Hi Yufen, Thank you for the patch! Yet something to improve: [auto build test ERROR on cryptodev/master] [also build test ERROR on crypto/master linus/master v5.7-rc7 next-20200526] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Yufen-Yu/md-raid5-set-STRIPE_SIZE-as-a-configurable-value/20200527-212526 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: ia64-defconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from drivers/md/raid0.c:20: drivers/md/raid5.h: In function 'r5_next_bio': >> drivers/md/raid5.h:475:29: error: 'CONFIG_MD_RAID456_STRIPE_SHIFT' undeclared (first use in this function) 475 | #define CONFIG_STRIPE_SIZE (CONFIG_MD_RAID456_STRIPE_SHIFT << 9) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/md/raid5.h:477:3: note: in expansion of macro 'CONFIG_STRIPE_SIZE' 477 | (CONFIG_STRIPE_SIZE > PAGE_SIZE ? PAGE_SIZE : CONFIG_STRIPE_SIZE) | ^~~~~~~~~~~~~~~~~~ >> drivers/md/raid5.h:479:26: note: in expansion of macro 'STRIPE_SIZE' 479 | #define STRIPE_SECTORS (STRIPE_SIZE>>9) | ^~~~~~~~~~~ >> drivers/md/raid5.h:497:37: note: in expansion of macro 'STRIPE_SECTORS' 497 | if (bio_end_sector(bio) < sector + STRIPE_SECTORS) | ^~~~~~~~~~~~~~ drivers/md/raid5.h:475:29: note: each undeclared identifier is reported only once for each function it appears in 475 | #define CONFIG_STRIPE_SIZE (CONFIG_MD_RAID456_STRIPE_SHIFT << 9) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/md/raid5.h:477:3: note: in expansion of macro 'CONFIG_STRIPE_SIZE' 477 | (CONFIG_STRIPE_SIZE > PAGE_SIZE ? PAGE_SIZE : CONFIG_STRIPE_SIZE) | ^~~~~~~~~~~~~~~~~~ >> drivers/md/raid5.h:479:26: note: in expansion of macro 'STRIPE_SIZE' 479 | #define STRIPE_SECTORS (STRIPE_SIZE>>9) | ^~~~~~~~~~~ >> drivers/md/raid5.h:497:37: note: in expansion of macro 'STRIPE_SECTORS' 497 | if (bio_end_sector(bio) < sector + STRIPE_SECTORS) | ^~~~~~~~~~~~~~ vim +/CONFIG_MD_RAID456_STRIPE_SHIFT +475 drivers/md/raid5.h 469 470 /* 471 * Stripe cache 472 */ 473 474 #define NR_STRIPES 256 > 475 #define CONFIG_STRIPE_SIZE (CONFIG_MD_RAID456_STRIPE_SHIFT << 9) 476 #define STRIPE_SIZE \ > 477 (CONFIG_STRIPE_SIZE > PAGE_SIZE ? PAGE_SIZE : CONFIG_STRIPE_SIZE) 478 #define STRIPE_SHIFT (PAGE_SHIFT - 9) > 479 #define STRIPE_SECTORS (STRIPE_SIZE>>9) 480 #define IO_THRESHOLD 1 481 #define BYPASS_THRESHOLD 1 482 #define NR_HASH (PAGE_SIZE / sizeof(struct hlist_head)) 483 #define HASH_MASK (NR_HASH - 1) 484 #define MAX_STRIPE_BATCH 8 485 486 /* bio's attached to a stripe+device for I/O are linked together in bi_sector 487 * order without overlap. There may be several bio's per stripe+device, and 488 * a bio could span several devices. 489 * When walking this list for a particular stripe+device, we must never proceed 490 * beyond a bio that extends past this device, as the next bio might no longer 491 * be valid. 492 * This function is used to determine the 'next' bio in the list, given the 493 * sector of the current stripe+device 494 */ 495 static inline struct bio *r5_next_bio(struct bio *bio, sector_t sector) 496 { > 497 if (bio_end_sector(bio) < sector + STRIPE_SECTORS) 498 return bio->bi_next; 499 else 500 return NULL; 501 } 502 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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