fs/btrfs/free-space-tree.c

76 	struct extent_buffer *leaf;
87 	leaf = path->nodes[0];
88 	info = btrfs_item_ptr(leaf, path->slots[0],
90 	btrfs_set_free_space_extent_count(leaf, info, 0);
91 	btrfs_set_free_space_flags(leaf, info, 0);
92 	btrfs_mark_buffer_dirty(trans, leaf);
213 	struct extent_buffer *leaf;
242 		leaf = path->nodes[0];
246 			btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0] - 1);
285 	leaf = path->nodes[0];
286 	flags = btrfs_free_space_flags(leaf, info);
288 	btrfs_set_free_space_flags(leaf, info, flags);
289 	expected_extent_count = btrfs_free_space_extent_count(leaf, info);
290 	btrfs_mark_buffer_dirty(trans, leaf);
323 		leaf = path->nodes[0];
324 		ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);
325 		write_extent_buffer(leaf, bitmap_cursor, ptr,
327 		btrfs_mark_buffer_dirty(trans, leaf);
351 	struct extent_buffer *leaf;
379 		leaf = path->nodes[0];
383 			btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0] - 1);
406 				ptr = btrfs_item_ptr_offset(leaf, path->slots[0] - 1);
407 				read_extent_buffer(leaf, bitmap_cursor, ptr,
428 	leaf = path->nodes[0];
429 	flags = btrfs_free_space_flags(leaf, info);
431 	btrfs_set_free_space_flags(leaf, info, flags);
432 	expected_extent_count = btrfs_free_space_extent_count(leaf, info);
433 	btrfs_mark_buffer_dirty(trans, leaf);
517 	struct extent_buffer *leaf;
522 	leaf = path->nodes[0];
523 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
530 	ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);
533 	return !!extent_buffer_test_bit(leaf, ptr, i);
542 	struct extent_buffer *leaf;
548 	leaf = path->nodes[0];
549 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
560 	ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);
564 		extent_buffer_bitmap_set(leaf, ptr, first, last - first);
566 		extent_buffer_bitmap_clear(leaf, ptr, first, last - first);
567 	btrfs_mark_buffer_dirty(trans, leaf);
1414 	struct extent_buffer *leaf;
1445 		leaf = path->nodes[0];
1449 			btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0] - 1);