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Thu, 09 Jul 2026 02:55:58 -0700 (PDT) From: Jiri Pirko To: linux-rdma@vger.kernel.org Cc: cgroups@vger.kernel.org, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-kselftest@vger.kernel.org, jgg@ziepe.ca, leon@kernel.org, parav@nvidia.com, mbloch@nvidia.com, cmeiohas@nvidia.com, roman.gushchin@linux.dev, bvanassche@acm.org, zyjzyj2000@gmail.com, shuah@kernel.org, tj@kernel.org, mkoutny@suse.com, hannes@cmpxchg.org, alibuda@linux.alibaba.com, dust.li@linux.alibaba.com, sidraya@linux.ibm.com, wenjia@linux.ibm.com Subject: [PATCH rdma-next 07/13] RDMA/srp: Make the SRP sysfs class net namespace aware Date: Thu, 9 Jul 2026 11:55:26 +0200 Message-ID: <20260709095532.855647-8-jiri@resnulli.us> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260709095532.855647-1-jiri@resnulli.us> References: <20260709095532.855647-1-jiri@resnulli.us> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jiri Pirko Tag srp_class by the RDMA device's net namespace so SRP hosts derived from same-named RDMA devices can coexist across namespaces. Signed-off-by: Jiri Pirko --- drivers/infiniband/ulp/srp/ib_srp.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index acbd787de265..a070fcf86e8a 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -3189,10 +3189,24 @@ static struct attribute *srp_class_attrs[]; ATTRIBUTE_GROUPS(srp_class); +/* + * SRP hosts are named after their ib device, so tag the class by the ib + * device's net namespace. + */ +static const struct ns_common *srp_net_namespace(const struct device *dev) +{ + struct srp_host *host = container_of(dev, struct srp_host, dev); + struct net *net = rdma_dev_net(host->srp_dev->dev); + + return net ? to_ns_common(net) : NULL; +} + static struct class srp_class = { .name = "infiniband_srp", .dev_groups = srp_class_groups, - .dev_release = srp_release_dev + .dev_release = srp_release_dev, + .ns_type = &net_ns_type_operations, + .namespace = srp_net_namespace, }; /** -- 2.54.0