OPTION(bluefs_min_flush_size, OPT_U64, 65536) // ignore flush until its this big
OPTION(bluefs_compact_log_sync, OPT_BOOL, false) // sync or async log compaction?
OPTION(bluefs_buffered_io, OPT_BOOL, false)
-OPTION(bluefs_allocator, OPT_STR, "stupid") // stupid | bitmap
+OPTION(bluefs_allocator, OPT_STR, "bitmap") // stupid | bitmap
OPTION(bluestore_bluefs, OPT_BOOL, true)
OPTION(bluestore_bluefs_env_mirror, OPT_BOOL, false) // mirror to normal Env for debug