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| author | Nicholas Bellinger | 2015-03-07 05:34:32 +0100 |
|---|---|---|
| committer | Nicholas Bellinger | 2015-03-07 06:24:53 +0100 |
| commit | f8e471f9eb9068bf5ac8c6a04da74329a442f75a (patch) | |
| tree | 043f0d1b6029db33812fccfad085676806a96872 /include | |
| parent | target: rewrite fd_execute_write_same (diff) | |
| download | kernel-qcow2-linux-f8e471f9eb9068bf5ac8c6a04da74329a442f75a.tar.gz kernel-qcow2-linux-f8e471f9eb9068bf5ac8c6a04da74329a442f75a.tar.xz kernel-qcow2-linux-f8e471f9eb9068bf5ac8c6a04da74329a442f75a.zip | |
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')
| -rw-r--r-- | include/target/target_core_fabric.h | 1 | ||||
| -rw-r--r-- | include/target/target_core_fabric_configfs.h | 5 |
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 = \ |