On Sat, Jul 20, 2024 at 03:13:23PM +0800, Yang Erkun wrote: > Like what 4fd042e0465c("generic/732: don't run it on NFS") say, the same > options for tmpfs won't share the same backend. Skip it for tmpfs. > > # real QA test starts here > -_supported_fs ^nfs ^overlay > +_supported_fs ^nfs ^overlay ^tmpfs Can you please spell out the explanation here? We should not have a _supported_fs call without a comment explaining it.