Add xvattr support
With the removal of the minimal xvattr support from the spl this support needs to be replaced in the zfs package. This is fairly easily accomplished by directly adding portions of the sys/vnode.h header from OpenSolaris. These xvattr additions have been placed in the sys/xvattr.h header file and included as needed where simply a sys/vnode.h was included before. In additon to the xvattr types and helper macros two functions were also included. The xva_init() and xva_getxoptattr() functions were included as static inline functions in xvattr.h. They are simple enough and it was simpler to place them here rather than in their own .c file.
This commit is contained in:
Brian Behlendorf
parent
9623f736d9
commit
321a498b95
@ -53,6 +53,7 @@ am__aclocal_m4_deps = \
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$(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
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$(top_srcdir)/config/kernel-blk-rq-pos.m4 \
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$(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
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$(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
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$(top_srcdir)/config/kernel-evict-inode.m4 \
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$(top_srcdir)/config/kernel-fmode-t.m4 \
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$(top_srcdir)/config/kernel-fsync.m4 \
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@ -287,7 +287,8 @@ COMMON_H =
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KERNEL_H = \
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$(top_srcdir)/include/linux/dcache_compat.h \
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$(top_srcdir)/include/linux/xattr_compat.h \
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$(top_srcdir)/include/linux/vfs_compat.h
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$(top_srcdir)/include/linux/vfs_compat.h \
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$(top_srcdir)/include/linux/blkdev_compat.h
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USER_H =
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EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H)
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@ -49,6 +49,7 @@ COMMON_H = \
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$(top_srcdir)/include/sys/vdev_file.h \
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$(top_srcdir)/include/sys/vdev.h \
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$(top_srcdir)/include/sys/vdev_impl.h \
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$(top_srcdir)/include/sys/xvattr.h \
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$(top_srcdir)/include/sys/zap.h \
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$(top_srcdir)/include/sys/zap_impl.h \
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$(top_srcdir)/include/sys/zap_leaf.h \
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@ -143,6 +143,7 @@ am__kernel_HEADERS_DIST = $(top_srcdir)/include/sys/arc.h \
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$(top_srcdir)/include/sys/vdev_file.h \
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$(top_srcdir)/include/sys/vdev.h \
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$(top_srcdir)/include/sys/vdev_impl.h \
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$(top_srcdir)/include/sys/xvattr.h \
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$(top_srcdir)/include/sys/zap.h \
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$(top_srcdir)/include/sys/zap_impl.h \
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$(top_srcdir)/include/sys/zap_leaf.h \
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@ -238,6 +239,7 @@ am__libzfs_HEADERS_DIST = $(top_srcdir)/include/sys/arc.h \
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$(top_srcdir)/include/sys/vdev_file.h \
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$(top_srcdir)/include/sys/vdev.h \
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$(top_srcdir)/include/sys/vdev_impl.h \
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$(top_srcdir)/include/sys/xvattr.h \
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$(top_srcdir)/include/sys/zap.h \
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$(top_srcdir)/include/sys/zap_impl.h \
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$(top_srcdir)/include/sys/zap_leaf.h \
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@ -509,6 +511,7 @@ COMMON_H = \
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$(top_srcdir)/include/sys/vdev_file.h \
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$(top_srcdir)/include/sys/vdev.h \
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$(top_srcdir)/include/sys/vdev_impl.h \
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$(top_srcdir)/include/sys/xvattr.h \
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$(top_srcdir)/include/sys/zap.h \
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$(top_srcdir)/include/sys/zap_impl.h \
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$(top_srcdir)/include/sys/zap_leaf.h \
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330
include/sys/xvattr.h
Normal file
330
include/sys/xvattr.h
Normal file
@ -0,0 +1,330 @@
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/*
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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 http://www.opensolaris.org/os/licensing.
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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) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
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*/
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/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/*
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* University Copyright- Copyright (c) 1982, 1986, 1988
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* The Regents of the University of California
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* All Rights Reserved
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*
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* University Acknowledgment- Portions of this document are derived from
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* software developed by the University of California, Berkeley, and its
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* contributors.
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*/
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#ifndef _SYS_XVATTR_H
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#define _SYS_XVATTR_H
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#include <sys/vnode.h>
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#define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */
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/*
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* Structure of all optional attributes.
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*/
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typedef struct xoptattr {
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timestruc_t xoa_createtime; /* Create time of file */
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uint8_t xoa_archive;
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uint8_t xoa_system;
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uint8_t xoa_readonly;
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uint8_t xoa_hidden;
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uint8_t xoa_nounlink;
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uint8_t xoa_immutable;
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uint8_t xoa_appendonly;
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uint8_t xoa_nodump;
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uint8_t xoa_opaque;
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uint8_t xoa_av_quarantined;
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uint8_t xoa_av_modified;
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uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ];
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uint8_t xoa_reparse;
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uint64_t xoa_generation;
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uint8_t xoa_offline;
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uint8_t xoa_sparse;
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} xoptattr_t;
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/*
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* The xvattr structure is really a variable length structure that
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* is made up of:
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* - The classic vattr_t (xva_vattr)
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* - a 32 bit quantity (xva_mapsize) that specifies the size of the
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* attribute bitmaps in 32 bit words.
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* - A pointer to the returned attribute bitmap (needed because the
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* previous element, the requested attribute bitmap) is variable lenth.
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* - The requested attribute bitmap, which is an array of 32 bit words.
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* Callers use the XVA_SET_REQ() macro to set the bits corresponding to
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* the attributes that are being requested.
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* - The returned attribute bitmap, which is an array of 32 bit words.
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* File systems that support optional attributes use the XVA_SET_RTN()
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* macro to set the bits corresponding to the attributes that are being
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* returned.
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* - The xoptattr_t structure which contains the attribute values
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*
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* xva_mapsize determines how many words in the attribute bitmaps.
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* Immediately following the attribute bitmaps is the xoptattr_t.
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* xva_getxoptattr() is used to get the pointer to the xoptattr_t
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* section.
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*/
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#define XVA_MAPSIZE 3 /* Size of attr bitmaps */
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#define XVA_MAGIC 0x78766174 /* Magic # for verification */
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/*
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* The xvattr structure is an extensible structure which permits optional
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* attributes to be requested/returned. File systems may or may not support
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* optional attributes. They do so at their own discretion but if they do
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* support optional attributes, they must register the VFSFT_XVATTR feature
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* so that the optional attributes can be set/retrived.
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*
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* The fields of the xvattr structure are:
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*
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* xva_vattr - The first element of an xvattr is a legacy vattr structure
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* which includes the common attributes. If AT_XVATTR is set in the va_mask
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* then the entire structure is treated as an xvattr. If AT_XVATTR is not
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* set, then only the xva_vattr structure can be used.
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*
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* xva_magic - 0x78766174 (hex for "xvat"). Magic number for verification.
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*
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* xva_mapsize - Size of requested and returned attribute bitmaps.
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*
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* xva_rtnattrmapp - Pointer to xva_rtnattrmap[]. We need this since the
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* size of the array before it, xva_reqattrmap[], could change which means
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* the location of xva_rtnattrmap[] could change. This will allow unbundled
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* file systems to find the location of xva_rtnattrmap[] when the sizes change.
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*
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* xva_reqattrmap[] - Array of requested attributes. Attributes are
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* represented by a specific bit in a specific element of the attribute
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* map array. Callers set the bits corresponding to the attributes
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* that the caller wants to get/set.
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*
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* xva_rtnattrmap[] - Array of attributes that the file system was able to
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* process. Not all file systems support all optional attributes. This map
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* informs the caller which attributes the underlying file system was able
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* to set/get. (Same structure as the requested attributes array in terms
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* of each attribute corresponding to specific bits and array elements.)
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*
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* xva_xoptattrs - Structure containing values of optional attributes.
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* These values are only valid if the corresponding bits in xva_reqattrmap
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* are set and the underlying file system supports those attributes.
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*/
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typedef struct xvattr {
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vattr_t xva_vattr; /* Embedded vattr structure */
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uint32_t xva_magic; /* Magic Number */
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uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */
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uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */
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uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */
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uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */
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xoptattr_t xva_xoptattrs; /* Optional attributes */
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} xvattr_t;
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/*
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* Attribute bits used in the extensible attribute's (xva's) attribute
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* bitmaps. Note that the bitmaps are made up of a variable length number
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* of 32-bit words. The convention is to use XAT{n}_{attrname} where "n"
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* is the element in the bitmap (starting at 1). This convention is for
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* the convenience of the maintainer to keep track of which element each
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* attribute belongs to.
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*
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* NOTE THAT CONSUMERS MUST *NOT* USE THE XATn_* DEFINES DIRECTLY. CONSUMERS
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* MUST USE THE XAT_* DEFINES.
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*/
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#define XAT0_INDEX 0LL /* Index into bitmap for XAT0 attrs */
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#define XAT0_CREATETIME 0x00000001 /* Create time of file */
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#define XAT0_ARCHIVE 0x00000002 /* Archive */
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#define XAT0_SYSTEM 0x00000004 /* System */
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#define XAT0_READONLY 0x00000008 /* Readonly */
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#define XAT0_HIDDEN 0x00000010 /* Hidden */
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#define XAT0_NOUNLINK 0x00000020 /* Nounlink */
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#define XAT0_IMMUTABLE 0x00000040 /* immutable */
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#define XAT0_APPENDONLY 0x00000080 /* appendonly */
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#define XAT0_NODUMP 0x00000100 /* nodump */
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#define XAT0_OPAQUE 0x00000200 /* opaque */
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#define XAT0_AV_QUARANTINED 0x00000400 /* anti-virus quarantine */
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#define XAT0_AV_MODIFIED 0x00000800 /* anti-virus modified */
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#define XAT0_AV_SCANSTAMP 0x00001000 /* anti-virus scanstamp */
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#define XAT0_REPARSE 0x00002000 /* FS reparse point */
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#define XAT0_GEN 0x00004000 /* object generation number */
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#define XAT0_OFFLINE 0x00008000 /* offline */
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#define XAT0_SPARSE 0x00010000 /* sparse */
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#define XAT0_ALL_ATTRS (XAT0_CREATETIME|XAT0_ARCHIVE|XAT0_SYSTEM| \
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XAT0_READONLY|XAT0_HIDDEN|XAT0_NOUNLINK|XAT0_IMMUTABLE|XAT0_APPENDONLY| \
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XAT0_NODUMP|XAT0_OPAQUE|XAT0_AV_QUARANTINED| XAT0_AV_MODIFIED| \
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XAT0_AV_SCANSTAMP|XAT0_REPARSE|XATO_GEN|XAT0_OFFLINE|XAT0_SPARSE)
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/* Support for XAT_* optional attributes */
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#define XVA_MASK 0xffffffff /* Used to mask off 32 bits */
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#define XVA_SHFT 32 /* Used to shift index */
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/*
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* Used to pry out the index and attribute bits from the XAT_* attributes
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* defined below. Note that we're masking things down to 32 bits then
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* casting to uint32_t.
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*/
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#define XVA_INDEX(attr) ((uint32_t)(((attr) >> XVA_SHFT) & XVA_MASK))
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#define XVA_ATTRBIT(attr) ((uint32_t)((attr) & XVA_MASK))
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/*
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* The following defines present a "flat namespace" so that consumers don't
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* need to keep track of which element belongs to which bitmap entry.
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*
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* NOTE THAT THESE MUST NEVER BE OR-ed TOGETHER
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*/
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#define XAT_CREATETIME ((XAT0_INDEX << XVA_SHFT) | XAT0_CREATETIME)
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#define XAT_ARCHIVE ((XAT0_INDEX << XVA_SHFT) | XAT0_ARCHIVE)
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#define XAT_SYSTEM ((XAT0_INDEX << XVA_SHFT) | XAT0_SYSTEM)
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#define XAT_READONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_READONLY)
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#define XAT_HIDDEN ((XAT0_INDEX << XVA_SHFT) | XAT0_HIDDEN)
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#define XAT_NOUNLINK ((XAT0_INDEX << XVA_SHFT) | XAT0_NOUNLINK)
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#define XAT_IMMUTABLE ((XAT0_INDEX << XVA_SHFT) | XAT0_IMMUTABLE)
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#define XAT_APPENDONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_APPENDONLY)
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#define XAT_NODUMP ((XAT0_INDEX << XVA_SHFT) | XAT0_NODUMP)
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#define XAT_OPAQUE ((XAT0_INDEX << XVA_SHFT) | XAT0_OPAQUE)
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#define XAT_AV_QUARANTINED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_QUARANTINED)
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#define XAT_AV_MODIFIED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_MODIFIED)
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#define XAT_AV_SCANSTAMP ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_SCANSTAMP)
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#define XAT_REPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_REPARSE)
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#define XAT_GEN ((XAT0_INDEX << XVA_SHFT) | XAT0_GEN)
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#define XAT_OFFLINE ((XAT0_INDEX << XVA_SHFT) | XAT0_OFFLINE)
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#define XAT_SPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_SPARSE)
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/*
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* The returned attribute map array (xva_rtnattrmap[]) is located past the
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* requested attribute map array (xva_reqattrmap[]). Its location changes
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* when the array sizes change. We use a separate pointer in a known location
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* (xva_rtnattrmapp) to hold the location of xva_rtnattrmap[]. This is
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* set in xva_init()
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*/
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#define XVA_RTNATTRMAP(xvap) ((xvap)->xva_rtnattrmapp)
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/*
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* XVA_SET_REQ() sets an attribute bit in the proper element in the bitmap
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* of requested attributes (xva_reqattrmap[]).
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*/
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#define XVA_SET_REQ(xvap, attr) \
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ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \
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ASSERT((xvap)->xva_magic == XVA_MAGIC); \
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(xvap)->xva_reqattrmap[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr)
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/*
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* XVA_CLR_REQ() clears an attribute bit in the proper element in the bitmap
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* of requested attributes (xva_reqattrmap[]).
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*/
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#define XVA_CLR_REQ(xvap, attr) \
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ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \
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ASSERT((xvap)->xva_magic == XVA_MAGIC); \
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(xvap)->xva_reqattrmap[XVA_INDEX(attr)] &= ~XVA_ATTRBIT(attr)
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/*
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* XVA_SET_RTN() sets an attribute bit in the proper element in the bitmap
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* of returned attributes (xva_rtnattrmap[]).
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*/
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#define XVA_SET_RTN(xvap, attr) \
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ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \
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ASSERT((xvap)->xva_magic == XVA_MAGIC); \
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(XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr)
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/*
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* XVA_ISSET_REQ() checks the requested attribute bitmap (xva_reqattrmap[])
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* to see of the corresponding attribute bit is set. If so, returns non-zero.
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*/
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#define XVA_ISSET_REQ(xvap, attr) \
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((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \
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((xvap)->xva_magic == XVA_MAGIC) && \
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((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \
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((xvap)->xva_reqattrmap[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0)
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/*
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* XVA_ISSET_RTN() checks the returned attribute bitmap (xva_rtnattrmap[])
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* to see of the corresponding attribute bit is set. If so, returns non-zero.
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*/
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#define XVA_ISSET_RTN(xvap, attr) \
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((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \
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((xvap)->xva_magic == XVA_MAGIC) && \
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((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \
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((XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0)
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/*
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* Zero out the structure, set the size of the requested/returned bitmaps,
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* set AT_XVATTR in the embedded vattr_t's va_mask, and set up the pointer
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* to the returned attributes array.
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*/
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static inline void
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xva_init(xvattr_t *xvap)
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{
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bzero(xvap, sizeof (xvattr_t));
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xvap->xva_mapsize = XVA_MAPSIZE;
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xvap->xva_magic = XVA_MAGIC;
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xvap->xva_vattr.va_mask = ATTR_XVATTR;
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xvap->xva_rtnattrmapp = &(xvap->xva_rtnattrmap)[0];
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}
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/*
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* If AT_XVATTR is set, returns a pointer to the embedded xoptattr_t
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* structure. Otherwise, returns NULL.
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*/
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static inline xoptattr_t *
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xva_getxoptattr(xvattr_t *xvap)
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{
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xoptattr_t *xoap = NULL;
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if (xvap->xva_vattr.va_mask & AT_XVATTR)
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xoap = &xvap->xva_xoptattrs;
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return (xoap);
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}
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#define MODEMASK 07777 /* mode bits plus permission bits */
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#define PERMMASK 00777 /* permission bits */
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/*
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* VOP_ACCESS flags
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*/
|
||||
#define V_ACE_MASK 0x1 /* mask represents NFSv4 ACE permissions */
|
||||
#define V_APPEND 0x2 /* want to do append only check */
|
||||
|
||||
/*
|
||||
* Structure used on VOP_GETSECATTR and VOP_SETSECATTR operations
|
||||
*/
|
||||
|
||||
typedef struct vsecattr {
|
||||
uint_t vsa_mask; /* See below */
|
||||
int vsa_aclcnt; /* ACL entry count */
|
||||
void *vsa_aclentp; /* pointer to ACL entries */
|
||||
int vsa_dfaclcnt; /* default ACL entry count */
|
||||
void *vsa_dfaclentp; /* pointer to default ACL entries */
|
||||
size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */
|
||||
uint_t vsa_aclflags; /* ACE ACL flags */
|
||||
} vsecattr_t;
|
||||
|
||||
/* vsa_mask values */
|
||||
#define VSA_ACL 0x0001
|
||||
#define VSA_ACLCNT 0x0002
|
||||
#define VSA_DFACL 0x0004
|
||||
#define VSA_DFACLCNT 0x0008
|
||||
#define VSA_ACE 0x0010
|
||||
#define VSA_ACECNT 0x0020
|
||||
#define VSA_ACE_ALLTYPES 0x0040
|
||||
#define VSA_ACE_ACLFLAGS 0x0080 /* get/set ACE ACL flags */
|
||||
|
||||
#endif /* _SYS_XVATTR_H */
|
||||
@ -28,6 +28,7 @@
|
||||
#ifdef _KERNEL
|
||||
#include <sys/isa_defs.h>
|
||||
#include <sys/types32.h>
|
||||
#include <sys/xvattr.h>
|
||||
#endif
|
||||
#include <sys/acl.h>
|
||||
#include <sys/dmu.h>
|
||||
|
||||
@ -26,6 +26,7 @@
|
||||
#define _SYS_FS_ZFS_VNOPS_H
|
||||
|
||||
#include <sys/vnode.h>
|
||||
#include <sys/xvattr.h>
|
||||
#include <sys/uio.h>
|
||||
#include <sys/cred.h>
|
||||
#include <sys/fcntl.h>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user