From 091b70623e2b9caee1c27190c3a5614b3563a672 Mon Sep 17 00:00:00 2001
From: Andy Grover <agrover@redhat.com>
Date: Mon, 21 Dec 2015 18:48:05 -0800
Subject: [PATCH] target/fcoe: Add tag support to tcm_fc
Add the 'tag' attribute to FC node ACLs. This is not used by kernel code,
but gives userspace a place to store a tag string. This is used to provide
support for initiator groups in targetcli.
Just copy iscsi's implementation for tcm_fc. A few other fabrics that
support acls also need this, to be submitted separately after the holidays.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
drivers/target/tcm_fc/tfc_conf.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 85aeaa0ad303b..9cdb2acfd6261 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -171,9 +171,31 @@ static ssize_t ft_nacl_node_name_store(struct config_item *item,
CONFIGFS_ATTR(ft_nacl_, node_name);
CONFIGFS_ATTR(ft_nacl_, port_name);
+static ssize_t ft_nacl_tag_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%s", acl_to_nacl(item)->acl_tag);
+}
+
+static ssize_t ft_nacl_tag_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_node_acl *se_nacl = acl_to_nacl(item);
+ int ret;
+
+ ret = core_tpg_set_initiator_node_tag(se_nacl->se_tpg, se_nacl, page);
+
+ if (ret < 0)
+ return ret;
+ return count;
+}
+
+CONFIGFS_ATTR(ft_nacl_, tag);
+
static struct configfs_attribute *ft_nacl_base_attrs[] = {
&ft_nacl_attr_port_name,
&ft_nacl_attr_node_name,
+ &ft_nacl_attr_tag,
NULL,
};
--
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