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bh=GhrExP7r9Lqj/EIuisGQgRopBnOcNk7DxGe2rf7dlgo=; h=Subject:From:To:Date:In-Reply-To:References:From; b=UNxF9w5d9iC0ue/ViUiPwuj0ZCBbA5AvWUwTess7QdFQgXXvvdzPoOVYyPAlDj2aK qjfugzr748VwUFPLFO7HkbWptPuQn7vQqbsH0cb1cL811AnuVD7csnn/2dXlMnNAjN wsek41Ywk0uDe4ejvApgcsL0BqVazSnaj4dOBw0ydu+h1IhJia8MdiSOswlpLO5QuC gmjXRPGRcieUobEgD1V4KTnkt/lUoT3aiM+UUm+jYuQeaxn6ULGoItfiRjyTd5DXRp A344IUkPUL3Eu/a4mZhFMA8WQRcvJKooXeLANDtW+UqsTqS22ZrziHNxloD9Wu6YWR kGzeH1HWszFUg== Message-ID: <11797f07d5589c3a35e406c5b756915dca99b345.camel@kernel.org> Subject: Re: [PATCH v4 0/3] Make nfs stats visible in network NS From: Jeff Layton To: Josef Bacik , trond.myklebust@hammerspace.com, anna@kernel.org, linux-nfs@vger.kernel.org, kernel-team@fb.com Date: Mon, 29 Jan 2024 06:17:10 -0500 In-Reply-To: References: Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; 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kZWuOsJdJQdmwlWC5L5ln9xgfr/4mOY38B0U= Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 (3.50.3-1.fc39) Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Fri, 2024-01-26 at 16:48 -0500, Josef Bacik wrote: > v1: https://lore.kernel.org/linux-nfs/cover.1706124811.git.josef@toxicpan= da.com/ > v2: https://lore.kernel.org/linux-nfs/cover.1706212207.git.josef@toxicpan= da.com/ > v3: https://lore.kernel.org/linux-nfs/cover.1706283674.git.josef@toxicpan= da.com/ >=20 > v3->v4: > - Fix a weird formatting thing that snuck into 1/3. >=20 > v2->v3: > - Split out the nfs and nfsd related changes into their own patches. > - Dropped the change adding sv_stats throuch svc_create() > - Changed the th_cnt to be global, re-arranged it's location. >=20 > v1->v2: > - rework the sunprc service creation to take a pointer to the sv_stats. > - dropped ->pg_stats from the svc_program. > - converted all of the nfsd global stats to per-network namespace. > - added the ability to point at a specific rpc_stat for rpc program creat= ion. > - converted the rpc stats for nfs to per-network namespace. >=20 > -- Original email -- > Hello, >=20 > We're currently deploying NFS internally and have run into some oddities = with > our usage of containers. All of the services that mount and export NFS v= olumes > run inside of containers, specifically all the namespaces including netwo= rk > namespaces. Our monitoring is done on a per-container basis, so we need = access > to the nfs and nfsd stats that are under /proc/net/sunrpc. However these= are > only tied to the init_net, which makes them invisible to containers in a > different network namespace. >=20 > Fix this so that these files are tied to the network namespace. This all= ows us > to avoid the hack of bind mounting the hosts /proc into the container in = order > to do proper monitoring. Thanks, >=20 > Josef >=20 > Josef Bacik (3): > sunrpc: add a struct rpc_stats arg to rpc_create_args > nfs: expose /proc/net/sunrpc/nfs in net namespaces > nfs: make the rpc_stat per net namespace >=20 > fs/nfs/client.c | 5 ++++- > fs/nfs/inode.c | 8 ++++---- > fs/nfs/internal.h | 2 -- > fs/nfs/netns.h | 2 ++ > include/linux/sunrpc/clnt.h | 1 + > net/sunrpc/clnt.c | 2 +- > 6 files changed, 12 insertions(+), 8 deletions(-) >=20 This all looks good to me. You can add: Reviewed-by: Jeff Layton