From: Kefu Chai <kchai@redhat.com>
Date: Tue, 20 Jul 2021 14:47:07 +0000 (+0800)
Subject: crimson/tools/store_nbd: mark padding variable with [[maybe_unused]]
X-Git-Tag: v17.1.0~1346^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=9f70239ef007392a9ce4c421fe944164fdad6ca0;p=ceph-ci.git

crimson/tools/store_nbd: mark padding variable with [[maybe_unused]]

also silences -Wunused-variable warning from GCC

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/crimson/tools/store_nbd/store-nbd.cc b/src/crimson/tools/store_nbd/store-nbd.cc
index 17f8cfa1d43..149373601dc 100644
--- a/src/crimson/tools/store_nbd/store-nbd.cc
+++ b/src/crimson/tools/store_nbd/store-nbd.cc
@@ -321,7 +321,7 @@ class nbd_oldstyle_negotiation_t {
   uint64_t magic2 = seastar::cpu_to_be(0x00420281861253);  // "IHAVEOPT"
   uint64_t size = 0;
   uint32_t flags = seastar::cpu_to_be(0);
-  char reserved[124] = {0};
+  [[maybe_unused]] char reserved[124] = {0};
 
 public:
   nbd_oldstyle_negotiation_t(uint64_t size, uint32_t flags)