On Fri, Jan 17, 2020 at 12:45:17AM -0800, Christoph Hellwig wrote: > On Fri, Jan 17, 2020 at 04:38:24PM +0800, Murphy Zhou wrote: > > To mute false alarm on NFS, which is reporting FIBMAP unsupported. > > How do these tests end up using FIBMAP? We really should not use FIBMAP > in any tests except those exercising FIBMAP itself. > Through filefrag(8)?