This fix from Jeff has landed in mainline and has been cc'd to stable:
commit 2a362249187a8d0f6d942d6e1d763d150a296f47
Author: Jeff Mahoney <je...@suse.com>
Date: Mon Feb 6 19:39:09 2017 -0500
btrfs: fix btrfs_compat_ioctl failures on non-compat ioctls
I built a Xenial test kernel with this commit. Can you test this kernel
and confirm it fixes the bug? It can be downloaded from:
http://bugs.launchpad.net/bugs/1619918/xenial
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https://bugs.launchpad.net/bugs/1619918
Title:
lsattr 32bit does not work on 64bit kernel (Inappropriate ioctl error)
Status in linux:
Unknown
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Trusty:
In Progress
Status in linux source package in Xenial:
In Progress
Status in linux source package in Yakkety:
In Progress
Status in linux source package in Zesty:
In Progress
Bug description:
I run an amd64 kernel on trusty. The e2fsprogs package was still the
32 bit i386 variety. This lead to the following situation (for
essentially all files on a btrfs partition).
$ lsattr
/lib/modules/3.13.0-95-generic/kernel/drivers/staging/lustre/lustre/ptlrpc/ptlrpc.ko
lsattr: Inappropriate ioctl for device While reading flags on
/lib/modules/3.13.0-95-generic/kernel/drivers/staging/lustre/lustre/ptlrpc/ptlrpc.ko
The problem was resolved by installing e2fsprogs:amd64.
https://patchwork.kernel.org/patch/7517361/ might be related.
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