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Subject: Re: [PATCH 0/7 V4] The NFSv4 only mounting daemon.
From:   Steve Dickson <SteveD@RedHat.com>
To:     Linux NFS Mailing list <linux-nfs@vger.kernel.org>
References: <20210219200815.792667-1-steved@redhat.com>
Message-ID: <14a861eb-1a89-1ce7-6d2a-6fa3495b25aa@RedHat.com>
Date:   Sat, 20 Feb 2021 11:33:09 -0500
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On 2/19/21 3:08 PM, Steve Dickson wrote:
> nfsv4.exportd is a daemon that will listen for only v4 mount upcalls.
> The idea is to allow distros to build a v4 only package
> which will have a much smaller footprint than the
> entire nfs-utils package.
> 
> exportd uses no RPC code, which means none of the 
> code or arguments that deal with v3 was ported, 
> this again, makes the footprint much smaller. 
> 
> The following options were ported:
>     * multiple threads
>     * state-directory-path option
>     * junction support (not tested)
> 
> The rest of the mountd options were v3 only options.
> 
> V2:
>   * Added two systemd services: nfsv4-exportd and nfsv4-server
>   * nfsv4-server starts rpc.nfsd -N 3, so nfs.conf mod not needed.
> 
> V3: Changed the name from exportd to nfsv4.exportd
> 
> V4: Added compile flag that will compile in the NFSv4 only server
Patch set Committed... (tag:  nfs-utils-2-5-3-rc6)

steved.
> 
> Steve Dickson (7):
>   exportd: the initial shell of the v4 export support
>   exportd: Moved cache upcalls routines into libexport.a
>   exportd: multiple threads
>   exportd/exportfs: Add the state-directory-path option
>   exportd: Enabled junction support
>   exportd: systemd unit files
>   exportd: Added config variable to compile in the NFSv4 only server.
> 
>  .gitignore                                |   1 +
>  configure.ac                              |  14 ++
>  nfs.conf                                  |   4 +
>  support/export/Makefile.am                |   3 +-
>  {utils/mountd => support/export}/auth.c   |   4 +-
>  {utils/mountd => support/export}/cache.c  |  46 +++-
>  support/export/export.h                   |  34 +++
>  {utils/mountd => support/export}/fsloc.c  |   0
>  {utils/mountd => support/export}/v4root.c |   0
>  {utils/mountd => support/include}/fsloc.h |   0
>  systemd/Makefile.am                       |   6 +
>  systemd/nfs.conf.man                      |  10 +
>  systemd/nfsv4-exportd.service             |  12 +
>  systemd/nfsv4-server.service              |  31 +++
>  utils/Makefile.am                         |   4 +
>  utils/exportd/Makefile.am                 |  65 +++++
>  utils/exportd/exportd.c                   | 276 ++++++++++++++++++++++
>  utils/exportd/exportd.man                 |  81 +++++++
>  utils/exportfs/exportfs.c                 |  21 +-
>  utils/exportfs/exportfs.man               |   7 +-
>  utils/mountd/Makefile.am                  |   5 +-
>  21 files changed, 606 insertions(+), 18 deletions(-)
>  rename {utils/mountd => support/export}/auth.c (99%)
>  rename {utils/mountd => support/export}/cache.c (98%)
>  create mode 100644 support/export/export.h
>  rename {utils/mountd => support/export}/fsloc.c (100%)
>  rename {utils/mountd => support/export}/v4root.c (100%)
>  rename {utils/mountd => support/include}/fsloc.h (100%)
>  create mode 100644 systemd/nfsv4-exportd.service
>  create mode 100644 systemd/nfsv4-server.service
>  create mode 100644 utils/exportd/Makefile.am
>  create mode 100644 utils/exportd/exportd.c
>  create mode 100644 utils/exportd/exportd.man
>