Lines Matching refs:path
168 struct btrfs_path *path; in btrfs_insert_hole_extent() local
171 path = btrfs_alloc_path(); in btrfs_insert_hole_extent()
172 if (!path) in btrfs_insert_hole_extent()
178 ret = btrfs_insert_empty_item(trans, root, path, &file_key, in btrfs_insert_hole_extent()
183 leaf = path->nodes[0]; in btrfs_insert_hole_extent()
184 item = btrfs_item_ptr(leaf, path->slots[0], in btrfs_insert_hole_extent()
199 btrfs_free_path(path); in btrfs_insert_hole_extent()
206 struct btrfs_path *path, in btrfs_lookup_csum() argument
222 ret = btrfs_search_slot(trans, root, &file_key, path, 0, cow); in btrfs_lookup_csum()
225 leaf = path->nodes[0]; in btrfs_lookup_csum()
228 if (path->slots[0] == 0) in btrfs_lookup_csum()
230 path->slots[0]--; in btrfs_lookup_csum()
231 btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); in btrfs_lookup_csum()
237 csums_in_item = btrfs_item_size(leaf, path->slots[0]); in btrfs_lookup_csum()
247 item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_csum_item); in btrfs_lookup_csum()
259 struct btrfs_path *path, u64 objectid, in btrfs_lookup_file_extent() argument
270 return btrfs_search_slot(trans, root, &file_key, path, ins_len, cow); in btrfs_lookup_file_extent()
283 struct btrfs_path *path, u64 disk_bytenr, in search_csum_tree() argument
300 if (path->nodes[0]) { in search_csum_tree()
301 item = btrfs_item_ptr(path->nodes[0], path->slots[0], in search_csum_tree()
303 btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]); in search_csum_tree()
304 itemsize = btrfs_item_size(path->nodes[0], path->slots[0]); in search_csum_tree()
314 btrfs_release_path(path); in search_csum_tree()
316 item = btrfs_lookup_csum(NULL, csum_root, path, disk_bytenr, 0); in search_csum_tree()
321 btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]); in search_csum_tree()
322 itemsize = btrfs_item_size(path->nodes[0], path->slots[0]); in search_csum_tree()
331 read_extent_buffer(path->nodes[0], dst, (unsigned long)item, in search_csum_tree()
349 struct btrfs_path *path; in btrfs_lookup_bio_sums() local
375 path = btrfs_alloc_path(); in btrfs_lookup_bio_sums()
376 if (!path) in btrfs_lookup_bio_sums()
382 btrfs_free_path(path); in btrfs_lookup_bio_sums()
394 path->reada = READA_FORWARD; in btrfs_lookup_bio_sums()
403 path->search_commit_root = 1; in btrfs_lookup_bio_sums()
404 path->skip_locking = 1; in btrfs_lookup_bio_sums()
413 count = search_csum_tree(fs_info, path, cur_disk_bytenr, in btrfs_lookup_bio_sums()
453 btrfs_free_path(path); in btrfs_lookup_bio_sums()
463 struct btrfs_path *path; in btrfs_lookup_csums_list() local
473 path = btrfs_alloc_path(); in btrfs_lookup_csums_list()
474 if (!path) in btrfs_lookup_csums_list()
477 path->nowait = nowait; in btrfs_lookup_csums_list()
479 path->skip_locking = 1; in btrfs_lookup_csums_list()
480 path->reada = READA_FORWARD; in btrfs_lookup_csums_list()
481 path->search_commit_root = 1; in btrfs_lookup_csums_list()
488 ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); in btrfs_lookup_csums_list()
491 if (ret > 0 && path->slots[0] > 0) { in btrfs_lookup_csums_list()
492 leaf = path->nodes[0]; in btrfs_lookup_csums_list()
493 btrfs_item_key_to_cpu(leaf, &key, path->slots[0] - 1); in btrfs_lookup_csums_list()
513 btrfs_item_size(leaf, path->slots[0] - 1)) in btrfs_lookup_csums_list()
514 path->slots[0]--; in btrfs_lookup_csums_list()
521 leaf = path->nodes[0]; in btrfs_lookup_csums_list()
522 if (path->slots[0] >= btrfs_header_nritems(leaf)) { in btrfs_lookup_csums_list()
523 ret = btrfs_next_leaf(root, path); in btrfs_lookup_csums_list()
528 leaf = path->nodes[0]; in btrfs_lookup_csums_list()
531 btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); in btrfs_lookup_csums_list()
541 btrfs_item_size(leaf, path->slots[0])); in btrfs_lookup_csums_list()
543 path->slots[0]++; in btrfs_lookup_csums_list()
548 item = btrfs_item_ptr(path->nodes[0], path->slots[0], in btrfs_lookup_csums_list()
568 read_extent_buffer(path->nodes[0], in btrfs_lookup_csums_list()
576 path->slots[0]++; in btrfs_lookup_csums_list()
587 btrfs_free_path(path); in btrfs_lookup_csums_list()
600 int btrfs_lookup_csums_bitmap(struct btrfs_root *root, struct btrfs_path *path, in btrfs_lookup_csums_bitmap() argument
615 if (!path) { in btrfs_lookup_csums_bitmap()
616 path = btrfs_alloc_path(); in btrfs_lookup_csums_bitmap()
617 if (!path) in btrfs_lookup_csums_bitmap()
623 if (path->nodes[0]) { in btrfs_lookup_csums_bitmap()
624 btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]); in btrfs_lookup_csums_bitmap()
630 btrfs_release_path(path); in btrfs_lookup_csums_bitmap()
637 ret = btrfs_search_slot(NULL, root, &key, path, 0, 0); in btrfs_lookup_csums_bitmap()
640 if (ret > 0 && path->slots[0] > 0) { in btrfs_lookup_csums_bitmap()
641 leaf = path->nodes[0]; in btrfs_lookup_csums_bitmap()
642 btrfs_item_key_to_cpu(leaf, &key, path->slots[0] - 1); in btrfs_lookup_csums_bitmap()
662 btrfs_item_size(leaf, path->slots[0] - 1)) in btrfs_lookup_csums_bitmap()
663 path->slots[0]--; in btrfs_lookup_csums_bitmap()
671 leaf = path->nodes[0]; in btrfs_lookup_csums_bitmap()
672 if (path->slots[0] >= btrfs_header_nritems(leaf)) { in btrfs_lookup_csums_bitmap()
673 ret = btrfs_next_leaf(root, path); in btrfs_lookup_csums_bitmap()
678 leaf = path->nodes[0]; in btrfs_lookup_csums_bitmap()
681 btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); in btrfs_lookup_csums_bitmap()
691 btrfs_item_size(leaf, path->slots[0])); in btrfs_lookup_csums_bitmap()
693 path->slots[0]++; in btrfs_lookup_csums_bitmap()
698 item = btrfs_item_ptr(path->nodes[0], path->slots[0], in btrfs_lookup_csums_bitmap()
710 read_extent_buffer(path->nodes[0], csum_dest, in btrfs_lookup_csums_bitmap()
720 path->slots[0]++; in btrfs_lookup_csums_bitmap()
725 btrfs_free_path(path); in btrfs_lookup_csums_bitmap()
815 struct btrfs_path *path, in truncate_one_csum() argument
825 leaf = path->nodes[0]; in truncate_one_csum()
826 csum_end = btrfs_item_size(leaf, path->slots[0]) / csum_size; in truncate_one_csum()
839 btrfs_truncate_item(path, new_size, 1); in truncate_one_csum()
851 btrfs_truncate_item(path, new_size, 0); in truncate_one_csum()
854 btrfs_set_item_key_safe(fs_info, path, key); in truncate_one_csum()
867 struct btrfs_path *path; in btrfs_del_csums() local
879 path = btrfs_alloc_path(); in btrfs_del_csums()
880 if (!path) in btrfs_del_csums()
888 ret = btrfs_search_slot(trans, root, &key, path, -1, 1); in btrfs_del_csums()
891 if (path->slots[0] == 0) in btrfs_del_csums()
893 path->slots[0]--; in btrfs_del_csums()
898 leaf = path->nodes[0]; in btrfs_del_csums()
899 btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); in btrfs_del_csums()
909 csum_end = btrfs_item_size(leaf, path->slots[0]) / csum_size; in btrfs_del_csums()
926 if (key.offset > bytenr && path->slots[0] > 0) { in btrfs_del_csums()
927 int slot = path->slots[0] - 1; in btrfs_del_csums()
938 path->slots[0] = slot; in btrfs_del_csums()
944 ret = btrfs_del_items(trans, root, path, in btrfs_del_csums()
945 path->slots[0], del_nr); in btrfs_del_csums()
978 path->slots[0]); in btrfs_del_csums()
988 ret = btrfs_split_item(trans, root, path, &key, offset); in btrfs_del_csums()
997 truncate_one_csum(fs_info, path, &key, bytenr, len); in btrfs_del_csums()
1001 btrfs_release_path(path); in btrfs_del_csums()
1003 btrfs_free_path(path); in btrfs_del_csums()
1008 struct btrfs_path *path, in find_next_csum_offset() argument
1011 const u32 nritems = btrfs_header_nritems(path->nodes[0]); in find_next_csum_offset()
1013 int slot = path->slots[0] + 1; in find_next_csum_offset()
1017 ret = btrfs_next_leaf(root, path); in find_next_csum_offset()
1024 slot = path->slots[0]; in find_next_csum_offset()
1027 btrfs_item_key_to_cpu(path->nodes[0], &found_key, slot); in find_next_csum_offset()
1045 struct btrfs_path *path; in btrfs_csum_file_blocks() local
1059 path = btrfs_alloc_path(); in btrfs_csum_file_blocks()
1060 if (!path) in btrfs_csum_file_blocks()
1070 item = btrfs_lookup_csum(trans, root, path, bytenr, 1); in btrfs_csum_file_blocks()
1073 leaf = path->nodes[0]; in btrfs_csum_file_blocks()
1074 item_end = btrfs_item_ptr(leaf, path->slots[0], in btrfs_csum_file_blocks()
1077 btrfs_item_size(leaf, path->slots[0])); in btrfs_csum_file_blocks()
1087 leaf = path->nodes[0]; in btrfs_csum_file_blocks()
1088 item_size = btrfs_item_size(leaf, path->slots[0]); in btrfs_csum_file_blocks()
1096 ret = find_next_csum_offset(root, path, &next_offset); in btrfs_csum_file_blocks()
1114 btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); in btrfs_csum_file_blocks()
1120 btrfs_release_path(path); in btrfs_csum_file_blocks()
1121 path->search_for_extension = 1; in btrfs_csum_file_blocks()
1122 ret = btrfs_search_slot(trans, root, &file_key, path, in btrfs_csum_file_blocks()
1124 path->search_for_extension = 0; in btrfs_csum_file_blocks()
1129 if (path->slots[0] == 0) in btrfs_csum_file_blocks()
1131 path->slots[0]--; in btrfs_csum_file_blocks()
1134 leaf = path->nodes[0]; in btrfs_csum_file_blocks()
1135 btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); in btrfs_csum_file_blocks()
1145 if (csum_offset == btrfs_item_size(leaf, path->slots[0]) / in btrfs_csum_file_blocks()
1178 if (path->slots[0] + 1 >= in btrfs_csum_file_blocks()
1179 btrfs_header_nritems(path->nodes[0])) { in btrfs_csum_file_blocks()
1180 ret = find_next_csum_offset(root, path, &next_offset); in btrfs_csum_file_blocks()
1187 ret = find_next_csum_offset(root, path, &next_offset); in btrfs_csum_file_blocks()
1200 diff = diff - btrfs_item_size(leaf, path->slots[0]); in btrfs_csum_file_blocks()
1205 btrfs_extend_item(path, diff); in btrfs_csum_file_blocks()
1211 btrfs_release_path(path); in btrfs_csum_file_blocks()
1227 ret = btrfs_insert_empty_item(trans, root, path, &file_key, in btrfs_csum_file_blocks()
1233 leaf = path->nodes[0]; in btrfs_csum_file_blocks()
1235 item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_csum_item); in btrfs_csum_file_blocks()
1237 btrfs_item_size(leaf, path->slots[0])); in btrfs_csum_file_blocks()
1252 btrfs_mark_buffer_dirty(path->nodes[0]); in btrfs_csum_file_blocks()
1254 btrfs_release_path(path); in btrfs_csum_file_blocks()
1259 btrfs_free_path(path); in btrfs_csum_file_blocks()
1264 const struct btrfs_path *path, in btrfs_extent_item_to_extent_map() argument
1270 struct extent_buffer *leaf = path->nodes[0]; in btrfs_extent_item_to_extent_map()
1271 const int slot = path->slots[0]; in btrfs_extent_item_to_extent_map()
1280 extent_end = btrfs_file_extent_end(path); in btrfs_extent_item_to_extent_map()
1333 u64 btrfs_file_extent_end(const struct btrfs_path *path) in btrfs_file_extent_end() argument
1335 const struct extent_buffer *leaf = path->nodes[0]; in btrfs_file_extent_end()
1336 const int slot = path->slots[0]; in btrfs_file_extent_end()