From: Kefu Chai <kchai@redhat.com>
Date: Fri, 2 Jul 2021 03:32:15 +0000 (+0800)
Subject: crimson/os/seastore: read_set_t<> should be an alias of set<>
X-Git-Tag: v17.1.0~1488^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0c741cd0bd77be8e252c8edea4628db8e8edffbb;p=ceph.git

crimson/os/seastore: read_set_t<> should be an alias of set<>

we don't extend it by inheriting from this class. what we need is to
have a convenient template alias here.

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

diff --git a/src/crimson/os/seastore/cached_extent.h b/src/crimson/os/seastore/cached_extent.h
index a5dde1a869e8..c14ec2a1b3bf 100644
--- a/src/crimson/os/seastore/cached_extent.h
+++ b/src/crimson/os/seastore/cached_extent.h
@@ -69,9 +69,9 @@ public:
   ~read_set_item_t();
 };
 template <typename T>
-struct read_set_t : public std::set<
+using read_set_t = std::set<
   read_set_item_t<T>,
-  typename read_set_item_t<T>::cmp_t> {};
+  typename read_set_item_t<T>::cmp_t>;
 
 class ExtentIndex;
 class CachedExtent : public boost::intrusive_ref_counter<