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cafe563591446c Kent Overstreet 2013-03-23 234 struct bio_vec *bv = bio->bi_io_vec; 97f573494a3c08 Jens Axboe 2021-10-12 235 unsigned int len, offset; 97f573494a3c08 Jens Axboe 2021-10-12 236 struct page *page; cafe563591446c Kent Overstreet 2013-03-23 237 4f024f3797c43c Kent Overstreet 2013-10-11 238 BUG_ON(!bio->bi_iter.bi_size); cafe563591446c Kent Overstreet 2013-03-23 239 BUG_ON(bio->bi_vcnt); cafe563591446c Kent Overstreet 2013-03-23 240 97f573494a3c08 Jens Axboe 2021-10-12 241 offset = base ? offset_in_page(base) : 0; cafe563591446c Kent Overstreet 2013-03-23 242 goto start; cafe563591446c Kent Overstreet 2013-03-23 243 cafe563591446c Kent Overstreet 2013-03-23 244 for (; size; bio->bi_vcnt++, bv++) { 97f573494a3c08 Jens Axboe 2021-10-12 245 offset = 0; 97f573494a3c08 Jens Axboe 2021-10-12 246 start: 97f573494a3c08 Jens Axboe 2021-10-12 247 len = min_t(size_t, PAGE_SIZE - offset, size); cafe563591446c Kent Overstreet 2013-03-23 248 if (base) { 97f573494a3c08 Jens Axboe 2021-10-12 249 page = is_vmalloc_addr(base) cafe563591446c Kent Overstreet 2013-03-23 250 ? vmalloc_to_page(base) cafe563591446c Kent Overstreet 2013-03-23 251 : virt_to_page(base); cafe563591446c Kent Overstreet 2013-03-23 252 97f573494a3c08 Jens Axboe 2021-10-12 253 base += len; cafe563591446c Kent Overstreet 2013-03-23 254 } No else path. cafe563591446c Kent Overstreet 2013-03-23 255 97f573494a3c08 Jens Axboe 2021-10-12 @256 bvec_set_page(bv, page, len, offset); ^^^^ 97f573494a3c08 Jens Axboe 2021-10-12 257 size -= len; cafe563591446c Kent Overstreet 2013-03-23 258 } cafe563591446c Kent Overstreet 2013-03-23 259 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org