8a719b0cee
First of all, znode_phys_t hasn't been used for storing file attributes for a long time now. Modern ZFS versions use a System Attribute table with a flexible layout. But more importantly all the required information is available in znode_t itself. It's not easy to include zfs_znode.h in userland without breaking code because the most interesting parts of the header are kernel-only. And hardcoding field offsets is too fragile. So, I created a new compilation unit that includes zfs_znode.h using some mild kludges to get it and its dependencies to compile in userland. The compilation unit exports interesting field offsets and does not have any other code. PR: 194117 Reviewed by: markj MFC after: 2 weeks Sponsored by: Panzura Differential Revision: https://reviews.freebsd.org/D24941
60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2020 Andriy Gapon <avg@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/* Pretend we are kernel to get the same binary layout. */
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#define _KERNEL
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/* A hack to deal with kpilite.h. */
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#define KLD_MODULE
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/*
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* Prevent some headers from getting included and fake some types
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* in order to allow this file to compile without bringing in
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* too many kernel build dependencies.
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*/
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#define _OPENSOLARIS_SYS_PATHNAME_H_
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#define _OPENSOLARIS_SYS_POLICY_H_
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#define _OPENSOLARIS_SYS_VNODE_H_
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#define _VNODE_PAGER_
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typedef struct vnode vnode_t;
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typedef struct vattr vattr_t;
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typedef struct xvattr xvattr_t;
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typedef struct vsecattr vsecattr_t;
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typedef enum vtype vtype_t;
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#include <sys/zfs_context.h>
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#include <sys/zfs_znode.h>
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size_t sizeof_znode_t = sizeof(znode_t);
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size_t offsetof_z_id = offsetof(znode_t, z_id);
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size_t offsetof_z_size = offsetof(znode_t, z_size);
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size_t offsetof_z_mode = offsetof(znode_t, z_mode);
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