From c43d6f799e25ac8ac4b975d28332f03f4c2bf090 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 3 Mar 2022 16:19:07 -0500
Subject: [PATCH] ceph_test_rados_io_pp: verify sparse_read behavior with
 non-zero truncate_seq

Fixes: http://tracker.ceph.com/issues/54280
Signed-off-by: Jeff Layton <jlayton@redhat.com>
(cherry picked from commit 387c7f33e232a4e982aeba3b185923efe42137aa)
---
 src/test/librados/io_cxx.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/test/librados/io_cxx.cc b/src/test/librados/io_cxx.cc
index 64d03380b765d..455654b6e923f 100644
--- a/src/test/librados/io_cxx.cc
+++ b/src/test/librados/io_cxx.cc
@@ -201,6 +201,19 @@ TEST_F(LibRadosIoPP, SparseReadOpPP) {
     ASSERT_EQ(0, rval);
     assert_eq_sparse(bl, extents, read_bl);
   }
+  {
+    bufferlist bl;
+    bl.append(buf, sizeof(buf) / 2);
+
+    std::map<uint64_t, uint64_t> extents;
+    bufferlist read_bl;
+    int rval = -1;
+    ObjectReadOperation op;
+    op.sparse_read(0, sizeof(buf), &extents, &read_bl, &rval, sizeof(buf) / 2, 1);
+    ASSERT_EQ(0, ioctx.operate("foo", &op, nullptr));
+    ASSERT_EQ(0, rval);
+    assert_eq_sparse(bl, extents, read_bl);
+  }
 }
 
 TEST_F(LibRadosIoPP, RoundTripPP) {
-- 
2.39.5