forked from Minki/linux
ef14f0c157
This patch rips out the XFS ACL handling code and uses the generic fs/posix_acl.c code instead. The ondisk format is of course left unchanged. This also introduces the same ACL caching all other Linux filesystems do by adding pointers to the acl and default acl in struct xfs_inode. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
66 lines
2.2 KiB
C
66 lines
2.2 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 void xfs_inode_init_acls(struct xfs_inode *ip);
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extern void xfs_inode_clear_acls(struct xfs_inode *ip);
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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 xfs_inode_init_acls(ip)
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# define xfs_inode_clear_acls(ip)
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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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