From: Samuel Just <sjust@redhat.com>
Date: Sat, 31 Oct 2020 00:03:04 +0000 (-0700)
Subject: crimson/os/seastore/journal: send aligned buffer in initialize_segment
X-Git-Tag: v16.1.0~284^2~27
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=d7bb905a930f6393a0c87523eb8d9f0b4e623fd3;p=ceph.git

crimson/os/seastore/journal: send aligned buffer in initialize_segment

Signed-off-by: Samuel Just <sjust@redhat.com>
---

diff --git a/src/crimson/os/seastore/journal.cc b/src/crimson/os/seastore/journal.cc
index a991d669a140..7fd24120c217 100644
--- a/src/crimson/os/seastore/journal.cc
+++ b/src/crimson/os/seastore/journal.cc
@@ -54,6 +54,15 @@ Journal::initialize_segment(Segment &segment)
     segment_provider->get_journal_tail_target()};
   ::encode(header, bl);
 
+  bufferptr bp(
+    ceph::buffer::create_page_aligned(
+      segment_manager.get_block_size()));
+  bp.zero();
+  auto iter = bl.cbegin();
+  iter.copy(bl.length(), bp.c_str());
+  bl.clear();
+  bl.append(bp);
+
   written_to = segment_manager.get_block_size();
   return segment.write(0, bl).safe_then(
     [=] {