From: Adam Kupczyk <akupczyk@ibm.com>
Date: Mon, 16 Jan 2023 09:28:47 +0000 (+0000)
Subject: os/bluestore: Add operator<< for BufferSpace
X-Git-Tag: v19.0.0~486^2~31
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=546e40091cc82d8d8b153b7678a2e62d7494e880;p=ceph.git

os/bluestore: Add operator<< for BufferSpace

Signed-off-by: Adam Kupczyk <akupczyk@ibm.com>
---

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 0ab8a77c1ed0..c7cfbf9029c0 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -1943,6 +1943,23 @@ void BlueStore::BufferSpace::split(BufferCacheShard* cache, size_t pos, BlueStor
   cache->_trim();
 }
 
+// lists content of BufferSpace
+// BufferSpace must be under exclusive access
+std::ostream& operator<<(std::ostream& out, const BlueStore::BufferSpace& bc)
+{
+  for (auto& [i, j] : bc.buffer_map) {
+    out << " [0x" << std::hex << i << "]=" << *j << std::dec;
+  }
+  if (!bc.writing.empty()) {
+    out << " writing:";
+    for (auto i = bc.writing.begin(); i != bc.writing.end(); ++i) {
+      out << " " << *i;
+    }
+  }
+  return out;
+}
+
+
 // OnodeSpace
 
 #undef dout_prefix
diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index ef8e380dbb36..e2ed810c0b35 100644
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -477,6 +477,7 @@ public:
       }
       f->close_section();
     }
+    friend std::ostream& operator<<(std::ostream& out, const BufferSpace& bc);
   };
 
   struct SharedBlobSet;