BUG_ON(!atomic_read(&eb->refs));  in btree_dirty_folio()
563 		btrfs_assert_tree_write_locked(eb);  in btree_dirty_folio()
584 		eb = find_extent_buffer(fs_info, cur);  in btree_dirty_folio()
585 		ASSERT(eb);  in btree_dirty_folio()
586 		ASSERT(test_bit(EXTENT_BUFFER_DIRTY, &eb->bflags));  in btree_dirty_folio()
587 		ASSERT(atomic_read(&eb->refs));  in btree_dirty_folio()
588 		btrfs_assert_tree_write_locked(eb);  in btree_dirty_folio()
589 		free_extent_buffer(eb);  in btree_dirty_folio()
4673 	struct extent_buffer *eb;  in btrfs_destroy_marked_extents()  local
4681 			eb = find_extent_buffer(fs_info, start);  in btrfs_destroy_marked_extents()
4683 			if (!eb)  in btrfs_destroy_marked_extents()
4686 			btrfs_tree_lock(eb);  in btrfs_destroy_marked_extents()
4687 			wait_on_extent_buffer_writeback(eb);  in btrfs_destroy_marked_extents()
4688 			btrfs_clear_buffer_dirty(NULL, eb);  in btrfs_destroy_marked_extents()
4689 			btrfs_tree_unlock(eb);  in btrfs_destroy_marked_extents()
4691 			free_extent_buffer_stale(eb);  in btrfs_destroy_marked_extents()