Lines Matching defs:em_cached
941 u64 start, u64 len, struct extent_map **em_cached)
945 if (em_cached && *em_cached) {
946 em = *em_cached;
954 *em_cached = NULL;
958 if (em_cached && !IS_ERR(em)) {
959 BUG_ON(*em_cached);
961 *em_cached = em;
972 static int btrfs_do_readpage(struct page *page, struct extent_map **em_cached,
1021 end - cur + 1, em_cached);
1146 struct extent_map **em_cached,
1156 btrfs_do_readpage(pages[index], em_cached, bio_ctrl,
2241 struct extent_map *em_cached = NULL;
2250 &em_cached, &bio_ctrl, &prev_em_start);
2253 if (em_cached)
2254 free_extent_map(em_cached);