Hi Steve, On Sat, Oct 26, 2024 at 09:04:01AM -0400, Steve Dickson wrote: > > > On 10/25/24 4:14 PM, Salvatore Bonaccorso wrote: > > Hi Steve, > > > > On Sun, Oct 20, 2024 at 04:37:10PM +0200, Salvatore Bonaccorso wrote: > > > Hi Steve, > > > > > > On Tue, Oct 08, 2024 at 06:12:58AM -0400, Steve Dickson wrote: > > > > > > > > > > > > On 10/3/24 12:58 PM, Salvatore Bonaccorso wrote: > > > > > Hi Steve, hi linux-nfs people, > > > > > > > > > > it got reported twice in Debian that NFSv4 referrals are broken when > > > > > junction support is disabled. The two reports are at: > > > > > > > > > > https://bugs.debian.org/1035908 > > > > > https://bugs.debian.org/1083098 > > > > > > > > > > While arguably having junction support seems to be the preferred > > > > > option, the bug (or maybe unintended behaviour) arises when junction > > > > > support is not enabled (this for instance is the case in the Debian > > > > > stable/bookworm version, as we cannot simply do such changes in a > > > > > stable release; note later relases will have it enabled). > > > > > > > > > > The "breakage" seems to be introduced with 15dc0bead10d ("exportd: > > > > > Moved cache upcalls routines into libexport.a"), so > > > > > nfs-utils-2-5-3-rc6 as this will mask behind the #ifdef > > > > > HAVE_JUNCTION_SUPPORT's code which seems needed to support the refer= > > > > > in /etc/exports. > > > > > > > > > > I had a quick conversation with Cuck offliste about this, and I can > > > > > hopefully state with his word, that yes, while nfsref is the direction > > > > > we want to go, we do not want to actually disable refer= in > > > > > /etc/exports. > > > > +1 > > > > > > > > > > > > > > Steve, what do you think? I'm not sure on the best patch for this, > > > > > maybe reverting the parts masking behind #ifdef HAVE_JUNCTION_SUPPORT > > > > > which are touched in 15dc0bead10d would be enough? > > > > Yeah there is a lot of change with 15dc0bead10d > > > > > > > > Let me look into this... At the up coming Bake-a-ton [1] > > > > > > Thanks a lot for that, looking forward then to a fix which we might > > > backport in Debian to the older version as well. > > > > Hope the Bake-a-ton was productive :) > > > > Did you had a chance to look at this issue beeing there? > Yes I did... and we did talk about the problem.... still looking into it. Reviewing the open bugs in Debian I remembered of this one. If you have already a POC implementation/bugfix available, would it help if I prod at least the two reporters in Debian to test the changes? Thanks a lot for your work, it is really appreciated! Regards, Salvatore
