On Wed, Dec 9, 2020 at 12:12 PM Trond Myklebust <trondmy@xxxxxxxxxxxxxxx> wrote: > > On Wed, 2020-12-09 at 12:07 -0500, Olga Kornievskaia wrote: > > On Wed, Dec 9, 2020 at 11:59 AM Trond Myklebust > > <trondmy@xxxxxxxxxxxxxxx> wrote: > > > > > > On Fri, 2020-12-04 at 15:00 -0500, Olga Kornievskaia wrote: > > > > I object to putting the disable patch in, I think we need to fix > > > > the > > > > problem. > > > > > > I can't see the problem is fixable in 5.10. There are way too many > > > changes required, and we're in the middle of the week of the last - > > > rc > > > for 5.10. Furthermore, there are no regressions introduced by just > > > disabling the functionality, because READ_PLUS has only just been > > > merged in this release cycle. > > > > > > I therefore strongly suggest we just send [PATCH 1/3] NFS: Disable > > > READ_PLUS by default and then fix the rest in 5.11. > > > > Sure, but shouldn't there be more ifdefs inside of the xdr code to > > turn it off completely? > > AFAICT, those functions are not called by anything else, so as long as > the READ_PLUS client functionality is disabled, they should be > harmless. Is it benign that in the normal read path sunrpc will be calling a new function of xdr_realign_pages()? Non readplus code didn't have it. > > -- > Trond Myklebust > Linux NFS client maintainer, Hammerspace > trond.myklebust@xxxxxxxxxxxxxxx > >