From: Long Li <longli@exchange.microsoft.com>
To: Steve French <sfrench@samba.org>,
linux-cifs@vger.kernel.org, samba-technical@lists.samba.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Tom Talpey <ttalpey@microsoft.com>,
Matthew Wilcox <mawilcox@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>
Cc: Long Li <longli@microsoft.com>
Subject: [Patch v5 09/21] CIFS: SMBD: Implement function to destroy a SMB Direct connection
Date: Wed, 18 Oct 2017 16:09:08 -0700 [thread overview]
Message-ID: <20171018230920.21042-10-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171018230920.21042-1-longli@exchange.microsoft.com>
From: Long Li <longli@microsoft.com>
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@microsoft.com>
---
fs/cifs/smbdirect.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c
index f54e7d8..f507de3 100644
--- a/fs/cifs/smbdirect.c
+++ b/fs/cifs/smbdirect.c
@@ -1392,6 +1392,22 @@ 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
next prev parent reply other threads:[~2017-10-18 23:13 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-18 23:08 [Patch v5 00/21] CIFS: Implement SMB Direct protocol Long Li
2017-10-18 23:09 ` [Patch v5 01/21] CIFS: SMBD: Add SMB Direct protocol initial values and constants Long Li
2017-10-18 23:09 ` [Patch v5 02/21] CIFS: SMBD: Establish SMB Direct connection Long Li
2017-11-01 17:19 ` Pavel Shilovsky
2017-11-01 18:48 ` Long Li
2017-10-18 23:09 ` [Patch v5 03/21] CIFS: SMBD: export protocol initial values Long Li
2017-10-18 23:09 ` [Patch v5 04/21] CIFS: SMBD: Add rdma mount option Long Li
2017-10-18 23:09 ` [Patch v5 05/21] CIFS: SMBD: Implement function to create a SMB Direct connection Long Li
2017-10-18 23:09 ` [Patch v5 06/21] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li
2017-10-18 23:09 ` [Patch v5 07/21] CIFS: SMBD: Implement function to reconnect to a SMB Direct transport Long Li
2017-10-18 23:09 ` [Patch v5 08/21] CIFS: SMBD: Upper layer reconnects to SMB Direct session Long Li
2017-11-01 18:04 ` Pavel Shilovsky
2017-11-01 19:44 ` Matthew Wilcox
2017-11-05 18:37 ` Long Li
2017-11-05 19:19 ` Long Li
2017-11-06 18:10 ` Matthew Wilcox
2017-11-06 18:59 ` Long Li
2017-11-06 20:25 ` Tom Talpey
2017-11-06 20:46 ` Long Li
2017-10-18 23:09 ` Long Li [this message]
2017-10-18 23:09 ` [Patch v5 10/21] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount Long Li
2017-10-18 23:09 ` [Patch v5 11/21] CIFS: SMBD: Set SMB Direct maximum read or write size for I/O Long Li
2017-10-18 23:09 ` [Patch v5 12/21] CIFS: SMBD: Implement function to receive data via RDMA receive Long Li
2017-10-18 23:09 ` [Patch v5 13/21] CIFS: SMBD: Upper layer receives " Long Li
2017-10-18 23:09 ` [Patch v5 14/21] CIFS: SMBD: Implement function to send data via RDMA send Long Li
2017-10-18 23:09 ` [Patch v5 15/21] CIFS: SMBD: Upper layer sends " Long Li
2017-10-18 23:09 ` [Patch v5 16/21] CIFS: SMBD: Implement RDMA memory registration Long Li
2017-10-18 23:09 ` [Patch v5 17/21] CIFS: SMBD: Upper layer performs SMB write via RDMA read through " Long Li
2017-10-18 23:09 ` [Patch v5 18/21] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li
2017-10-18 23:09 ` [Patch v5 19/21] CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O Long Li
2017-11-01 16:50 ` Pavel Shilovsky
2017-11-01 18:48 ` Long Li
2017-10-18 23:09 ` [Patch v5 20/21] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration Long Li
2017-10-18 23:09 ` [Patch v5 21/21] CIFS: SMBD: Add SMB Direct debug counters Long Li
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