1091 		 * Both @faila and @failb should be valid pointers if any of  in get_rbio_veritical_errors()
1295 	void **pointers = rbio->finish_pointers;  in generate_pq_vertical()  local
1304 		pointers[stripe] = kmap_local_page(sector->page) +  in generate_pq_vertical()
1311 	pointers[stripe++] = kmap_local_page(sector->page) + sector->pgoff;  in generate_pq_vertical()
1320 		pointers[stripe++] = kmap_local_page(sector->page) +  in generate_pq_vertical()
1325 					pointers);  in generate_pq_vertical()
1328 		memcpy(pointers[rbio->nr_data], pointers[0], sectorsize);  in generate_pq_vertical()
1329 		run_xor(pointers + 1, rbio->nr_data - 1, sectorsize);  in generate_pq_vertical()
1332 		kunmap_local(pointers[stripe]);  in generate_pq_vertical()
1824  * @*pointers are the pre-allocated pointers by the caller, so we don't
1825  * need to allocate/free the pointers again and again.
1828 			    void **pointers, void **unmap_array)  in recover_vertical()  argument
1860 	 * Setup our array of pointers with sectors from each stripe  in recover_vertical()
1862 	 * NOTE: store a duplicate array of pointers to preserve the  in recover_vertical()
1876 		pointers[stripe_nr] = kmap_local_page(sector->page) +  in recover_vertical()
1878 		unmap_array[stripe_nr] = pointers[stripe_nr];  in recover_vertical()
1924 					  faila, pointers);  in recover_vertical()
1927 					  faila, failb, pointers);  in recover_vertical()
1936 		memcpy(pointers[faila], pointers[rbio->nr_data], sectorsize);  in recover_vertical()
1939 		p = pointers[faila];  in recover_vertical()
1942 			pointers[stripe_nr] = pointers[stripe_nr + 1];  in recover_vertical()
1943 		pointers[rbio->nr_data - 1] = p;  in recover_vertical()
1946 		run_xor(pointers, rbio->nr_data - 1, sectorsize);  in recover_vertical()
1985 	void **pointers = NULL;  in recover_sectors()  local
1991 	 * @pointers array stores the pointer for each sector.  in recover_sectors()
1993 	 * @unmap_array stores copy of pointers that does not get reordered  in recover_sectors()
1996 	pointers = kcalloc(rbio->real_stripes, sizeof(void *), GFP_NOFS);  in recover_sectors()
1998 	if (!pointers || !unmap_array) {  in recover_sectors()
2012 		ret = recover_vertical(rbio, sectornr, pointers, unmap_array);  in recover_sectors()
2018 	kfree(pointers);  in recover_sectors()
2513 	void **pointers = rbio->finish_pointers;  in finish_parity_scrub()  local
2566 		pointers[rbio->real_stripes - 1] = kmap_local_page(q_sector.page);  in finish_parity_scrub()
2572 	pointers[nr_data] = kmap_local_page(p_sector.page);  in finish_parity_scrub()
2581 			pointers[stripe] = kmap_local_page(sector->page) +  in finish_parity_scrub()
2589 						pointers);  in finish_parity_scrub()
2592 			memcpy(pointers[nr_data], pointers[0], sectorsize);  in finish_parity_scrub()
2593 			run_xor(pointers + 1, nr_data - 1, sectorsize);  in finish_parity_scrub()
2599 		if (memcmp(parity, pointers[rbio->scrubp], sectorsize) != 0)  in finish_parity_scrub()
2600 			memcpy(parity, pointers[rbio->scrubp], sectorsize);  in finish_parity_scrub()
2607 			kunmap_local(pointers[stripe]);  in finish_parity_scrub()
2610 	kunmap_local(pointers[nr_data]);  in finish_parity_scrub()
2614 		kunmap_local(pointers[rbio->real_stripes - 1]);  in finish_parity_scrub()
2671 	void **pointers = NULL;  in recover_scrub_rbio()  local
2677 	 * @pointers array stores the pointer for each sector.  in recover_scrub_rbio()
2679 	 * @unmap_array stores copy of pointers that does not get reordered  in recover_scrub_rbio()
2682 	pointers = kcalloc(rbio->real_stripes, sizeof(void *), GFP_NOFS);  in recover_scrub_rbio()
2684 	if (!pointers || !unmap_array) {  in recover_scrub_rbio()
2743 		ret = recover_vertical(rbio, sector_nr, pointers, unmap_array);  in recover_scrub_rbio()
2748 	kfree(pointers);  in recover_scrub_rbio()