From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 3 Mar 2022 18:30:31 +0000 (-0500)
Subject: librados: add ability to pass a truncate_size/seq to sparse_read
X-Git-Tag: v17.2.0~9^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0ea387dd941b60113a2c0af7928a48dd6a84058f;p=ceph.git

librados: add ability to pass a truncate_size/seq to sparse_read

Fixes: http://tracker.ceph.com/issues/54280
Signed-off-by: Jeff Layton <jlayton@redhat.com>
(cherry picked from commit b9bf65ac62f50ddf5616e0544e3c7b8c9030ced6)
---

diff --git a/src/include/rados/librados.hpp b/src/include/rados/librados.hpp
index 7c883c33648d..b40d7bf9a571 100644
--- a/src/include/rados/librados.hpp
+++ b/src/include/rados/librados.hpp
@@ -551,7 +551,9 @@ inline namespace v14_2_0 {
      * see aio_sparse_read()
      */
     void sparse_read(uint64_t off, uint64_t len, std::map<uint64_t,uint64_t> *m,
-                    bufferlist *data_bl, int *prval);
+                     bufferlist *data_bl, int *prval,
+                     uint64_t truncate_size = 0,
+                     uint32_t truncate_seq = 0);
 
     /**
      * omap_get_vals: keys and values from the object omap
diff --git a/src/librados/librados_cxx.cc b/src/librados/librados_cxx.cc
index e601920eb43c..46aa8d80ce37 100644
--- a/src/librados/librados_cxx.cc
+++ b/src/librados/librados_cxx.cc
@@ -224,11 +224,13 @@ void librados::ObjectReadOperation::read(size_t off, uint64_t len, bufferlist *p
 
 void librados::ObjectReadOperation::sparse_read(uint64_t off, uint64_t len,
 						std::map<uint64_t,uint64_t> *m,
-						bufferlist *data_bl, int *prval)
+						bufferlist *data_bl, int *prval,
+						uint64_t truncate_size,
+						uint32_t truncate_seq)
 {
   ceph_assert(impl);
   ::ObjectOperation *o = &impl->o;
-  o->sparse_read(off, len, m, data_bl, prval);
+  o->sparse_read(off, len, m, data_bl, prval, truncate_size, truncate_seq);
 }
 
 void librados::ObjectReadOperation::checksum(rados_checksum_type_t type,
diff --git a/src/osdc/Objecter.h b/src/osdc/Objecter.h
index 582ce8c19789..d9d723dca747 100644
--- a/src/osdc/Objecter.h
+++ b/src/osdc/Objecter.h
@@ -519,9 +519,13 @@ struct ObjectOperation {
     }
   };
   void sparse_read(uint64_t off, uint64_t len, std::map<uint64_t, uint64_t>* m,
-		   ceph::buffer::list* data_bl, int* prval) {
+		   ceph::buffer::list* data_bl, int* prval,
+		   uint64_t truncate_size = 0, uint32_t truncate_seq = 0) {
     ceph::buffer::list bl;
     add_data(CEPH_OSD_OP_SPARSE_READ, off, len, bl);
+    OSDOp& o = *ops.rbegin();
+    o.op.extent.truncate_size = truncate_size;
+    o.op.extent.truncate_seq = truncate_seq;
     set_handler(CB_ObjectOperation_sparse_read(data_bl, m, prval, nullptr));
     out_rval.back() = prval;
   }
diff --git a/src/test/librados_test_stub/LibradosTestStub.cc b/src/test/librados_test_stub/LibradosTestStub.cc
index 9e430057faab..c19de9a86598 100644
--- a/src/test/librados_test_stub/LibradosTestStub.cc
+++ b/src/test/librados_test_stub/LibradosTestStub.cc
@@ -902,7 +902,9 @@ void ObjectReadOperation::read(size_t off, uint64_t len, bufferlist *pbl,
 
 void ObjectReadOperation::sparse_read(uint64_t off, uint64_t len,
                                       std::map<uint64_t,uint64_t> *m,
-                                      bufferlist *pbl, int *prval) {
+                                      bufferlist *pbl, int *prval,
+                                      uint64_t truncate_size,
+                                      uint32_t truncate_seq) {
   TestObjectOperationImpl *o = reinterpret_cast<TestObjectOperationImpl*>(impl);
 
   ObjectOperationTestImpl op;