Lines Matching refs:em
507 struct extent_map *em; in add_ra_bio_pages() local
556 em = lookup_extent_mapping(em_tree, last_offset, in add_ra_bio_pages()
560 if (!em || last_offset < em->start || in add_ra_bio_pages()
561 (last_offset + PAGE_SIZE > extent_map_end(em)) || in add_ra_bio_pages()
562 (em->block_start >> 9) != cb->orig_bio->bi_iter.bi_sector) { in add_ra_bio_pages()
563 free_extent_map(em); in add_ra_bio_pages()
569 free_extent_map(em); in add_ra_bio_pages()
628 struct extent_map *em; in btrfs_submit_compressed_read() local
638 em = lookup_extent_mapping(em_tree, in btrfs_submit_compressed_read()
642 if (!em) in btrfs_submit_compressed_read()
645 compressed_len = em->block_len; in btrfs_submit_compressed_read()
656 cb->start = em->orig_start; in btrfs_submit_compressed_read()
657 em_len = em->len; in btrfs_submit_compressed_read()
658 em_start = em->start; in btrfs_submit_compressed_read()
660 free_extent_map(em); in btrfs_submit_compressed_read()
661 em = NULL; in btrfs_submit_compressed_read()
777 free_extent_map(em); in btrfs_submit_compressed_read()