Hi, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on linus/master v6.11-rc2 next-20240807] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/824731276-qq-com/block-added-printing-when-bio-bi_status-fails/20240807-174005 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/tencent_F71A15579D1E52ED0B58EF2F3607AA883308%40qq.com patch subject: [PATCH] block:added printing when bio->bi_status fails config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20240808/202408080348.jL0uiVq7-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240808/202408080348.jL0uiVq7-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408080348.jL0uiVq7-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> block/bio.c:1620:29: error: no member named 'bi_disk' in 'struct bio' 1620 | if (bio->bi_status && bio->bi_disk) | ~~~ ^ block/bio.c:1622:36: error: no member named 'bi_disk' in 'struct bio' 1622 | __func__, bio->bi_status, bio->bi_disk->major,\ | ~~~ ^ include/linux/printk.h:465:60: note: expanded from macro 'printk' 465 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:437:19: note: expanded from macro 'printk_index_wrap' 437 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ block/bio.c:1623:10: error: no member named 'bi_disk' in 'struct bio' 1623 | bio->bi_disk->first_minor); | ~~~ ^ include/linux/printk.h:465:60: note: expanded from macro 'printk' 465 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:437:19: note: expanded from macro 'printk_index_wrap' 437 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ 3 errors generated. vim +1620 block/bio.c 1589 1590 /** 1591 * bio_endio - end I/O on a bio 1592 * @bio: bio 1593 * 1594 * Description: 1595 * bio_endio() will end I/O on the whole bio. bio_endio() is the preferred 1596 * way to end I/O on a bio. No one should call bi_end_io() directly on a 1597 * bio unless they own it and thus know that it has an end_io function. 1598 * 1599 * bio_endio() can be called several times on a bio that has been chained 1600 * using bio_chain(). The ->bi_end_io() function will only be called the 1601 * last time. 1602 **/ 1603 void bio_endio(struct bio *bio) 1604 { 1605 again: 1606 if (!bio_remaining_done(bio)) 1607 return; 1608 if (!bio_integrity_endio(bio)) 1609 return; 1610 1611 blk_zone_bio_endio(bio); 1612 1613 rq_qos_done_bio(bio); 1614 1615 if (bio->bi_bdev && bio_flagged(bio, BIO_TRACE_COMPLETION)) { 1616 trace_block_bio_complete(bdev_get_queue(bio->bi_bdev), bio); 1617 bio_clear_flag(bio, BIO_TRACE_COMPLETION); 1618 } 1619 > 1620 if (bio->bi_status && bio->bi_disk) 1621 printk(KERN_ERR "bio: %s status is %d, disk[%d:%d]\n",\ 1622 __func__, bio->bi_status, bio->bi_disk->major,\ 1623 bio->bi_disk->first_minor); 1624 1625 /* 1626 * Need to have a real endio function for chained bios, otherwise 1627 * various corner cases will break (like stacking block devices that 1628 * save/restore bi_end_io) - however, we want to avoid unbounded 1629 * recursion and blowing the stack. Tail call optimization would 1630 * handle this, but compiling with frame pointers also disables 1631 * gcc's sibling call optimization. 1632 */ 1633 if (bio->bi_end_io == bio_chain_endio) { 1634 bio = __bio_chain_endio(bio); 1635 goto again; 1636 } 1637 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki