[Patch v6 11/22] CIFS: SMBD: Implement function to destroy a SMB Direct connection
From: Long Li
Date: Sun Nov 05 2017 - 01:49:53 EST
From: Long Li <longli@xxxxxxxxxxxxx>
Add function to tear down a SMB Direct connection. This is used by upper
layer to free all SMB Direct connection and transport resources.
Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
---
fs/cifs/smbdirect.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
index f3ae3dc..5952276 100644
--- a/fs/cifs/smbdirect.c
+++ b/fs/cifs/smbdirect.c
@@ -1393,6 +1393,22 @@ static void idle_connection_timer(struct work_struct *work)
info->keep_alive_interval*HZ);
}
+/* Destroy this SMBD connection, called from upper layer */
+void smbd_destroy(struct smbd_connection *info)
+{
+ log_rdma_event(INFO, "destroying rdma session\n");
+
+ /* Kick off the disconnection process */
+ smbd_disconnect_rdma_connection(info);
+
+ log_rdma_event(INFO, "wait for transport being destroyed\n");
+ wait_event(info->wait_destroy,
+ info->transport_status == SMBD_DESTROYED);
+
+ destroy_workqueue(info->workqueue);
+ kfree(info);
+}
+
/*
* Reconnect this SMBD connection, called from upper layer
* return value: 0 on success, or actual error code
--
2.7.4