Lines Matching refs:em
330 struct extent_map *em; in add_ra_bio_pages() local
406 em = lookup_extent_mapping(em_tree, cur, page_end + 1 - cur); in add_ra_bio_pages()
414 if (!em || cur < em->start || in add_ra_bio_pages()
415 (cur + fs_info->sectorsize > extent_map_end(em)) || in add_ra_bio_pages()
416 (em->block_start >> SECTOR_SHIFT) != orig_bio->bi_iter.bi_sector) { in add_ra_bio_pages()
417 free_extent_map(em); in add_ra_bio_pages()
423 free_extent_map(em); in add_ra_bio_pages()
435 add_size = min(em->start + em->len, page_end + 1) - cur; in add_ra_bio_pages()
477 struct extent_map *em; in btrfs_submit_compressed_read() local
485 em = lookup_extent_mapping(em_tree, file_offset, fs_info->sectorsize); in btrfs_submit_compressed_read()
487 if (!em) { in btrfs_submit_compressed_read()
492 ASSERT(em->compress_type != BTRFS_COMPRESS_NONE); in btrfs_submit_compressed_read()
493 compressed_len = em->block_len; in btrfs_submit_compressed_read()
498 cb->start = em->orig_start; in btrfs_submit_compressed_read()
499 em_len = em->len; in btrfs_submit_compressed_read()
500 em_start = em->start; in btrfs_submit_compressed_read()
504 cb->compress_type = em->compress_type; in btrfs_submit_compressed_read()
507 free_extent_map(em); in btrfs_submit_compressed_read()