Hi Theodore It should be fixed by this commit: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-next&id=d14469ed7c00314fe8957b2841bda329e4eaf4ab On Wed, Aug 27, 2025 at 11:00 AM Theodore Ts'o <tytso@xxxxxxx> wrote: > > Hi, I was testing 6.17-rc3, and I noticed a test failure in fstest > generic/563[1], when testing both ext4 and xfs. If you are using my > test appliance[2], this can be trivially reproduced using: > > kvm-xfstests -c ext4/4k generic/563 > or > kvm-xfstests -c xfs/4k generic/563 > > [1] https://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git/tree/tests/generic/563 > [2] https://github.com/tytso/xfstests-bld/blob/master/Documentation/kvm-quickstart.md > > A git bisect pointed the problem at: > > commit 47b71abd58461a67cae71d2f2a9d44379e4e2fcf > Author: Rajeev Mishra <rajeevm@xxxxxxx> > Date: Mon Aug 18 18:48:21 2025 +0000 > > loop: use vfs_getattr_nosec for accurate file size > > Use vfs_getattr_nosec() in lo_calculate_size() for getting the file > size, rather than just read the cached inode size via i_size_read(). > This provides better results than cached inode data, particularly for > network filesystems where metadata may be stale. > > Signed-off-by: Rajeev Mishra <rajeevm@xxxxxxx> > Reviewed-by: Yu Kuai <yukuai3@xxxxxxxxxx> > Link: https://lore.kernel.org/r/20250818184821.115033-3-rajeevm@xxxxxxx > [axboe: massage commit message] > Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> > > ... and indeed if I go to 6.17-rc3, and revert this commit, > generic/563 starts passing again. > > Could you please take a look, and/or revert this change? Many thanks! > > - Ted > -- Best Regards, Yi Zhang