9p: Make sure we are able to clunk the cached fid on umount
dcache prune happen on umount. So we cannot mark the client
satus disconnect. That will prevent a 9p call to the server
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 2f814cf..0b78ae8 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -342,6 +342,19 @@
p9_client_disconnect(v9ses->clnt);
}
+/**
+ * v9fs_session_begin_cancel - Begin terminate of a session
+ * @v9ses: session to terminate
+ *
+ * After this call we don't allow any request other than clunk.
+ */
+
+void v9fs_session_begin_cancel(struct v9fs_session_info *v9ses)
+{
+ P9_DPRINTK(P9_DEBUG_ERROR, "begin cancel session %p\n", v9ses);
+ p9_client_begin_disconnect(v9ses->clnt);
+}
+
extern int v9fs_error_init(void);
static struct kobject *v9fs_kobj;