From: Changcheng Liu <changcheng.liu@aliyun.com>
Date: Wed, 18 Mar 2020 02:57:59 +0000 (+0800)
Subject: librbd: overload operator to output BlockExtent
X-Git-Tag: v16.1.0~2739^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=15fefde7a108f5159ba365e981542558a4e79471;p=ceph.git

librbd: overload operator to output BlockExtent

Signed-off-by: Changcheng Liu <changcheng.liu@aliyun.com>
---

diff --git a/src/librbd/BlockGuard.h b/src/librbd/BlockGuard.h
index a9c2fd8b3950..de1c0fcecc37 100644
--- a/src/librbd/BlockGuard.h
+++ b/src/librbd/BlockGuard.h
@@ -30,6 +30,12 @@ struct BlockExtent {
   BlockExtent(uint64_t block_start, uint64_t block_end)
     : block_start(block_start), block_end(block_end) {
   }
+
+  friend ostream& operator<< (ostream& os, const BlockExtent& block_extent) {
+    os << "[block_start = " << block_extent.block_start << ", "
+       << "block_end = " << block_extent.block_end << ")";
+    return os;
+  }
 };
 
 struct BlockGuardCell {