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

Signed-off-by: Adam Kupczyk <akupczyk@ibm.com>
(cherry picked from commit d48f2c6f99c529db4d5ed1a2a986d328765dd634)

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index fac2304842f4f770353dccba0408a76a8126b14e..c5d3a8b41d451f0ab837ad942ad08b25e65555b5 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -6013,6 +6013,7 @@ 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);