fs/btrfs/defrag.c

36 	u64 root;
51 	if (defrag1->root > defrag2->root)
53 	else if (defrag1->root < defrag2->root)
75 	struct btrfs_fs_info *fs_info = inode->root->fs_info;
127 	struct btrfs_root *root = inode->root;
128 	struct btrfs_fs_info *fs_info = root->fs_info;
142 		transid = inode->root->last_trans;
150 	defrag->root = btrfs_root_id(root);
175 			struct btrfs_fs_info *fs_info, u64 root, u64 ino)
184 	tmp.root = root;
252 	inode_root = btrfs_get_fs_root(fs_info, defrag->root, true);
325 		root_objectid = defrag->root;
356 			      struct btrfs_root *root,
361 	struct btrfs_fs_info *fs_info = root->fs_info;
379 "unexpected transaction when attempting to reallocate parent %llu for root %llu, transaction %llu running transaction %llu fs generation %llu",
380 			   parent->start, btrfs_root_id(root), trans->transid,
425 		ret = btrfs_force_cow_block(trans, root, cur, parent, i,
451 			       struct btrfs_root *root)
461 	if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
470 	level = btrfs_header_level(root->node);
475 	if (root->defrag_progress.objectid == 0) {
479 		root_node = btrfs_lock_root_node(root);
481 		root->defrag_max.objectid = 0;
483 		btrfs_node_key_to_cpu(root_node, &root->defrag_max,
489 		memcpy(&key, &root->defrag_progress, sizeof(key));
494 	ret = btrfs_search_forward(root, &key, path, BTRFS_OLDEST_GENERATION);
508 	wret = btrfs_search_slot(trans, root, &key, path, 0, 1);
524 	ret = btrfs_realloc_node(trans, root,
527 				 &root->defrag_progress);
542 	next_key_ret = btrfs_find_next_key(root, path, &key, 1,
545 		memcpy(&root->defrag_progress, &key, sizeof(key));
551 		if (root->defrag_max.objectid > root->defrag_progress.objectid)
553 		if (root->defrag_max.type > root->defrag_progress.type)
555 		if (root->defrag_max.offset > root->defrag_progress.offset)
561 		memset(&root->defrag_progress, 0,
562 		       sizeof(root->defrag_progress));
570 int btrfs_defrag_root(struct btrfs_root *root)
572 	struct btrfs_fs_info *fs_info = root->fs_info;
575 	if (test_and_set_bit(BTRFS_ROOT_DEFRAG_RUNNING, &root->state))
581 		trans = btrfs_start_transaction(root, 0);
587 		ret = btrfs_defrag_leaves(trans, root);
602 	clear_bit(BTRFS_ROOT_DEFRAG_RUNNING, &root->state);
628 	struct btrfs_root *root = inode->root;
647 		ret = btrfs_search_forward(root, &key, &path, newer_than);
654 		ret = btrfs_search_slot(NULL, root, &key, &path, 0, 0);
733 		ret = btrfs_next_item(root, &path);
759 	const u32 sectorsize = BTRFS_I(inode)->root->fs_info->sectorsize;
973 	struct btrfs_fs_info *fs_info = inode->root->fs_info;
996 		    em->len <= inode->root->fs_info->max_inline)
1168 	struct btrfs_fs_info *fs_info = inode->root->fs_info;
1209 	const u32 sectorsize = inode->root->fs_info->sectorsize;
1284 	const u32 sectorsize = inode->root->fs_info->sectorsize;
1335 				      inode->root->fs_info->sectorsize_bits;