rbd-nbd: fix typo in comment.

Signed-off-by: Pan Liu <liupan1111@gmail.com>

diff --git a/src/tools/rbd_nbd/rbd-nbd.cc b/src/tools/rbd_nbd/rbd-nbd.cc
index 4960e805d3f0cecaf7255b4002cc03ca35e3ea9c..ebb143f69fee56409b024413c4dcec8127f8b0de 100644 (file)
--- a/src/tools/rbd_nbd/rbd-nbd.cc
+++ b/src/tools/rbd_nbd/rbd-nbd.cc
@@ -253,7 +253,7 @@ private:
       switch (ctx->command)
       {
         case NBD_CMD_DISC:
-          // RBD_DO_IT will return when pipe is closed
+          // NBD_DO_IT will return when pipe is closed
          dout(0) << "disconnect request received" << dendl;
           return;
         case NBD_CMD_WRITE: