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-rw-r--r--include/block/nbd.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/block/nbd.h b/include/block/nbd.h
index b69bf1dc68..d326308656 100644
--- a/include/block/nbd.h
+++ b/include/block/nbd.h
@@ -74,11 +74,13 @@ typedef struct NBDReply NBDReply;
/* New-style handshake (global) flags, sent from server to client, and
control what will happen during handshake phase. */
-#define NBD_FLAG_FIXED_NEWSTYLE (1 << 0) /* Fixed newstyle protocol. */
+#define NBD_FLAG_FIXED_NEWSTYLE (1 << 0) /* Fixed newstyle protocol. */
+#define NBD_FLAG_NO_ZEROES (1 << 1) /* End handshake without zeroes. */
/* New-style client flags, sent from client to server to control what happens
during handshake phase. */
-#define NBD_FLAG_C_FIXED_NEWSTYLE (1 << 0) /* Fixed newstyle protocol. */
+#define NBD_FLAG_C_FIXED_NEWSTYLE (1 << 0) /* Fixed newstyle protocol. */
+#define NBD_FLAG_C_NO_ZEROES (1 << 1) /* End handshake without zeroes. */
/* Reply types. */
#define NBD_REP_ACK (1) /* Data sending finished. */