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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>
This commit is contained in:
Andy Grover 2015-12-21 18:48:05 -08:00 committed by Nicholas Bellinger
parent 3bb67df5b5
commit 091b70623e
1 changed files with 22 additions and 0 deletions
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22
drivers/target/tcm_fc/tfc_conf.c
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@ -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,
};