NBD_CMD_DISC is a disconnect request, not a data discard request.

Signed-off-by: Eric Blake <eblake@redhat.com>
---

Although this is not 2.10 material in isolation (it is only a
bad trace message), I don't mind including it in a larger pull
request; I'm still planning to fix the issue of a client hanging
on a malicious server in time for -rc3 (whether via Vladimir's
patch or a smaller one that I'm testing locally).

 nbd/common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nbd/common.c b/nbd/common.c
index a2f28f2eec..e288d1b972 100644
--- a/nbd/common.c
+++ b/nbd/common.c
@@ -182,7 +182,7 @@ const char *nbd_cmd_lookup(uint16_t cmd)
     case NBD_CMD_WRITE:
         return "write";
     case NBD_CMD_DISC:
-        return "discard";
+        return "disconnect";
     case NBD_CMD_FLUSH:
         return "flush";
     case NBD_CMD_TRIM:
-- 
2.13.4

On Thu, Aug 10, 2017 at 08:57:48PM -0500, Eric Blake wrote:
> NBD_CMD_DISC is a disconnect request, not a data discard request.
> 
> Signed-off-by: Eric Blake <eblake@redhat.com>
> ---
> 
> Although this is not 2.10 material in isolation (it is only a
> bad trace message), I don't mind including it in a larger pull
> request; I'm still planning to fix the issue of a client hanging
> on a malicious server in time for -rc3 (whether via Vladimir's
> patch or a smaller one that I'm testing locally).
> 
>  nbd/common.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>