diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/uberblock_impl.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/usr/src/uts/common/fs/zfs/sys/uberblock_impl.h b/usr/src/uts/common/fs/zfs/sys/uberblock_impl.h index 6ab6aa3135..2d5e845fcd 100644 --- a/usr/src/uts/common/fs/zfs/sys/uberblock_impl.h +++ b/usr/src/uts/common/fs/zfs/sys/uberblock_impl.h @@ -20,6 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2017 by Delphix. All rights reserved. */ #ifndef _SYS_UBERBLOCK_IMPL_H @@ -54,6 +55,12 @@ struct uberblock { /* highest SPA_VERSION supported by software that wrote this txg */ uint64_t ub_software_version; + + /* These fields are reserved for features that are under development: */ + uint64_t ub_mmp_magic; + uint64_t ub_mmp_delay; + uint64_t ub_mmp_seq; + uint64_t ub_checkpoint_txg; }; #ifdef __cplusplus |