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diff --git a/src/libradosstriper/RadosStriperImpl.cc b/src/libradosstriper/RadosStriperImpl.cc
index 22352d9125..70dcb7569f 100644
--- a/src/libradosstriper/RadosStriperImpl.cc
+++ b/src/libradosstriper/RadosStriperImpl.cc
@@ -12,6 +12,8 @@
*
*/
+#include <boost/algorithm/string/replace.hpp>
+
#include "libradosstriper/RadosStriperImpl.h"
#include <errno.h>
@@ -466,7 +468,9 @@ int libradosstriper::RadosStriperImpl::aio_read(const std::string& soid,
// get list of extents to be read from
vector<ObjectExtent> *extents = new vector<ObjectExtent>();
if (read_len > 0) {
- std::string format = soid + RADOS_OBJECT_EXTENSION_FORMAT;
+ std::string format = soid;
+ boost::replace_all(format, "%", "%%");
+ format += RADOS_OBJECT_EXTENSION_FORMAT;
file_layout_t l;
l.from_legacy(layout);
Striper::file_to_extents(cct(), format.c_str(), &l, off, read_len,
@@ -776,7 +780,9 @@ libradosstriper::RadosStriperImpl::internal_aio_write(const std::string& soid,
if (len > 0) {
// get list of extents to be written to
vector<ObjectExtent> extents;
- std::string format = soid + RADOS_OBJECT_EXTENSION_FORMAT;
+ std::string format = soid;
+ boost::replace_all(format, "%", "%%");
+ format += RADOS_OBJECT_EXTENSION_FORMAT;
file_layout_t l;
l.from_legacy(layout);
Striper::file_to_extents(cct(), format.c_str(), &l, off, len, 0, extents);
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