[PATCH v2 0/5] fstests: overlay: initial support for aufs and

[Mauricio Faria de Oliveira <mfo@canonical.com>]

This patchset allows the existing support for overlay to be used with
aufs and fuse-overlayfs, so the increase the coverage/test tools that
are available for these filesystems.

Initial numbers on v5.4-based Ubuntu kernel on Ubuntu Eoan/19.10
(fuse-overlay installed from distro package), few tests excluded:

 OVL_FSTYP=aufs
 - Ran: 645 tests
 - Not run: 483 tests
 - Failures: 22 tests

 OVL_FSTYP=fuse.fuse-overlayfs
 - Ran: 530
 - Not run: 395
 - Failures: 29

Thanks to Amir Goldstein for review/improvements/suggestions.

Changes:
 - v2:
   - fix tests/overlay that hardcode the overlay fs type
   - add support to fuse-overlayfs with +3 other patches
 - v1:
   - [PATCH] common/overlay,rc: introduce OVL_ALT_FSTYP for testing aufs

Mauricio Faria de Oliveira (5):
  common/overlay,rc,config: introduce OVL_FSTYP variable and aufs
  tests/overlay: mount: replace overlay hardcode with OVL_FSTYP variable
  common/rc: introduce new helper function _fs_type_dev_dir()
  common/rc: add quirks for fuse-overlayfs device/mount point
  common/overlay: silence some mount messages for fuse-overlayfs

 README.overlay    |  5 ++++
 common/config     |  2 ++
 common/overlay    | 29 +++++++++++++++++++---
 common/rc         | 61 ++++++++++++++++++++++++++++++++++++++++-------
 tests/overlay/011 |  2 +-
 tests/overlay/035 |  2 +-
 tests/overlay/052 |  4 ++--
 tests/overlay/053 |  4 ++--
 tests/overlay/062 |  2 +-
 9 files changed, 92 insertions(+), 19 deletions(-)

-- 
2.20.1