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-rw-r--r--fs/9p/mux.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/9p/mux.c b/fs/9p/mux.c
index 8ebc1af2c245..0854bef58c16 100644
--- a/fs/9p/mux.c
+++ b/fs/9p/mux.c
@@ -324,6 +324,26 @@ v9fs_mux_rpc(struct v9fs_session_info *v9ses, struct v9fs_fcall *tcall,
}
/**
+ * v9fs_mux_cancel_requests - cancels all pending requests
+ *
+ * @v9ses: session info structure
+ * @err: error code to return to the requests
+ */
+void v9fs_mux_cancel_requests(struct v9fs_session_info *v9ses, int err)
+{
+ struct v9fs_rpcreq *rptr;
+ struct v9fs_rpcreq *rreq;
+
+ dprintk(DEBUG_MUX, " %d\n", err);
+ spin_lock(&v9ses->muxlock);
+ list_for_each_entry_safe(rreq, rptr, &v9ses->mux_fcalls, next) {
+ rreq->err = err;
+ }
+ spin_unlock(&v9ses->muxlock);
+ wake_up_all(&v9ses->read_wait);
+}
+
+/**
* v9fs_recvproc - kproc to handle demultiplexing responses
* @data: session info structure
*