On Sat, 2023-09-02 at 03:19 +0800, Zorro Lang wrote: > On Fri, Sep 01, 2023 at 01:39:55PM -0400, Jeff Layton wrote: > > When creating a new dentry (of any type), NFS will optimize away any > > on-the-wire lookups prior to the create since that means an extra > > round trip to the server. Because of that, it consistently fails this > > test. > > > > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> > > --- > > tests/generic/294 | 6 ++++-- > > 1 file changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/tests/generic/294 b/tests/generic/294 > > index 406b1b3954b9..46c7001234a5 100755 > > --- a/tests/generic/294 > > +++ b/tests/generic/294 > > @@ -15,8 +15,10 @@ _begin_fstest auto quick > > > > # real QA test starts here > > > > -# Modify as appropriate. > > -_supported_fs generic > > +# NFS will optimize away the on-the-wire lookup before attempting to > > +# create a new file (since that means an extra round trip). > > +_supported_fs ^nfs generic > > If we use black list, don't need to use "generic" to specify white list. E.g. > > $ grep -rsn _supported_fs tests/generic/|grep \\^ > tests/generic/699:25:_supported_fs ^overlay > tests/generic/631:41:_supported_fs ^overlay > tests/generic/679:27:_supported_fs ^xfs > tests/generic/500:45:_supported_fs ^btrfs > > Anyway, others look good to me, if no objection from nfs list, I can help > to merge this patchset without the "generic" :) > Ok, I was looking at the _support_fs implementation and it looked like you needed a "generic" entry on the end or it wouldn't pass for other fs, but if you're sure, that sounds good to me. Thanks! -- Jeff Layton <jlayton@xxxxxxxxxx>