352 	struct swap_cluster_info *ci;  in lock_cluster()  local
354 	ci = si->cluster_info;  in lock_cluster()
355 	if (ci) {  in lock_cluster()
356 		ci += offset / SWAPFILE_CLUSTER;  in lock_cluster()
357 		spin_lock(&ci->lock);  in lock_cluster()
359 	return ci;  in lock_cluster()
362 static inline void unlock_cluster(struct swap_cluster_info *ci)  in unlock_cluster()  argument
364 	if (ci)  in unlock_cluster()
365 		spin_unlock(&ci->lock);  in unlock_cluster()
375 	struct swap_cluster_info *ci;  in lock_cluster_or_swap_info()  local
378 	ci = lock_cluster(si, offset);  in lock_cluster_or_swap_info()
380 	if (!ci)  in lock_cluster_or_swap_info()
383 	return ci;  in lock_cluster_or_swap_info()
387 					       struct swap_cluster_info *ci)  in unlock_cluster_or_swap_info()  argument
389 	if (ci)  in unlock_cluster_or_swap_info()
390 		unlock_cluster(ci);  in unlock_cluster_or_swap_info()
412 				  struct swap_cluster_info *ci,  in cluster_list_add_tail()  argument
426 		ci_tail = ci + tail;  in cluster_list_add_tail()
435 					   struct swap_cluster_info *ci)  in cluster_list_del_first()  argument
445 				      cluster_next(&ci[idx]), 0);  in cluster_list_del_first()
470 	struct swap_cluster_info *ci = si->cluster_info;  in __free_cluster()  local
472 	cluster_set_flag(ci + idx, CLUSTER_FLAG_FREE);  in __free_cluster()
473 	cluster_list_add_tail(&si->free_clusters, ci, idx);  in __free_cluster()
482 	struct swap_cluster_info *info, *ci;  in swap_do_scheduled_discard()  local
495 		ci = lock_cluster(si, idx * SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
499 		unlock_cluster(ci);  in swap_do_scheduled_discard()
524 	struct swap_cluster_info *ci = si->cluster_info;  in alloc_cluster()  local
527 	cluster_list_del_first(&si->free_clusters, ci);  in alloc_cluster()
528 	cluster_set_count_flag(ci + idx, 0, 0);  in alloc_cluster()
533 	struct swap_cluster_info *ci = si->cluster_info + idx;  in free_cluster()  local
535 	VM_BUG_ON(cluster_count(ci) != 0);  in free_cluster()
622 	struct swap_cluster_info *ci;  in scan_swap_map_try_ssd_cluster()  local
654 		ci = lock_cluster(si, tmp);  in scan_swap_map_try_ssd_cluster()
660 		unlock_cluster(ci);  in scan_swap_map_try_ssd_cluster()
782 	struct swap_cluster_info *ci;  in scan_swap_map_slots()  local
874 	ci = lock_cluster(si, offset);  in scan_swap_map_slots()
878 		unlock_cluster(ci);  in scan_swap_map_slots()
889 		unlock_cluster(ci);  in scan_swap_map_slots()
897 	unlock_cluster(ci);  in scan_swap_map_slots()
998 	struct swap_cluster_info *ci;  in swap_alloc_cluster()  local
1015 	ci = lock_cluster(si, offset);  in swap_alloc_cluster()
1017 	cluster_set_count_flag(ci, SWAPFILE_CLUSTER, CLUSTER_FLAG_HUGE);  in swap_alloc_cluster()
1020 	unlock_cluster(ci);  in swap_alloc_cluster()
1030 	struct swap_cluster_info *ci;  in swap_free_cluster()  local
1032 	ci = lock_cluster(si, offset);  in swap_free_cluster()
1034 	cluster_set_count_flag(ci, 0, 0);  in swap_free_cluster()
1036 	unlock_cluster(ci);  in swap_free_cluster()
1304 	struct swap_cluster_info *ci;  in __swap_entry_free()  local
1308 	ci = lock_cluster_or_swap_info(p, offset);  in __swap_entry_free()
1310 	unlock_cluster_or_swap_info(p, ci);  in __swap_entry_free()
1319 	struct swap_cluster_info *ci;  in swap_entry_free()  local
1323 	ci = lock_cluster(p, offset);  in swap_entry_free()
1328 	unlock_cluster(ci);  in swap_entry_free()
1354 	struct swap_cluster_info *ci;  in put_swap_page()  local
1365 	ci = lock_cluster_or_swap_info(si, offset);  in put_swap_page()
1367 		VM_BUG_ON(!cluster_is_huge(ci));  in put_swap_page()
1375 		cluster_clear_huge(ci);  in put_swap_page()
1377 			unlock_cluster_or_swap_info(si, ci);  in put_swap_page()
1387 			unlock_cluster_or_swap_info(si, ci);  in put_swap_page()
1394 	unlock_cluster_or_swap_info(si, ci);  in put_swap_page()
1401 	struct swap_cluster_info *ci;  in split_swap_cluster()  local
1407 	ci = lock_cluster(si, offset);  in split_swap_cluster()
1408 	cluster_clear_huge(ci);  in split_swap_cluster()
1409 	unlock_cluster(ci);  in split_swap_cluster()
1458 	struct swap_cluster_info *ci;  in page_swapcount()  local
1466 		ci = lock_cluster_or_swap_info(p, offset);  in page_swapcount()
1468 		unlock_cluster_or_swap_info(p, ci);  in page_swapcount()
1491 	struct swap_cluster_info *ci;  in swap_swapcount()  local
1493 	ci = lock_cluster_or_swap_info(si, offset);  in swap_swapcount()
1495 	unlock_cluster_or_swap_info(si, ci);  in swap_swapcount()
1525 	struct swap_cluster_info *ci;  in swp_swapcount()  local
1536 	ci = lock_cluster_or_swap_info(p, offset);  in swp_swapcount()
1559 	unlock_cluster_or_swap_info(p, ci);  in swp_swapcount()
1566 	struct swap_cluster_info *ci;  in swap_page_trans_huge_swapped()  local
1573 	ci = lock_cluster_or_swap_info(si, offset);  in swap_page_trans_huge_swapped()
1574 	if (!ci || !cluster_is_huge(ci)) {  in swap_page_trans_huge_swapped()
1586 	unlock_cluster_or_swap_info(si, ci);  in swap_page_trans_huge_swapped()
1612 	struct swap_cluster_info *ci = NULL;  in page_trans_huge_map_swapcount()  local
1642 		ci = lock_cluster(si, offset);  in page_trans_huge_map_swapcount()
1652 	unlock_cluster(ci);  in page_trans_huge_map_swapcount()
3231 		unsigned long ci, nr_cluster;  in SYSCALL_DEFINE2()  local
3256 		for (ci = 0; ci < nr_cluster; ci++)  in SYSCALL_DEFINE2()
3257 			spin_lock_init(&((cluster_info + ci)->lock));  in SYSCALL_DEFINE2()
3430 	struct swap_cluster_info *ci;  in __swap_duplicate()  local
3441 	ci = lock_cluster_or_swap_info(p, offset);  in __swap_duplicate()
3484 	unlock_cluster_or_swap_info(p, ci);  in __swap_duplicate()
3573 	struct swap_cluster_info *ci;  in add_swap_count_continuation()  local
3599 	ci = lock_cluster(si, offset);  in add_swap_count_continuation()
3664 	unlock_cluster(ci);  in add_swap_count_continuation()