Lines Matching refs:em

3070 	struct extent_map *em;  local
3073 	em = alloc_extent_map();
3074 	if (!em)
3077 	em->start = start;
3078 	em->len = end + 1 - start;
3079 	em->block_len = em->len;
3080 	em->block_start = block_start;
3081 	em->bdev = root->fs_info->fs_devices->latest_bdev;
3082 	set_bit(EXTENT_FLAG_PINNED, &em->flags);
3087 		ret = add_extent_mapping(em_tree, em, 0);
3090 			free_extent_map(em);