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authorNicholas Bellinger <nab@linux-iscsi.org>2015-03-07 07:34:32 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2015-03-07 08:24:53 +0300
commitf8e471f9eb9068bf5ac8c6a04da74329a442f75a (patch)
tree043f0d1b6029db33812fccfad085676806a96872 /include/target
parentd4c5dcacfaffb7493d161d5cd0fbb7b1190b7bd5 (diff)
downloadlinux-f8e471f9eb9068bf5ac8c6a04da74329a442f75a.tar.xz
target: Add target_show_dynamic_sessions attribute helper
This patch adds a new helper function that can be used by fabric driver TPG attributes for dumping the list of active sessions with a dynamically generated se_node_acl. (generate_node_acl=1). It prints one se_node_acl->initiatorname per line, up to PAGE_SIZE which is due to the current limitiation of single page attribute output within sysfs and configfs code. Note that if a session is referencing a explicit NodeACL, the InitiatorName will not appear within dynamic_sessions output. Reported-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'include/target')
-rw-r--r--include/target/target_core_fabric.h1
-rw-r--r--include/target/target_core_fabric_configfs.h5
2 files changed, 6 insertions, 0 deletions
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 22a4e98eec80..2f4a2505db4c 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -95,6 +95,7 @@ void transport_register_session(struct se_portal_group *,
struct se_node_acl *, struct se_session *, void *);
void target_get_session(struct se_session *);
void target_put_session(struct se_session *);
+ssize_t target_show_dynamic_sessions(struct se_portal_group *, char *);
void transport_free_session(struct se_session *);
void target_put_nacl(struct se_node_acl *);
void transport_deregister_session_configfs(struct se_session *);
diff --git a/include/target/target_core_fabric_configfs.h b/include/target/target_core_fabric_configfs.h
index b32a14905cfa..7a0649c09e79 100644
--- a/include/target/target_core_fabric_configfs.h
+++ b/include/target/target_core_fabric_configfs.h
@@ -90,6 +90,11 @@ static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \
_fabric##_tpg_store_##_name);
+#define TF_TPG_BASE_ATTR_RO(_fabric, _name) \
+static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ _fabric##_tpg_show_##_name);
+
CONFIGFS_EATTR_STRUCT(target_fabric_wwn, target_fabric_configfs);
#define TF_WWN_ATTR(_fabric, _name, _mode) \
static struct target_fabric_wwn_attribute _fabric##_wwn_##_name = \