1004 		 * Both @faila and @failb should be valid pointers if any of  in get_rbio_veritical_errors()
1187 	void **pointers = rbio->finish_pointers;  in generate_pq_vertical()  local
1196 		pointers[stripe] = kmap_local_page(sector->page) +  in generate_pq_vertical()
1203 	pointers[stripe++] = kmap_local_page(sector->page) + sector->pgoff;  in generate_pq_vertical()
1212 		pointers[stripe++] = kmap_local_page(sector->page) +  in generate_pq_vertical()
1216 					pointers);  in generate_pq_vertical()
1219 		memcpy(pointers[rbio->nr_data], pointers[0], sectorsize);  in generate_pq_vertical()
1220 		run_xor(pointers + 1, rbio->nr_data - 1, sectorsize);  in generate_pq_vertical()
1223 		kunmap_local(pointers[stripe]);  in generate_pq_vertical()
1714  * @*pointers are the pre-allocated pointers by the caller, so we don't
1715  * need to allocate/free the pointers again and again.
1718 			    void **pointers, void **unmap_array)  in recover_vertical()  argument
1750 	 * Setup our array of pointers with sectors from each stripe  in recover_vertical()
1752 	 * NOTE: store a duplicate array of pointers to preserve the  in recover_vertical()
1766 		pointers[stripe_nr] = kmap_local_page(sector->page) +  in recover_vertical()
1768 		unmap_array[stripe_nr] = pointers[stripe_nr];  in recover_vertical()
1814 					  faila, pointers);  in recover_vertical()
1817 					  faila, failb, pointers);  in recover_vertical()
1826 		memcpy(pointers[faila], pointers[rbio->nr_data], sectorsize);  in recover_vertical()
1829 		p = pointers[faila];  in recover_vertical()
1832 			pointers[stripe_nr] = pointers[stripe_nr + 1];  in recover_vertical()
1833 		pointers[rbio->nr_data - 1] = p;  in recover_vertical()
1836 		run_xor(pointers, rbio->nr_data - 1, sectorsize);  in recover_vertical()
1875 	void **pointers = NULL;  in recover_sectors()  local
1881 	 * @pointers array stores the pointer for each sector.  in recover_sectors()
1883 	 * @unmap_array stores copy of pointers that does not get reordered  in recover_sectors()
1886 	pointers = kcalloc(rbio->real_stripes, sizeof(void *), GFP_NOFS);  in recover_sectors()
1888 	if (!pointers || !unmap_array) {  in recover_sectors()
1902 		ret = recover_vertical(rbio, sectornr, pointers, unmap_array);  in recover_sectors()
1908 	kfree(pointers);  in recover_sectors()
2403 	void **pointers = rbio->finish_pointers;  in finish_parity_scrub()  local
2456 		pointers[rbio->real_stripes - 1] = kmap_local_page(q_sector.page);  in finish_parity_scrub()
2462 	pointers[nr_data] = kmap_local_page(p_sector.page);  in finish_parity_scrub()
2471 			pointers[stripe] = kmap_local_page(sector->page) +  in finish_parity_scrub()
2478 						pointers);  in finish_parity_scrub()
2481 			memcpy(pointers[nr_data], pointers[0], sectorsize);  in finish_parity_scrub()
2482 			run_xor(pointers + 1, nr_data - 1, sectorsize);  in finish_parity_scrub()
2488 		if (memcmp(parity, pointers[rbio->scrubp], sectorsize) != 0)  in finish_parity_scrub()
2489 			memcpy(parity, pointers[rbio->scrubp], sectorsize);  in finish_parity_scrub()
2496 			kunmap_local(pointers[stripe]);  in finish_parity_scrub()
2499 	kunmap_local(pointers[nr_data]);  in finish_parity_scrub()
2503 		kunmap_local(pointers[rbio->real_stripes - 1]);  in finish_parity_scrub()
2560 	void **pointers = NULL;  in recover_scrub_rbio()  local
2566 	 * @pointers array stores the pointer for each sector.  in recover_scrub_rbio()
2568 	 * @unmap_array stores copy of pointers that does not get reordered  in recover_scrub_rbio()
2571 	pointers = kcalloc(rbio->real_stripes, sizeof(void *), GFP_NOFS);  in recover_scrub_rbio()
2573 	if (!pointers || !unmap_array) {  in recover_scrub_rbio()
2632 		ret = recover_vertical(rbio, sector_nr, pointers, unmap_array);  in recover_scrub_rbio()
2637 	kfree(pointers);  in recover_scrub_rbio()