Hi Jan, I love your patch! Yet something to improve: [auto build test ERROR on ext4/dev] [also build test ERROR on xfs-linux/for-next linus/master v5.12-rc7 next-20210409] [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] url: https://github.com/0day-ci/linux/commits/Jan-Kara/ext4-Fix-data-corruption-when-extending-DIO-write-races-with-buffered-read/20210412-182524 base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev config: riscv-randconfig-r004-20210412 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9829f5e6b1bca9b61efc629770d28bb9014dec45) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/0d289243d061378ac42188ff5079287885575bb3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jan-Kara/ext4-Fix-data-corruption-when-extending-DIO-write-races-with-buffered-read/20210412-182524 git checkout 0d289243d061378ac42188ff5079287885575bb3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> fs/zonefs/super.c:732:49: error: too few arguments to function call, expected 5, have 4 zonefs_file_write_dio_end_io(iocb, size, ret, 0); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ fs/zonefs/super.c:654:12: note: 'zonefs_file_write_dio_end_io' declared here static int zonefs_file_write_dio_end_io(struct kiocb *iocb, ssize_t size, ^ >> fs/zonefs/super.c:961:14: error: incompatible function pointer types initializing 'int (*)(struct kiocb *, ssize_t, ssize_t, int, unsigned int)' (aka 'int (*)(struct kiocb *, long, long, int, unsigned int)') with an expression of type 'int (struct kiocb *, ssize_t, int, unsigned int)' (aka 'int (struct kiocb *, long, int, unsigned int)') [-Werror,-Wincompatible-function-pointer-types] .end_io = zonefs_file_read_dio_end_io, ^~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated. vim +732 fs/zonefs/super.c 8dcc1a9d90c10f Damien Le Moal 2019-12-25 688 02ef12a663c7ac Johannes Thumshirn 2020-05-12 689 static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from) 02ef12a663c7ac Johannes Thumshirn 2020-05-12 690 { 02ef12a663c7ac Johannes Thumshirn 2020-05-12 691 struct inode *inode = file_inode(iocb->ki_filp); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 692 struct zonefs_inode_info *zi = ZONEFS_I(inode); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 693 struct block_device *bdev = inode->i_sb->s_bdev; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 694 unsigned int max; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 695 struct bio *bio; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 696 ssize_t size; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 697 int nr_pages; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 698 ssize_t ret; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 699 02ef12a663c7ac Johannes Thumshirn 2020-05-12 700 max = queue_max_zone_append_sectors(bdev_get_queue(bdev)); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 701 max = ALIGN_DOWN(max << SECTOR_SHIFT, inode->i_sb->s_blocksize); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 702 iov_iter_truncate(from, max); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 703 a8affc03a9b375 Christoph Hellwig 2021-03-11 704 nr_pages = iov_iter_npages(from, BIO_MAX_VECS); 89ee72376be23a Johannes Thumshirn 2020-07-16 705 if (!nr_pages) 89ee72376be23a Johannes Thumshirn 2020-07-16 706 return 0; 89ee72376be23a Johannes Thumshirn 2020-07-16 707 f91ca2a370bec5 Christoph Hellwig 2021-01-26 708 bio = bio_alloc(GFP_NOFS, nr_pages); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 709 if (!bio) 02ef12a663c7ac Johannes Thumshirn 2020-05-12 710 return -ENOMEM; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 711 02ef12a663c7ac Johannes Thumshirn 2020-05-12 712 bio_set_dev(bio, bdev); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 713 bio->bi_iter.bi_sector = zi->i_zsector; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 714 bio->bi_write_hint = iocb->ki_hint; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 715 bio->bi_ioprio = iocb->ki_ioprio; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 716 bio->bi_opf = REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 717 if (iocb->ki_flags & IOCB_DSYNC) 02ef12a663c7ac Johannes Thumshirn 2020-05-12 718 bio->bi_opf |= REQ_FUA; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 719 02ef12a663c7ac Johannes Thumshirn 2020-05-12 720 ret = bio_iov_iter_get_pages(bio, from); 6bea0225a4bf14 Damien Le Moal 2020-12-09 721 if (unlikely(ret)) 6bea0225a4bf14 Damien Le Moal 2020-12-09 722 goto out_release; 6bea0225a4bf14 Damien Le Moal 2020-12-09 723 02ef12a663c7ac Johannes Thumshirn 2020-05-12 724 size = bio->bi_iter.bi_size; 6bea0225a4bf14 Damien Le Moal 2020-12-09 725 task_io_account_write(size); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 726 02ef12a663c7ac Johannes Thumshirn 2020-05-12 727 if (iocb->ki_flags & IOCB_HIPRI) 02ef12a663c7ac Johannes Thumshirn 2020-05-12 728 bio_set_polled(bio, iocb); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 729 02ef12a663c7ac Johannes Thumshirn 2020-05-12 730 ret = submit_bio_wait(bio); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 731 6bea0225a4bf14 Damien Le Moal 2020-12-09 @732 zonefs_file_write_dio_end_io(iocb, size, ret, 0); 62ab1aadcccd03 Johannes Thumshirn 2021-01-27 733 trace_zonefs_file_dio_append(inode, size, ret); 6bea0225a4bf14 Damien Le Moal 2020-12-09 734 6bea0225a4bf14 Damien Le Moal 2020-12-09 735 out_release: 6bea0225a4bf14 Damien Le Moal 2020-12-09 736 bio_release_pages(bio, false); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 737 bio_put(bio); 02ef12a663c7ac Johannes Thumshirn 2020-05-12 738 02ef12a663c7ac Johannes Thumshirn 2020-05-12 739 if (ret >= 0) { 02ef12a663c7ac Johannes Thumshirn 2020-05-12 740 iocb->ki_pos += size; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 741 return size; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 742 } 02ef12a663c7ac Johannes Thumshirn 2020-05-12 743 02ef12a663c7ac Johannes Thumshirn 2020-05-12 744 return ret; 02ef12a663c7ac Johannes Thumshirn 2020-05-12 745 } 02ef12a663c7ac Johannes Thumshirn 2020-05-12 746 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org