1 files changed, 84 insertions, 0 deletions

diff --git a/fs/xfs/xfs_cap.h b/fs/xfs/xfs_cap.h
new file mode 100644
index 000000000000..2deac7303758
--- /dev/null
+++ b/fs/xfs/xfs_cap.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+#ifndef __XFS_CAP_H__
+#define __XFS_CAP_H__
+
+/*
+ * Capabilities
+ */
+typedef __uint64_t xfs_cap_value_t;
+
+typedef struct xfs_cap_set {
+        xfs_cap_value_t cap_effective;  /* use in capability checks */
+        xfs_cap_value_t cap_permitted;  /* combined with file attrs */
+        xfs_cap_value_t cap_inheritable;/* pass through exec */
+} xfs_cap_set_t;
+
+/* On-disk XFS extended attribute names */
+#define SGI_CAP_FILE    "SGI_CAP_FILE"
+#define SGI_CAP_FILE_SIZE       (sizeof(SGI_CAP_FILE)-1)
+#define SGI_CAP_LINUX   "SGI_CAP_LINUX"
+#define SGI_CAP_LINUX_SIZE      (sizeof(SGI_CAP_LINUX)-1)
+
+/*
+ * For Linux, we take the bitfields directly from capability.h
+ * and no longer attempt to keep this attribute ondisk compatible
+ * with IRIX.  Since this attribute is only set on exectuables,
+ * it just doesn't make much sense to try.  We do use a different
+ * named attribute though, to avoid confusion.
+ */
+
+#ifdef __KERNEL__
+
+#ifdef CONFIG_FS_POSIX_CAP
+
+#include <linux/posix_cap_xattr.h>
+
+struct vnode;
+
+extern int xfs_cap_vhascap(struct vnode *);
+extern int xfs_cap_vset(struct vnode *, void *, size_t);
+extern int xfs_cap_vget(struct vnode *, void *, size_t);
+extern int xfs_cap_vremove(struct vnode *vp);
+
+#define _CAP_EXISTS             xfs_cap_vhascap
+
+#else
+#define xfs_cap_vset(v,p,sz)    (-EOPNOTSUPP)
+#define xfs_cap_vget(v,p,sz)    (-EOPNOTSUPP)
+#define xfs_cap_vremove(v)      (-EOPNOTSUPP)
+#define _CAP_EXISTS             (NULL)
+#endif
+
+#endif  /* __KERNEL__ */
+
+#endif  /* __XFS_CAP_H__ */