os/bluestore: Fix write_meta; increase epoch with each write

Signed-off-by: Adam Kupczyk <akupczyk@ibm.com>

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 4a2c24312cceae034280364125566f9ab4df3805..6a137637bebc741fdb5166859238798267d1bdde 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -6019,6 +6019,7 @@ int BlueStore::write_meta(const std::string& key, const std::string& value)
   if (!bdev_label_valid_locations.empty()) {
     bdev_label.meta[key] = value;
     if (bdev_label_multi) {
+      bdev_label_epoch++;
       bdev_label.meta["epoch"] = std::to_string(bdev_label_epoch);
     }
     int r = _write_bdev_label(cct, p, bdev_label, bdev_label_valid_locations);