On Sun, Feb 10, 2019 at 07:11:42PM +0800, Eryu Guan wrote: > On Tue, Feb 05, 2019 at 07:47:13PM +0100, Christoph Hellwig wrote: > > Currently generic/075 and generic/112 have two extra fsx passes each that > > exercise fsx with preallocation, which are only enabled for XFS. > > > > These tests can also be run with other file systems, given that the XFS > > prealloc ioctls are implemented in generic code since the addition of > > the fallocate system call. This also means a version of XFS that does > > not support preallocation (e.g. because it always writes out of place) > > can skip the prealloc tests while still completing the normal fsx tests > > just fine. > > > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > > --- > > tests/generic/075 | 16 +++++++++++----- > > tests/generic/112 | 20 +++++++++++++------- > > 2 files changed, 24 insertions(+), 12 deletions(-) > > > > diff --git a/tests/generic/075 b/tests/generic/075 > > index 2b957891..8981c560 100755 > > --- a/tests/generic/075 > > +++ b/tests/generic/075 > > @@ -48,11 +48,12 @@ _do_test() > > echo "fsx.$_n : $_filter_param" > > echo "-----------------------------------------------" > > > > - if [ "$FSTYP" != "xfs" ] > > - then > > - if [ "$_n" = "1" -o "$_n" = "3" ] > > - then > > - # HACK: only xfs handles preallocation (-x) so just skip this test > > + if [ "$_n" = "1" -o "$_n" = "3" ]; then > > + if echo $testio | grep -q "Operation not supported"; then > > Hmm, I don't think checking ENOSUPP message is sufficient, old distros > may ship xfs_io without falloc support or there's no generic prealloc > ioctl support, these cases are rare but possible. > > How about adding a new XFS_IOC_RESVSP ioctl check in src/feature.c and xfs_io -c "resvsp 0 1g" ... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx