From 618ea258b6651745210fcc54699d4b39aba24f4e Mon Sep 17 00:00:00 2001
From: Radoslaw Zarzynski <rzarzyns@redhat.com>
Date: Tue, 5 Sep 2017 13:35:47 +0200
Subject: [PATCH] os/bluestore: make the StupidAllocator aware about bulk
 releases.

Signed-off-by: Radoslaw Zarzynski <rzarzyns@redhat.com>
(cherry picked from commit cb0420ea0b343e7659807b33389ff2354a1319ed)
---
 src/os/bluestore/StupidAllocator.cc | 16 ++++++++++++++++
 src/os/bluestore/StupidAllocator.h  |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/src/os/bluestore/StupidAllocator.cc b/src/os/bluestore/StupidAllocator.cc
index 65d7baf59d8b..6aa527fe9538 100644
--- a/src/os/bluestore/StupidAllocator.cc
+++ b/src/os/bluestore/StupidAllocator.cc
@@ -250,6 +250,22 @@ void StupidAllocator::release(
   num_free += length;
 }
 
+void StupidAllocator::release(
+  const interval_set<uint64_t>& release_set)
+{
+  std::lock_guard<std::mutex> l(lock);
+  for (interval_set<uint64_t>::const_iterator p = release_set.begin();
+       p != release_set.end();
+       ++p) {
+    const auto offset = p.get_start();
+    const auto length = p.get_len();
+    ldout(cct, 10) << __func__ << " 0x" << std::hex << offset << "~" << length
+		   << std::dec << dendl;
+    _insert_free(offset, length);
+    num_free += length;
+  }
+}
+
 uint64_t StupidAllocator::get_free()
 {
   std::lock_guard<std::mutex> l(lock);
diff --git a/src/os/bluestore/StupidAllocator.h b/src/os/bluestore/StupidAllocator.h
index bcce08232164..d432868b38a7 100644
--- a/src/os/bluestore/StupidAllocator.h
+++ b/src/os/bluestore/StupidAllocator.h
@@ -51,6 +51,8 @@ public:
 
   void release(
     uint64_t offset, uint64_t length) override;
+  void release(
+    const interval_set<uint64_t>& release_set) override;
 
   uint64_t get_free() override;
 
-- 
2.47.3