Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/src/tools/rbd/action/Sparsify.cc b/src/tools/rbd/action/Sparsify.cc
new file mode 100644
index 000000000..a345f920b
--- /dev/null
+++ b/src/tools/rbd/action/Sparsify.cc
@@ -0,0 +1,82 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "tools/rbd/ArgumentTypes.h"
+#include "tools/rbd/Shell.h"
+#include "tools/rbd/Utils.h"
+#include "common/errno.h"
+#include <iostream>
+#include <boost/program_options.hpp>
+
+namespace rbd {
+namespace action {
+namespace sparsify {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+static int do_sparsify(librbd::Image& image, size_t sparse_size,
+                       bool no_progress)
+{
+  utils::ProgressContext pc("Image sparsify", no_progress);
+  int r = image.sparsify_with_progress(sparse_size, pc);
+  if (r < 0) {
+    pc.fail();
+    return r;
+  }
+  pc.finish();
+  return 0;
+}
+
+void get_arguments(po::options_description *positional,
+                   po::options_description *options) {
+  at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
+  at::add_no_progress_option(options);
+  at::add_sparse_size_option(options);
+}
+
+int execute(const po::variables_map &vm,
+            const std::vector<std::string> &ceph_global_init_args) {
+  size_t arg_index = 0;
+  std::string pool_name;
+  std::string namespace_name;
+  std::string image_name;
+  std::string snap_name;
+  int r = utils::get_pool_image_snapshot_names(
+    vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &namespace_name,
+    &image_name, &snap_name, true, utils::SNAPSHOT_PRESENCE_NONE,
+    utils::SPEC_VALIDATION_NONE);
+  if (r < 0) {
+    return r;
+  }
+
+  librados::Rados rados;
+  librados::IoCtx io_ctx;
+  librbd::Image image;
+  r = utils::init_and_open_image(pool_name, namespace_name, image_name, "", "",
+                                 false, &rados, &io_ctx, &image);
+  if (r < 0) {
+    return r;
+  }
+
+  size_t sparse_size = utils::RBD_DEFAULT_SPARSE_SIZE;
+  if (vm.count(at::IMAGE_SPARSE_SIZE)) {
+    sparse_size = vm[at::IMAGE_SPARSE_SIZE].as<size_t>();
+  }
+
+  r = do_sparsify(image, sparse_size, vm[at::NO_PROGRESS].as<bool>());
+  if (r < 0) {
+    std::cerr << "rbd: sparsify error: " << cpp_strerror(r) << std::endl;
+    return r;
+  }
+  return 0;
+}
+
+Shell::Action action(
+  {"sparsify"}, {},
+  "Reclaim space for zeroed image extents.", "",
+  &get_arguments, &execute);
+
+} // namespace sparsify
+} // namespace action
+} // namespace rbd