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From:   Jarod Wilson <jarod@redhat.com>
To:     linux-kernel@vger.kernel.org
Cc:     Jarod Wilson <jarod@redhat.com>,
        Jay Vosburgh <j.vosburgh@gmail.com>,
        Veaceslav Falico <vfalico@gmail.com>,
        Andy Gospodarek <andy@greyhouse.net>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Thomas Davis <tadavis@lbl.gov>, netdev@vger.kernel.org
Subject: [PATCH net-next v2 0/6] bonding: rename bond components
Date:   Fri,  2 Oct 2020 13:39:55 -0400
Message-Id: <20201002174001.3012643-1-jarod@redhat.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

The bonding driver's use of master and slave, while largely understood
in technical circles, poses a barrier for inclusion to some potential
members of the development and user community, due to the historical
context of masters and slaves, particularly in the United States. This
is a first full pass at replacing those phrases with more socially
inclusive ones, opting for bond to replace master and port to
replace slave, which is congruent with the bridge and team drivers.

There are a few problems with this change. First up, "port" is used in
the bonding 802.3ad code, so the first step here is to rename port to
ad_port, so we can reuse port. Second, we have the issue of not wanting
to break any existing userspace, which I believe this patchset
accomplishes, while also adding alternate interfaces using the new
terminology. This set also includes a Kconfig option that will let
people make the conscious decision to break userspace and no longer
expose the original master/slave interfaces, once their userspace is
able to cope with their removal.

Lastly, we do still have the issue of ease of backporting fixes to
-stable trees. I've not had a huge amount of time to spend on it, but
brief forays into coccinelle didn't really pay off (since it's meant to
operate on code, not patches), and the best solution I can come up with
is providing a shell script someone could run over git-format-patch
output before git-am'ing the result to a -stable tree, though scripting
these changes in the first place turned out to be not the best thing to
do anyway, due to subtle cases where use of master or slave can NOT yet
be replaced, so a large amount of work was done by hand, inspection,
trial and error, which is why this set is a lot longer in coming than
I'd originally hoped. I don't expect -stable backports to be horrible to
figure out one way or another though, and I don't believe that a bit of
inconvenience on that front is enough to warrant not making these
changes.

See here for further details on Red Hat's commitment to this work:
https://www.redhat.com/en/blog/making-open-source-more-inclusive-eradicating-problematic-language

As far as testing goes, I've manually operated on various bonds while
working on this code, and have run it through multiple lnst test runs,
which exercises the existing sysfs interfaces fairly extensively. As far
as I can tell, there is no breakage of existing interfaces with this
set, unless the user consciously opts to do so via Kconfig.

v2: legacy module parameters are retained this time, and we're trying
out bond/port instead of aggregator/link in place of master/slave. The
procfs interface legacy output is also duplicated or dropped, depending
on Kconfig, rather than being replaced.

Cc: Jay Vosburgh <j.vosburgh@gmail.com>
Cc: Veaceslav Falico <vfalico@gmail.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Thomas Davis <tadavis@lbl.gov>
Cc: netdev@vger.kernel.org

Jarod Wilson (6):
  bonding: rename 802.3ad's struct port to ad_port
  bonding: replace use of the term master where possible
  bonding: rename slave to port where possible
  bonding: rename bonding_sysfs_slave.c to _port.c
  bonding: update Documentation for port/bond terminology
  bonding: make Kconfig toggle to disable legacy interfaces

 .clang-format                                 |    4 +-
 Documentation/networking/bonding.rst          |  440 ++--
 drivers/infiniband/core/cma.c                 |    2 +-
 drivers/infiniband/core/lag.c                 |    2 +-
 drivers/infiniband/core/roce_gid_mgmt.c       |   10 +-
 drivers/infiniband/hw/mlx4/main.c             |    2 +-
 drivers/net/Kconfig                           |   12 +
 drivers/net/bonding/Makefile                  |    2 +-
 drivers/net/bonding/bond_3ad.c                | 1701 ++++++------
 drivers/net/bonding/bond_alb.c                |  689 ++---
 drivers/net/bonding/bond_debugfs.c            |    2 +-
 drivers/net/bonding/bond_main.c               | 2339 +++++++++--------
 drivers/net/bonding/bond_netlink.c            |  114 +-
 drivers/net/bonding/bond_options.c            |  258 +-
 drivers/net/bonding/bond_procfs.c             |  102 +-
 drivers/net/bonding/bond_sysfs.c              |  242 +-
 drivers/net/bonding/bond_sysfs_port.c         |  187 ++
 drivers/net/bonding/bond_sysfs_slave.c        |  176 --
 .../ethernet/chelsio/cxgb3/cxgb3_offload.c    |    2 +-
 .../net/ethernet/mellanox/mlx4/en_netdev.c    |   14 +-
 .../ethernet/mellanox/mlx5/core/en/rep/bond.c |    4 +-
 .../net/ethernet/mellanox/mlx5/core/en_tc.c   |    2 +-
 .../ethernet/netronome/nfp/flower/lag_conf.c  |    2 +-
 .../ethernet/qlogic/netxen/netxen_nic_main.c  |   12 +-
 include/linux/netdevice.h                     |   22 +-
 include/net/bond_3ad.h                        |   42 +-
 include/net/bond_alb.h                        |   74 +-
 include/net/bond_options.h                    |   18 +-
 include/net/bonding.h                         |  362 +--
 include/net/lag.h                             |    2 +-
 30 files changed, 3512 insertions(+), 3328 deletions(-)
 create mode 100644 drivers/net/bonding/bond_sysfs_port.c
 delete mode 100644 drivers/net/bonding/bond_sysfs_slave.c

-- 
2.27.0