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Diffstat (limited to 'fs/xfs/xfs_acl.h')
-rw-r--r--fs/xfs/xfs_acl.h97
1 files changed, 32 insertions, 65 deletions
diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h
index 642f1db4def4..63dc1f2efad5 100644
--- a/fs/xfs/xfs_acl.h
+++ b/fs/xfs/xfs_acl.h
@@ -18,81 +18,48 @@
#ifndef __XFS_ACL_H__
#define __XFS_ACL_H__
-/*
- * Access Control Lists
- */
-typedef __uint16_t xfs_acl_perm_t;
-typedef __int32_t xfs_acl_tag_t;
-typedef __int32_t xfs_acl_id_t;
+struct inode;
+struct posix_acl;
+struct xfs_inode;
#define XFS_ACL_MAX_ENTRIES 25
#define XFS_ACL_NOT_PRESENT (-1)
-typedef struct xfs_acl_entry {
- xfs_acl_tag_t ae_tag;
- xfs_acl_id_t ae_id;
- xfs_acl_perm_t ae_perm;
-} xfs_acl_entry_t;
-
-typedef struct xfs_acl {
- __int32_t acl_cnt;
- xfs_acl_entry_t acl_entry[XFS_ACL_MAX_ENTRIES];
-} xfs_acl_t;
+/* On-disk XFS access control list structure */
+struct xfs_acl {
+ __be32 acl_cnt;
+ struct xfs_acl_entry {
+ __be32 ae_tag;
+ __be32 ae_id;
+ __be16 ae_perm;
+ } acl_entry[XFS_ACL_MAX_ENTRIES];
+};
/* On-disk XFS extended attribute names */
-#define SGI_ACL_FILE "SGI_ACL_FILE"
-#define SGI_ACL_DEFAULT "SGI_ACL_DEFAULT"
+#define SGI_ACL_FILE "SGI_ACL_FILE"
+#define SGI_ACL_DEFAULT "SGI_ACL_DEFAULT"
#define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1)
#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
-#define _ACL_TYPE_ACCESS 1
-#define _ACL_TYPE_DEFAULT 2
-
#ifdef CONFIG_XFS_POSIX_ACL
+extern int xfs_check_acl(struct inode *inode, int mask);
+extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
+extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl);
+extern int xfs_acl_chmod(struct inode *inode);
+extern void xfs_inode_init_acls(struct xfs_inode *ip);
+extern void xfs_inode_clear_acls(struct xfs_inode *ip);
+extern int posix_acl_access_exists(struct inode *inode);
+extern int posix_acl_default_exists(struct inode *inode);
-struct vattr;
-struct xfs_inode;
-
-extern struct kmem_zone *xfs_acl_zone;
-#define xfs_acl_zone_init(zone, name) \
- (zone) = kmem_zone_init(sizeof(xfs_acl_t), (name))
-#define xfs_acl_zone_destroy(zone) kmem_zone_destroy(zone)
-
-extern int xfs_acl_inherit(struct inode *, mode_t mode, xfs_acl_t *);
-extern int xfs_acl_iaccess(struct xfs_inode *, mode_t, cred_t *);
-extern int xfs_acl_vtoacl(struct inode *, xfs_acl_t *, xfs_acl_t *);
-extern int xfs_acl_vhasacl_access(struct inode *);
-extern int xfs_acl_vhasacl_default(struct inode *);
-extern int xfs_acl_vset(struct inode *, void *, size_t, int);
-extern int xfs_acl_vget(struct inode *, void *, size_t, int);
-extern int xfs_acl_vremove(struct inode *, int);
-
-#define _ACL_PERM_INVALID(perm) ((perm) & ~(ACL_READ|ACL_WRITE|ACL_EXECUTE))
-
-#define _ACL_INHERIT(c,m,d) (xfs_acl_inherit(c,m,d))
-#define _ACL_GET_ACCESS(pv,pa) (xfs_acl_vtoacl(pv,pa,NULL) == 0)
-#define _ACL_GET_DEFAULT(pv,pd) (xfs_acl_vtoacl(pv,NULL,pd) == 0)
-#define _ACL_ACCESS_EXISTS xfs_acl_vhasacl_access
-#define _ACL_DEFAULT_EXISTS xfs_acl_vhasacl_default
-
-#define _ACL_ALLOC(a) ((a) = kmem_zone_alloc(xfs_acl_zone, KM_SLEEP))
-#define _ACL_FREE(a) ((a)? kmem_zone_free(xfs_acl_zone, (a)):(void)0)
-
+extern struct xattr_handler xfs_xattr_system_handler;
#else
-#define xfs_acl_zone_init(zone,name)
-#define xfs_acl_zone_destroy(zone)
-#define xfs_acl_vset(v,p,sz,t) (-EOPNOTSUPP)
-#define xfs_acl_vget(v,p,sz,t) (-EOPNOTSUPP)
-#define xfs_acl_vremove(v,t) (-EOPNOTSUPP)
-#define xfs_acl_vhasacl_access(v) (0)
-#define xfs_acl_vhasacl_default(v) (0)
-#define _ACL_ALLOC(a) (1) /* successfully allocate nothing */
-#define _ACL_FREE(a) ((void)0)
-#define _ACL_INHERIT(c,m,d) (0)
-#define _ACL_GET_ACCESS(pv,pa) (0)
-#define _ACL_GET_DEFAULT(pv,pd) (0)
-#define _ACL_ACCESS_EXISTS (NULL)
-#define _ACL_DEFAULT_EXISTS (NULL)
-#endif
-
+# define xfs_check_acl NULL
+# define xfs_get_acl(inode, type) NULL
+# define xfs_inherit_acl(inode, default_acl) 0
+# define xfs_acl_chmod(inode) 0
+# define xfs_inode_init_acls(ip)
+# define xfs_inode_clear_acls(ip)
+# define posix_acl_access_exists(inode) 0
+# define posix_acl_default_exists(inode) 0
+#endif /* CONFIG_XFS_POSIX_ACL */
#endif /* __XFS_ACL_H__ */