47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* LLNL-CODE-403049.
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* Copyright (c) 2018 by Delphix. All rights reserved.
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*/
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#ifndef _SYS_VDEV_DISK_H
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#define _SYS_VDEV_DISK_H
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/*
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* Don't start the slice at the default block of 34; many storage
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* devices will use a stripe width of 128k, other vendors prefer a 1m
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* alignment. It is best to play it safe and ensure a 1m alignment
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* given 512B blocks. When the block size is larger by a power of 2
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* we will still be 1m aligned. Some devices are sensitive to the
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* partition ending alignment as well.
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*/
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#define NEW_START_BLOCK 2048
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#define PARTITION_END_ALIGNMENT 2048
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#ifdef _KERNEL
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#include <sys/vdev.h>
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#endif /* _KERNEL */
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#endif /* _SYS_VDEV_DISK_H */
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