> >>> This test requires fallocate keep_size. So, skip the test if a > >>> target FS does not support the function to avoid false negative. > >> > >> Can you tell me your kernel version and filesystem. IMO this > >> fallocate keep_size feature has been supported since long times ago(xfs implemented it in 2008 and ext4 in 2007). > > > > Hi, > > > > I'm now testing virtiofs and want to avoid noise. I think NFS 4 does not support fallocate keep_size neither. > > > Hi > > I see. But in generic/499, it also uses fallocate keep size, so I think you can also add _require_xfs_io_command "falloc" "-k" > in that case(I guess generic/499 doesn't run on your system). > > ps: In generic/469, it can also add fzero check. Thanks, I have sent v2.