prev_ex           426 fs/f2fs/extent_cache.c 				struct extent_node *prev_ex,
prev_ex           431 fs/f2fs/extent_cache.c 	if (prev_ex && __is_back_mergeable(ei, &prev_ex->ei)) {
prev_ex           432 fs/f2fs/extent_cache.c 		prev_ex->ei.len += ei->len;
prev_ex           433 fs/f2fs/extent_cache.c 		ei = &prev_ex->ei;
prev_ex           434 fs/f2fs/extent_cache.c 		en = prev_ex;
prev_ex           442 fs/f2fs/extent_cache.c 			__release_extent_node(sbi, et, prev_ex);