71 	struct page **pages;  in dio_get_pages_alloc()  local
77 	pages = kmalloc(sizeof(*pages) * npages, GFP_KERNEL);  in dio_get_pages_alloc()
78 	if (!pages) {  in dio_get_pages_alloc()
79 		pages = vmalloc(sizeof(*pages) * npages);  in dio_get_pages_alloc()
80 		if (!pages)  in dio_get_pages_alloc()
86 		ret = iov_iter_get_pages(&tmp_it, pages + idx, nbytes,  in dio_get_pages_alloc()
100 	return pages;  in dio_get_pages_alloc()
102 	ceph_put_page_vector(pages, idx, false);  in dio_get_pages_alloc()
413 			struct page **pages, int num_pages,  in striped_read()  argument
432 	page_pos = pages;  in striped_read()
464 			ceph_zero_page_vector_range(zoff, zlen, pages);  in striped_read()
502 	struct page **pages;  in ceph_sync_read()  local
530 			pages = dio_get_pages_alloc(i, n, &start, &num_pages);  in ceph_sync_read()
531 			if (IS_ERR(pages))  in ceph_sync_read()
532 				return PTR_ERR(pages);  in ceph_sync_read()
535 					   pages, num_pages, checkeof,  in ceph_sync_read()
538 			ceph_put_page_vector(pages, num_pages, true);  in ceph_sync_read()
549 		pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL);  in ceph_sync_read()
550 		if (IS_ERR(pages))  in ceph_sync_read()
551 			return PTR_ERR(pages);  in ceph_sync_read()
552 		ret = striped_read(inode, off, len, pages,  in ceph_sync_read()
562 				l = copy_page_to_iter(pages[k++], page_off,  in ceph_sync_read()
570 		ceph_release_page_vector(pages, num_pages);  in ceph_sync_read()
632 	struct page **pages;  in ceph_sync_direct_write()  local
682 		pages = dio_get_pages_alloc(from, len, &start, &num_pages);  in ceph_sync_direct_write()
683 		if (IS_ERR(pages)) {  in ceph_sync_direct_write()
685 			ret = PTR_ERR(pages);  in ceph_sync_direct_write()
695 		osd_req_op_extent_osd_data_pages(req, 0, pages, n, start,  in ceph_sync_direct_write()
705 		ceph_put_page_vector(pages, num_pages, false);  in ceph_sync_direct_write()
748 	struct page **pages;  in ceph_sync_write()  local
800 		pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL);  in ceph_sync_write()
801 		if (IS_ERR(pages)) {  in ceph_sync_write()
802 			ret = PTR_ERR(pages);  in ceph_sync_write()
809 			ret = copy_page_from_iter(pages[n], 0, plen, from);  in ceph_sync_write()
818 			ceph_release_page_vector(pages, num_pages);  in ceph_sync_write()
826 		osd_req_op_extent_osd_data_pages(req, 0, pages, len, 0,  in ceph_sync_write()