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-rw-r--r--net/9p/client.c33
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);