The commit is pushed to "branch-rh9-5.14.0-362.18.1.vz9.40.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh9-5.14.0-362.18.1.vz9.40.1
-->
commit 3961da0b9522818e9f8b017ee42d65d3b3c033e6
Author: David Stevens
Date: Tue Apr 18 17:40:31 2023 +0900
ms/mm/shmem
The bug is ancient, ext4 has been broken in mainstream since 2014,
I guess this means nobody cares. Though right place of this
patch is mainstream of course.
It destroys performance of direct io in vz9 compared to vz7, where
this place was still correct. Note, our memory buffers are aligned
to 512
fuse makes an entirely noop yet wasting lots of time call
to user space every fsync().
Actually, it was a surprize from mainstream, which used
to corrupt vstorage in vz9 and late vz7. We put a strut
to prevent corruption bd7d3266.. "fuse: illegal access to file in vstorage"
Now it is time to remo
