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#ifndef __XFS_ACL_H__
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#define __XFS_ACL_H__
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* Access Control Lists
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typedef __uint16_t xfs_acl_perm_t;
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typedef __int32_t xfs_acl_tag_t;
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typedef __int32_t xfs_acl_id_t;
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#define XFS_ACL_MAX_ENTRIES 25
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#define XFS_ACL_NOT_PRESENT (-1)
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typedef struct xfs_acl_entry {
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xfs_acl_perm_t ae_perm;
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typedef struct xfs_acl {
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xfs_acl_entry_t acl_entry[XFS_ACL_MAX_ENTRIES];
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/* On-disk XFS access control list structure */
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struct xfs_acl_entry {
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} acl_entry[XFS_ACL_MAX_ENTRIES];
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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 "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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#define _ACL_TYPE_ACCESS 1
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#define _ACL_TYPE_DEFAULT 2
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#ifdef CONFIG_XFS_POSIX_ACL
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extern struct kmem_zone *xfs_acl_zone;
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#define xfs_acl_zone_init(zone, name) \
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(zone) = kmem_zone_init(sizeof(xfs_acl_t), (name))
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#define xfs_acl_zone_destroy(zone) kmem_zone_destroy(zone)
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extern int xfs_acl_inherit(struct inode *, mode_t mode, xfs_acl_t *);
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extern int xfs_acl_iaccess(struct xfs_inode *, mode_t, cred_t *);
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extern int xfs_acl_vtoacl(struct inode *, xfs_acl_t *, xfs_acl_t *);
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extern int xfs_acl_vhasacl_access(struct inode *);
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extern int xfs_acl_vhasacl_default(struct inode *);
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extern int xfs_acl_vset(struct inode *, void *, size_t, int);
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extern int xfs_acl_vget(struct inode *, void *, size_t, int);
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extern int xfs_acl_vremove(struct inode *, int);
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#define _ACL_PERM_INVALID(perm) ((perm) & ~(ACL_READ|ACL_WRITE|ACL_EXECUTE))
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#define _ACL_INHERIT(c,m,d) (xfs_acl_inherit(c,m,d))
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#define _ACL_GET_ACCESS(pv,pa) (xfs_acl_vtoacl(pv,pa,NULL) == 0)
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#define _ACL_GET_DEFAULT(pv,pd) (xfs_acl_vtoacl(pv,NULL,pd) == 0)
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#define _ACL_ACCESS_EXISTS xfs_acl_vhasacl_access
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#define _ACL_DEFAULT_EXISTS xfs_acl_vhasacl_default
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#define _ACL_ALLOC(a) ((a) = kmem_zone_alloc(xfs_acl_zone, KM_SLEEP))
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#define _ACL_FREE(a) ((a)? kmem_zone_free(xfs_acl_zone, (a)):(void)0)
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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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#define xfs_acl_zone_init(zone,name)
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#define xfs_acl_zone_destroy(zone)
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#define xfs_acl_vset(v,p,sz,t) (-EOPNOTSUPP)
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#define xfs_acl_vget(v,p,sz,t) (-EOPNOTSUPP)
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#define xfs_acl_vremove(v,t) (-EOPNOTSUPP)
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#define xfs_acl_vhasacl_access(v) (0)
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#define xfs_acl_vhasacl_default(v) (0)
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#define _ACL_ALLOC(a) (1) /* successfully allocate nothing */
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#define _ACL_FREE(a) ((void)0)
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#define _ACL_INHERIT(c,m,d) (0)
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#define _ACL_GET_ACCESS(pv,pa) (0)
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#define _ACL_GET_DEFAULT(pv,pd) (0)
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#define _ACL_ACCESS_EXISTS (NULL)
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#define _ACL_DEFAULT_EXISTS (NULL)
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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__ */