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[PATCH v2 0/3] virtiofsd: Add options to enable/disable posix acl

From: Vivek Goyal
Subject: [PATCH v2 0/3] virtiofsd: Add options to enable/disable posix acl
Date: Wed, 17 Feb 2021 18:30:43 -0500


This is V2 of the patches. Changes since v1 are.

- Rebased on top of latest master.
- Took care of Miklos's comments to block acl xattrs if user
  explicitly disabled posix acl.

Luis Henriques reported that fstest generic/099 fails with virtiofs.
Little debugging showed that we don't enable acl support. So this
patch series provides option to enable/disable posix acl support. By
default it is disabled.

I have run blogbench and pjdfstests with posix acl enabled and
things work fine.

Luis, can you please apply these patches, and run virtiofsd with
"-o posix_acl" and see if it fixes the failure you are seeing. I
ran the steps you provided manually and it fixes the issue for

Vivek Goyal (3):
  virtiofsd: Add an option to enable/disable posix acls
  virtiofsd: Add umask to seccom allow list
  virtiofsd: Change umask if posix acls are enabled

 tools/virtiofsd/passthrough_ll.c      | 119 ++++++++++++++++++++++++--
 tools/virtiofsd/passthrough_seccomp.c |   1 +
 2 files changed, 113 insertions(+), 7 deletions(-)


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