This bug was fixed in the package linux - 6.5.0-5.5
---------------
linux (6.5.0-5.5) mantic; urgency=medium
* mantic/linux: 6.5.0-5.5 -proposed tracker (LP: #2034546)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
- debian/dkms-versions -- update from kernel-versions (main/d2023.08.23)
-- Andrea Righi <andrea.ri...@canonical.com> Wed, 06 Sep 2023 15:51:04
+0200
** Changed in: linux (Ubuntu Mantic)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/2032959
Title:
ceph: support idmapped mounts
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Mantic:
Fix Released
Bug description:
[Impact]
Now that zfs supports idmapped mounts the only user of shiftfs remains
ceph.
However a patch set has been posted upstream to enable such feature also in
ceph:
https://lore.kernel.org/all/20230807132626.182101-1-aleksandr.mikhalit...@canonical.com/
This is also maintained in this github repository:
https://github.com/ceph/ceph-client.git
Include this patch in our mantic kernel, so that the LXD team can do
some testing to see if we can get rid of shiftfs and rely completely
on upstream idmapped mounts.
[Test case]
Create an LXD container using a ceph backend, disable shiftfs and
verify if everything is still working (LXD team will provide a proper
test case for this).
[Fix]
Apply idmapped mounts patch set from:
https://github.com/ceph/ceph-client.git
[Regression potential]
This patch set is still not upstream and still experimental, therefore
we may experience regression or system crashes in systems that are
using the ceph filesystem.
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