1 files changed, 33 insertions, 0 deletions

diff --git a/net/9p/client.c b/net/9p/client.c
index 30c4a1b224fb..fbd2b195801c 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1803,3 +1803,36 @@ error:
 
 }
 EXPORT_SYMBOL(p9_client_mkdir_dotl);
+
+int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status)
+{
+        int err;
+        struct p9_client *clnt;
+        struct p9_req_t *req;
+
+        err = 0;
+        clnt = fid->clnt;
+        P9_DPRINTK(P9_DEBUG_9P, ">>> TLOCK fid %d type %i flags %d "
+                        "start %lld length %lld proc_id %d client_id %s\n",
+                        fid->fid, flock->type, flock->flags, flock->start,
+                        flock->length, flock->proc_id, flock->client_id);
+
+        req = p9_client_rpc(clnt, P9_TLOCK, "dbdqqds", fid->fid, flock->type,
+                                flock->flags, flock->start, flock->length,
+                                        flock->proc_id, flock->client_id);
+
+        if (IS_ERR(req))
+                return PTR_ERR(req);
+
+        err = p9pdu_readf(req->rc, clnt->proto_version, "b", status);
+        if (err) {
+                p9pdu_dump(1, req->rc);
+                goto error;
+        }
+        P9_DPRINTK(P9_DEBUG_9P, "<<< RLOCK status %i\n", *status);
+error:
+        p9_free_req(clnt, req);
+        return err;
+
+}
+EXPORT_SYMBOL(p9_client_lock_dotl);