Comment 0 for bug 2086109

Linux kernel v6.9 introduced a regression of 9pfs in the commit <https://github.com/torvalds/linux/commit/724a084>, and it was fixed in v6.12-rc5 (<https://github.com/torvalds/linux/commit/be2ca38>):

> This code simplification introduced significant regressions on servers
> that do not remap inode numbers when exporting multiple underlying
> filesystems with colliding inodes, as can be illustrated with simple
> tmpfs exports in qemu with remapping disabled:
> [...]

Could you consider cherry-picking the fix to Ubuntu 24.10's kernel 6.11 ?