From: Samuel Just <sjust@redhat.com>
Date: Wed, 25 Nov 2020 05:59:39 +0000 (-0800)
Subject: crimson/os/seastore/segment_manager: allocate page aligned in read helper
X-Git-Tag: v16.1.0~284^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a99882edcb31934ac2f0933c2e89448f70e327bd;p=ceph.git

crimson/os/seastore/segment_manager: allocate page aligned in read helper

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

diff --git a/src/crimson/os/seastore/segment_manager.h b/src/crimson/os/seastore/segment_manager.h
index 00b3cfc0c42d..61c6509d19f7 100644
--- a/src/crimson/os/seastore/segment_manager.h
+++ b/src/crimson/os/seastore/segment_manager.h
@@ -103,7 +103,8 @@ public:
   read_ertr::future<ceph::bufferptr> read(
     paddr_t addr,
     size_t len) {
-    auto ptrref = std::make_unique<ceph::bufferptr>(len);
+    auto ptrref = std::make_unique<ceph::bufferptr>(
+      buffer::create_page_aligned(len));
     return read(addr, len, *ptrref).safe_then(
       [ptrref=std::move(ptrref)]() mutable {
 	return read_ertr::make_ready_future<bufferptr>(std::move(*ptrref));