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] steved. [1] http://www.nfsv4bat.org/Events/2024/Oct/BAT/index.html
