netdev - [PATCH 9/9] iscsi: filter flashnode sysfs by net namespace

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Message-Id: <20171107224513.4217-10-cleech@redhat.com>
Date:   Tue,  7 Nov 2017 14:45:13 -0800
From:   Chris Leech <cleech@...hat.com>
To:     netdev@...r.kernel.org, containers@...ts.linux-foundation.org
Subject: [PATCH 9/9] iscsi: filter flashnode sysfs by net namespace

Finished the net namespace support for flashnode sysfs devices

Signed-off-by: Chris Leech <cleech@...hat.com>
---
 drivers/scsi/scsi_transport_iscsi.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 5ffda170ac9d..783971d72c4c 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1268,8 +1268,41 @@ static int iscsi_is_flashnode_conn_dev(struct device *dev, void *data)
 	return dev->type == &iscsi_flashnode_conn_dev_type;
 }
 
+static struct net *iscsi_flashnode_sess_net(struct iscsi_flash_session *f_sess)
+{
+	struct Scsi_Host *shost = iscsi_flash_session_to_shost(f_sess);
+	struct iscsi_cls_host *ihost = shost->shost_data;
+
+	return iscsi_host_net(ihost);
+}
+
+static struct net *iscsi_flashnode_conn_net(struct iscsi_flash_conn *f_conn)
+{
+	struct iscsi_flash_session *f_sess =
+		iscsi_flash_conn_to_flash_session(f_conn);
+
+	return iscsi_flashnode_sess_net(f_sess);
+}
+
+static const void *iscsi_flashnode_namespace(struct device *dev)
+{
+	struct iscsi_flash_conn *f_conn;
+	struct iscsi_flash_session *f_sess;
+
+	if (iscsi_is_flashnode_conn_dev(dev, NULL)) {
+		f_conn = iscsi_dev_to_flash_conn(dev);
+		return iscsi_flashnode_conn_net(f_conn);
+	} else if (iscsi_is_flashnode_session_dev(dev)) {
+		f_sess = iscsi_dev_to_flash_session(dev);
+		return iscsi_flashnode_sess_net(f_sess);
+	}
+	return NULL;
+}
+
 static struct class iscsi_flashnode = {
 	.name = "iscsi_flashnode",
+	.ns_type = &net_ns_type_operations,
+	.namespace = iscsi_flashnode_namespace,
 };
 
 /**
-- 
2.9.5