scsi: target: add session removal function

This adds a function to remove a session which should be used by drivers
that use target_setup_session. The next patches will convert the target
drivers to use this new function.

Signed-off-by: Mike Christie <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Cc: Chris Boot <[email protected]>
Cc: Bryant G. Ly <[email protected]>
Cc: Michael Cyr <[email protected]>
Cc: <[email protected]>
Cc: Johannes Thumshirn <[email protected]>
Cc: Felipe Balbi <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Andrzej Pietrasiewicz <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Cc: Juergen Gross <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 57fadec2d1ae..86c0156e6c88 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -616,6 +616,13 @@ void transport_deregister_session(struct se_session *se_sess)
 }
 EXPORT_SYMBOL(transport_deregister_session);
 
+void target_remove_session(struct se_session *se_sess)
+{
+	transport_deregister_session_configfs(se_sess);
+	transport_deregister_session(se_sess);
+}
+EXPORT_SYMBOL(target_remove_session);
+
 static void target_remove_from_state_list(struct se_cmd *cmd)
 {
 	struct se_device *dev = cmd->se_dev;
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index fbcc9a4025b9..f4147b398431 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -114,6 +114,7 @@ struct se_session *target_setup_session(struct se_portal_group *,
 		const char *, void *,
 		int (*callback)(struct se_portal_group *,
 				struct se_session *, void *));
+void target_remove_session(struct se_session *);
 
 void transport_init_session(struct se_session *);
 struct se_session *transport_alloc_session(enum target_prot_op);