diff options
Diffstat (limited to 'qemu/roms/u-boot/include/zfs/uberblock_impl.h')
-rw-r--r-- | qemu/roms/u-boot/include/zfs/uberblock_impl.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/qemu/roms/u-boot/include/zfs/uberblock_impl.h b/qemu/roms/u-boot/include/zfs/uberblock_impl.h deleted file mode 100644 index e19eee598..000000000 --- a/qemu/roms/u-boot/include/zfs/uberblock_impl.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ -/* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _SYS_UBERBLOCK_IMPL_H -#define _SYS_UBERBLOCK_IMPL_H - -#define UBMAX(a, b) ((a) > (b) ? (a) : (b)) - -/* - * The uberblock version is incremented whenever an incompatible on-disk - * format change is made to the SPA, DMU, or ZAP. - * - * Note: the first two fields should never be moved. When a storage pool - * is opened, the uberblock must be read off the disk before the version - * can be checked. If the ub_version field is moved, we may not detect - * version mismatch. If the ub_magic field is moved, applications that - * expect the magic number in the first word won't work. - */ -#define UBERBLOCK_MAGIC 0x00bab10c /* oo-ba-bloc! */ -#define UBERBLOCK_SHIFT 10 /* up to 1K */ - -typedef struct uberblock { - uint64_t ub_magic; /* UBERBLOCK_MAGIC */ - uint64_t ub_version; /* ZFS_VERSION */ - uint64_t ub_txg; /* txg of last sync */ - uint64_t ub_guid_sum; /* sum of all vdev guids */ - uint64_t ub_timestamp; /* UTC time of last sync */ - blkptr_t ub_rootbp; /* MOS objset_phys_t */ -} uberblock_t; - -#define VDEV_UBERBLOCK_SHIFT(as) UBMAX(as, UBERBLOCK_SHIFT) -#define UBERBLOCK_SIZE(as) (1ULL << VDEV_UBERBLOCK_SHIFT(as)) - -/* Number of uberblocks that can fit in the ring at a given ashift */ -#define UBERBLOCK_COUNT(as) (VDEV_UBERBLOCK_RING >> VDEV_UBERBLOCK_SHIFT(as)) - -#endif /* _SYS_UBERBLOCK_IMPL_H */ |