fs/btrfs/relocation.c

958 	struct extent_buffer *leaf;
975 	leaf = path->nodes[0];
976 	fi = btrfs_item_ptr(leaf, path->slots[0],
979 	BUG_ON(btrfs_file_extent_offset(leaf, fi) ||
980 	       btrfs_file_extent_compression(leaf, fi) ||
981 	       btrfs_file_extent_encryption(leaf, fi) ||
982 	       btrfs_file_extent_other_encoding(leaf, fi));
984 	if (num_bytes != btrfs_file_extent_disk_num_bytes(leaf, fi)) {
989 	*new_bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
997  * update file extent items in the tree leaf to point to
1004 			 struct extent_buffer *leaf)
1026 		parent = leaf->start;
1030 	nritems = btrfs_header_nritems(leaf);
1035 		btrfs_item_key_to_cpu(leaf, &key, i);
1038 		fi = btrfs_item_ptr(leaf, i, struct btrfs_file_extent_item);
1039 		if (btrfs_file_extent_type(leaf, fi) ==
1042 		bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
1043 		num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi);
1066 				      btrfs_file_extent_num_bytes(leaf, fi);
1098 		btrfs_set_file_extent_disk_bytenr(leaf, fi, new_bytenr);
1101 		key.offset -= btrfs_file_extent_offset(leaf, fi);
1107 		ref.ref_root = btrfs_header_owner(leaf);
1121 		ref.ref_root = btrfs_header_owner(leaf);
1131 		btrfs_mark_buffer_dirty(trans, leaf);
1666 	struct extent_buffer *leaf;
1796 	leaf = btrfs_lock_root_node(root);
1797 	ret = btrfs_cow_block(trans, root, leaf, NULL, 0, &leaf,
1799 	btrfs_tree_unlock(leaf);
1800 	free_extent_buffer(leaf);
2444 		"lowest leaf/node mismatch: bytenr %llu node->bytenr %llu slot %d upper %llu",
3398  * Locate the free space cache EXTENT_DATA in root tree leaf and delete the
3401 static int delete_v1_space_cache(struct extent_buffer *leaf,
3412 	if (btrfs_header_owner(leaf) != BTRFS_ROOT_TREE_OBJECTID)
3415 	for (i = 0; i < btrfs_header_nritems(leaf); i++) {
3418 		btrfs_item_key_to_cpu(leaf, &key, i);
3421 		ei = btrfs_item_ptr(leaf, i, struct btrfs_file_extent_item);
3422 		type = btrfs_file_extent_type(leaf, ei);
3426 		    btrfs_file_extent_disk_bytenr(leaf, ei) == data_bytenr) {
3434 	ret = delete_block_group_cache(leaf->fs_info, block_group, NULL,
3497 	struct extent_buffer *leaf;
3522 		leaf = path->nodes[0];
3523 		if (path->slots[0] >= btrfs_header_nritems(leaf)) {
3527 			leaf = path->nodes[0];
3530 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
3828 	struct extent_buffer *leaf;
3839 	leaf = path->nodes[0];
3840 	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_inode_item);
3841 	memzero_extent_buffer(leaf, (unsigned long)item, sizeof(*item));
3842 	btrfs_set_inode_generation(leaf, item, 1);
3843 	btrfs_set_inode_size(leaf, item, 0);
3844 	btrfs_set_inode_mode(leaf, item, S_IFREG | 0600);
3845 	btrfs_set_inode_flags(leaf, item, BTRFS_INODE_NOCOMPRESS |
3847 	btrfs_mark_buffer_dirty(trans, leaf);
4221 	struct extent_buffer *leaf;
4248 		leaf = path->nodes[0];
4249 		btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);