From: Alex Ainscow <aainscow@uk.ibm.com>
Date: Wed, 8 Jan 2025 22:14:02 +0000 (+0000)
Subject: interval_set: contains() returns true if a specified interval is entirely contained... 
X-Git-Tag: v20.0.0~286^2~9
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=c10ec8edd67cf0382bcabcde52777bf912748854;p=ceph.git

interval_set: contains() returns true if a specified interval is entirely contained within the set.

Signed-off-by: Alex Ainscow <aainscow@uk.ibm.com>
---

diff --git a/src/include/interval_set.h b/src/include/interval_set.h
index dfb2a306ca21..2e2e47e0d345 100644
--- a/src/include/interval_set.h
+++ b/src/include/interval_set.h
@@ -440,6 +440,11 @@ class interval_set {
     if (p->first+p->second < start+len) return false;
     return true;
   }
+  bool contains(interval_set const &other) const {
+    interval_set tmp;
+    tmp.intersection_of(*this, other);
+    return tmp == other;
+  }
   bool intersects(T start, T len) const {
     interval_set a;
     a.insert(start, len);