From cb6bfbeb195d0ea2759a241cf538903270b1f3f7 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Fri, 20 Oct 2017 17:12:30 -0500
Subject: [PATCH] os/bluestore: implement get_devices()

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/os/bluestore/BlueFS.cc    | 9 +++++++++
 src/os/bluestore/BlueFS.h     | 1 +
 src/os/bluestore/BlueStore.cc | 9 +++++++++
 src/os/bluestore/BlueStore.h  | 2 ++
 4 files changed, 21 insertions(+)

diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
index 4754c2ab5ce..8126f24f95a 100644
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -459,6 +459,15 @@ void BlueFS::collect_metadata(map<string,string> *pm, unsigned skip_bdev_id)
     bdev[BDEV_WAL]->collect_metadata("bluefs_wal_", pm);
 }
 
+void BlueFS::get_devices(set<string> *ls)
+{
+  for (unsigned i = 0; i < MAX_BDEV; ++i) {
+    if (bdev[i]) {
+      bdev[i]->get_devices(ls);
+    }
+  }
+}
+
 int BlueFS::fsck()
 {
   std::lock_guard<std::mutex> l(lock);
diff --git a/src/os/bluestore/BlueFS.h b/src/os/bluestore/BlueFS.h
index 7c1cfd9beec..4c1f5da5b32 100644
--- a/src/os/bluestore/BlueFS.h
+++ b/src/os/bluestore/BlueFS.h
@@ -338,6 +338,7 @@ public:
     const vector<string>& devs);
 
   void collect_metadata(map<string,string> *pm, unsigned skip_bdev_id);
+  void get_devices(set<string> *ls);
   int fsck();
 
   uint64_t get_fs_usage();
diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 717777f9088..1abe4683b36 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -6239,6 +6239,15 @@ void BlueStore::collect_metadata(map<string,string> *pm)
   }
 }
 
+int BlueStore::get_devices(set<string> *ls)
+{
+  bdev->get_devices(ls);
+  if (bluefs) {
+    bluefs->get_devices(ls);
+  }
+  return 0;
+}
+
 int BlueStore::statfs(struct store_statfs_t *buf)
 {
   buf->reset();
diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index 59e286d7a34..474e52ac26c 100644
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -2122,6 +2122,8 @@ public:
   bool wants_journal() override { return false; };
   bool allows_journal() override { return false; };
 
+  int get_devices(set<string> *ls) override;
+
   bool is_rotational() override;
   bool is_journal_rotational() override;
 
-- 
2.39.5