From 3387c1c5aee0c9943f11358844616dbe7138958c Mon Sep 17 00:00:00 2001
From: Radoslaw Zarzynski <rzarzyns@redhat.com>
Date: Tue, 18 May 2021 14:38:50 +0000
Subject: [PATCH] crimson/os: implement inject_{m,}data_error in AlienStore.

Signed-off-by: Radoslaw Zarzynski <rzarzyns@redhat.com>
---
 src/crimson/os/alienstore/alien_store.cc | 16 ++++++++++++++++
 src/crimson/os/alienstore/alien_store.h  |  4 ++++
 src/crimson/os/futurized_store.h         |  8 ++++++++
 3 files changed, 28 insertions(+)

diff --git a/src/crimson/os/alienstore/alien_store.cc b/src/crimson/os/alienstore/alien_store.cc
index fea8c85d6ebaa..ced278ad2f2f2 100644
--- a/src/crimson/os/alienstore/alien_store.cc
+++ b/src/crimson/os/alienstore/alien_store.cc
@@ -400,6 +400,22 @@ seastar::future<> AlienStore::do_transaction(CollectionRef ch,
     });
 }
 
+seastar::future<> AlienStore::inject_data_error(const ghobject_t& o)
+{
+  logger().debug("{}", __func__);
+  return tp->submit([=] {
+    return store->inject_data_error(o);
+  });
+}
+
+seastar::future<> AlienStore::inject_mdata_error(const ghobject_t& o)
+{
+  logger().debug("{}", __func__);
+  return tp->submit([=] {
+    return store->inject_mdata_error(o);
+  });
+}
+
 seastar::future<> AlienStore::write_meta(const std::string& key,
                                          const std::string& value)
 {
diff --git a/src/crimson/os/alienstore/alien_store.h b/src/crimson/os/alienstore/alien_store.h
index 4c5669e39ca74..e6e474ebcffdd 100644
--- a/src/crimson/os/alienstore/alien_store.h
+++ b/src/crimson/os/alienstore/alien_store.h
@@ -90,6 +90,10 @@ public:
   seastar::future<> do_transaction(CollectionRef c,
                                    ceph::os::Transaction&& txn) final;
 
+  // error injection
+  seastar::future<> inject_data_error(const ghobject_t& o) final;
+  seastar::future<> inject_mdata_error(const ghobject_t& o) final;
+
   seastar::future<> write_meta(const std::string& key,
                   const std::string& value) final;
   seastar::future<std::tuple<int, std::string>> read_meta(
diff --git a/src/crimson/os/futurized_store.h b/src/crimson/os/futurized_store.h
index 3cbc46fac74ef..971093a47f60f 100644
--- a/src/crimson/os/futurized_store.h
+++ b/src/crimson/os/futurized_store.h
@@ -131,6 +131,14 @@ public:
 
   virtual seastar::future<> do_transaction(CollectionRef ch,
 					   ceph::os::Transaction&& txn) = 0;
+  // error injection
+  virtual seastar::future<> inject_data_error(const ghobject_t& o) {
+    return seastar::now();
+  }
+  virtual seastar::future<> inject_mdata_error(const ghobject_t& o) {
+    return seastar::now();
+  }
+
   virtual seastar::future<OmapIteratorRef> get_omap_iterator(
     CollectionRef ch,
     const ghobject_t& oid) = 0;
-- 
2.39.5