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62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/*
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* Copyright (c) 2001-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_ACL_H__
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#define __XFS_ACL_H__
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struct inode;
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struct posix_acl;
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struct xfs_inode;
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#define XFS_ACL_MAX_ENTRIES 25
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#define XFS_ACL_NOT_PRESENT (-1)
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/* On-disk XFS access control list structure */
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struct xfs_acl {
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__be32 acl_cnt;
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struct xfs_acl_entry {
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__be32 ae_tag;
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__be32 ae_id;
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__be16 ae_perm;
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} acl_entry[XFS_ACL_MAX_ENTRIES];
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};
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/* On-disk XFS extended attribute names */
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#define SGI_ACL_FILE "SGI_ACL_FILE"
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#define SGI_ACL_DEFAULT "SGI_ACL_DEFAULT"
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#define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1)
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#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
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#ifdef CONFIG_XFS_POSIX_ACL
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extern int xfs_check_acl(struct inode *inode, int mask);
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extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
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extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl);
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extern int xfs_acl_chmod(struct inode *inode);
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extern int posix_acl_access_exists(struct inode *inode);
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extern int posix_acl_default_exists(struct inode *inode);
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extern struct xattr_handler xfs_xattr_system_handler;
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#else
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# define xfs_check_acl NULL
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# define xfs_get_acl(inode, type) NULL
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# define xfs_inherit_acl(inode, default_acl) 0
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# define xfs_acl_chmod(inode) 0
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# define posix_acl_access_exists(inode) 0
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# define posix_acl_default_exists(inode) 0
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#endif /* CONFIG_XFS_POSIX_ACL */
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#endif /* __XFS_ACL_H__ */
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