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Date: Mon, 12 Apr 2021 22:07:45 +0800
From: kernel test robot <lkp@...el.com>
To: Jan Kara <jack@...e.cz>, Ted Tso <tytso@....edu>
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
linux-ext4@...r.kernel.org, Eric Whitney <enwlinux@...il.com>,
linux-fsdevel@...r.kernel.org,
"Darrick J . Wong" <djwong@...nel.org>, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH 1/3] iomap: Pass original DIO size to completion handler
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 <lkp@...el.com>
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
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