os/bluestore/KernelDevice: advertise vdo and physical_size in metadata

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/os/bluestore/KernelDevice.cc b/src/os/bluestore/KernelDevice.cc
index bbd1a0badb87e3bab8d4ab4a591a26fb5c0f30a4..c1213a5fd6fb37fc1a323ba5cdeec7ee0e2b8773 100644 (file)
--- a/src/os/bluestore/KernelDevice.cc
+++ b/src/os/bluestore/KernelDevice.cc
@@ -228,6 +228,12 @@ int KernelDevice::collect_metadata(const string& prefix, map<string,string> *pm)
   } else {
     (*pm)[prefix + "type"] = "ssd";
   }
+  if (vdo_fd >= 0) {
+    (*pm)[prefix + "vdo"] = "true";
+    uint64_t total, avail;
+    get_vdo_utilization(vdo_fd, &total, &avail);
+    (*pm)[prefix + "vdo_physical_size"] = stringify(total);
+  }
 
   struct stat st;
   int r = ::fstat(fd_buffered, &st);