From: Kefu Chai <kchai@redhat.com>
Date: Fri, 18 Jan 2019 04:27:30 +0000 (+0800)
Subject: crimson/osd: add mkfs()
X-Git-Tag: v14.1.0~356^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F25304%2Fhead;p=ceph.git

crimson/osd: add mkfs()

we will need it for preparing crimson-osd without help of ceph-osd.

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/crimson/osd/osd.cc b/src/crimson/osd/osd.cc
index e51182eeccc2..72ac133c0d1b 100644
--- a/src/crimson/osd/osd.cc
+++ b/src/crimson/osd/osd.cc
@@ -46,6 +46,17 @@ OSD::OSD(int id, uint32_t nonce)
 
 OSD::~OSD() = default;
 
+seastar::future<> OSD::mkfs(uuid_d cluster_fsid, int whoami)
+{
+  CyanStore store{local_conf().get_val<std::string>("osd_data")};
+  uuid_d osd_fsid;
+  osd_fsid.generate_random();
+  store.write_meta("fsid", osd_fsid.to_string());
+  store.write_meta("ceph_fsid", cluster_fsid.to_string());
+  store.write_meta("whoami", std::to_string(whoami));
+  return seastar::now();
+}
+
 seastar::future<> OSD::start()
 {
   logger().info("start");
diff --git a/src/crimson/osd/osd.h b/src/crimson/osd/osd.h
index fe6ba3d652b1..9a1ada416ad4 100644
--- a/src/crimson/osd/osd.h
+++ b/src/crimson/osd/osd.h
@@ -61,6 +61,8 @@ public:
   OSD(int id, uint32_t nonce);
   ~OSD();
 
+  static seastar::future<> mkfs(uuid_d fsid, int whoami);
+
   seastar::future<> start();
   seastar::future<> stop();