os/bluestore/KernelDevice: fix flush() vs sync write()

We need to set the atomic flag so that a flush will actually flush.

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

diff --git a/src/os/bluestore/KernelDevice.cc b/src/os/bluestore/KernelDevice.cc
index 52cab96bbdd4f0e38251b4a6ec6541a7f3dc9fdf..f5069cf98b36cee5c1f3fab83d40403bc9b5ee09 100644 (file)
--- a/src/os/bluestore/KernelDevice.cc
+++ b/src/os/bluestore/KernelDevice.cc
@@ -559,6 +559,9 @@ int KernelDevice::_sync_write(uint64_t off, bufferlist &bl, bool buffered)
       return r;
     }
   }
+
+  io_since_flush.store(true);
+
   return 0;
 }