341 	struct swap_cluster_info *ci;  in lock_cluster()  local
343 	ci = si->cluster_info;  in lock_cluster()
344 	if (ci) {  in lock_cluster()
345 		ci += offset / SWAPFILE_CLUSTER;  in lock_cluster()
346 		spin_lock(&ci->lock);  in lock_cluster()
348 	return ci;  in lock_cluster()
351 static inline void unlock_cluster(struct swap_cluster_info *ci)  in unlock_cluster()  argument
353 	if (ci)  in unlock_cluster()
354 		spin_unlock(&ci->lock);  in unlock_cluster()
364 	struct swap_cluster_info *ci;  in lock_cluster_or_swap_info()  local
367 	ci = lock_cluster(si, offset);  in lock_cluster_or_swap_info()
369 	if (!ci)  in lock_cluster_or_swap_info()
372 	return ci;  in lock_cluster_or_swap_info()
376 					       struct swap_cluster_info *ci)  in unlock_cluster_or_swap_info()  argument
378 	if (ci)  in unlock_cluster_or_swap_info()
379 		unlock_cluster(ci);  in unlock_cluster_or_swap_info()
401 				  struct swap_cluster_info *ci,  in cluster_list_add_tail()  argument
415 		ci_tail = ci + tail;  in cluster_list_add_tail()
424 					   struct swap_cluster_info *ci)  in cluster_list_del_first()  argument
434 				      cluster_next(&ci[idx]), 0);  in cluster_list_del_first()
459 	struct swap_cluster_info *ci = si->cluster_info;  in __free_cluster()  local
461 	cluster_set_flag(ci + idx, CLUSTER_FLAG_FREE);  in __free_cluster()
462 	cluster_list_add_tail(&si->free_clusters, ci, idx);  in __free_cluster()
471 	struct swap_cluster_info *info, *ci;  in swap_do_scheduled_discard()  local
484 		ci = lock_cluster(si, idx * SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
488 		unlock_cluster(ci);  in swap_do_scheduled_discard()
505 	struct swap_cluster_info *ci = si->cluster_info;  in alloc_cluster()  local
508 	cluster_list_del_first(&si->free_clusters, ci);  in alloc_cluster()
509 	cluster_set_count_flag(ci + idx, 0, 0);  in alloc_cluster()
514 	struct swap_cluster_info *ci = si->cluster_info + idx;  in free_cluster()  local
516 	VM_BUG_ON(cluster_count(ci) != 0);  in free_cluster()
603 	struct swap_cluster_info *ci;  in scan_swap_map_try_ssd_cluster()  local
639 	ci = lock_cluster(si, tmp);  in scan_swap_map_try_ssd_cluster()
647 	unlock_cluster(ci);  in scan_swap_map_try_ssd_cluster()
736 	struct swap_cluster_info *ci;  in scan_swap_map_slots()  local
825 	ci = lock_cluster(si, offset);  in scan_swap_map_slots()
829 		unlock_cluster(ci);  in scan_swap_map_slots()
840 		unlock_cluster(ci);  in scan_swap_map_slots()
848 	unlock_cluster(ci);  in scan_swap_map_slots()
932 	struct swap_cluster_info *ci;  in swap_alloc_cluster()  local
950 	ci = lock_cluster(si, offset);  in swap_alloc_cluster()
952 	cluster_set_count_flag(ci, SWAPFILE_CLUSTER, CLUSTER_FLAG_HUGE);  in swap_alloc_cluster()
957 	unlock_cluster(ci);  in swap_alloc_cluster()
967 	struct swap_cluster_info *ci;  in swap_free_cluster()  local
969 	ci = lock_cluster(si, offset);  in swap_free_cluster()
971 	cluster_set_count_flag(ci, 0, 0);  in swap_free_cluster()
973 	unlock_cluster(ci);  in swap_free_cluster()
1280 	struct swap_cluster_info *ci;  in __swap_entry_free()  local
1283 	ci = lock_cluster_or_swap_info(p, offset);  in __swap_entry_free()
1285 	unlock_cluster_or_swap_info(p, ci);  in __swap_entry_free()
1294 	struct swap_cluster_info *ci;  in swap_entry_free()  local
1298 	ci = lock_cluster(p, offset);  in swap_entry_free()
1303 	unlock_cluster(ci);  in swap_entry_free()
1329 	struct swap_cluster_info *ci;  in put_swap_page()  local
1340 	ci = lock_cluster_or_swap_info(si, offset);  in put_swap_page()
1342 		VM_BUG_ON(!cluster_is_huge(ci));  in put_swap_page()
1350 		cluster_clear_huge(ci);  in put_swap_page()
1352 			unlock_cluster_or_swap_info(si, ci);  in put_swap_page()
1362 			unlock_cluster_or_swap_info(si, ci);  in put_swap_page()
1369 	unlock_cluster_or_swap_info(si, ci);  in put_swap_page()
1376 	struct swap_cluster_info *ci;  in split_swap_cluster()  local
1382 	ci = lock_cluster(si, offset);  in split_swap_cluster()
1383 	cluster_clear_huge(ci);  in split_swap_cluster()
1384 	unlock_cluster(ci);  in split_swap_cluster()
1433 	struct swap_cluster_info *ci;  in page_swapcount()  local
1441 		ci = lock_cluster_or_swap_info(p, offset);  in page_swapcount()
1443 		unlock_cluster_or_swap_info(p, ci);  in page_swapcount()
1466 	struct swap_cluster_info *ci;  in swap_swapcount()  local
1468 	ci = lock_cluster_or_swap_info(si, offset);  in swap_swapcount()
1470 	unlock_cluster_or_swap_info(si, ci);  in swap_swapcount()
1500 	struct swap_cluster_info *ci;  in swp_swapcount()  local
1511 	ci = lock_cluster_or_swap_info(p, offset);  in swp_swapcount()
1534 	unlock_cluster_or_swap_info(p, ci);  in swp_swapcount()
1541 	struct swap_cluster_info *ci;  in swap_page_trans_huge_swapped()  local
1548 	ci = lock_cluster_or_swap_info(si, offset);  in swap_page_trans_huge_swapped()
1549 	if (!ci || !cluster_is_huge(ci)) {  in swap_page_trans_huge_swapped()
1561 	unlock_cluster_or_swap_info(si, ci);  in swap_page_trans_huge_swapped()
1587 	struct swap_cluster_info *ci = NULL;  in page_trans_huge_map_swapcount()  local
1617 		ci = lock_cluster(si, offset);  in page_trans_huge_map_swapcount()
1627 	unlock_cluster(ci);  in page_trans_huge_map_swapcount()
3193 		unsigned long ci, nr_cluster;  in SYSCALL_DEFINE2()  local
3210 		for (ci = 0; ci < nr_cluster; ci++)  in SYSCALL_DEFINE2()
3211 			spin_lock_init(&((cluster_info + ci)->lock));  in SYSCALL_DEFINE2()
3381 	struct swap_cluster_info *ci;  in __swap_duplicate()  local
3392 	ci = lock_cluster_or_swap_info(p, offset);  in __swap_duplicate()
3435 	unlock_cluster_or_swap_info(p, ci);  in __swap_duplicate()
3525 	struct swap_cluster_info *ci;  in add_swap_count_continuation()  local
3551 	ci = lock_cluster(si, offset);  in add_swap_count_continuation()
3616 	unlock_cluster(ci);  in add_swap_count_continuation()