Signed-off-by: Tao Ma <[EMAIL PROTECTED]>
---
fs/ocfs2/xattr.h | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 95 insertions(+), 0 deletions(-)
create mode 100644 fs/ocfs2/xattr.h
diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h
new file mode 100644
index 0000000..a5b93cf
--- /dev/null
+++ b/fs/ocfs2/xattr.h
@@ -0,0 +1,95 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * xattr.h
+ *
+ * Function prototypes
+ *
+ * Copyright (C) 2008 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef OCFS2_XATTR_H
+#define OCFS2_XATTR_H
+
+#include <linux/init.h>
+#include <linux/xattr.h>
+
+/* Magic value in attribute blocks */
+#define OCFS2_XATTR_BLOCK_SIGNATURE_1 "XATTR01"
+#define OCFS2_XATTR_BLOCK_SIGNATURE_2 "XATTR02"
+
+enum ocfs2_xattr_type {
+ OCFS2_XATTR_INDEX_USER = 1,
+ OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS,
+ OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT,
+ OCFS2_XATTR_INDEX_TRUSTED,
+ OCFS2_XATTR_INDEX_LUSTRE,
+ OCFS2_XATTR_INDEX_SECURITY,
+ OCFS2_XATTR_MAX
+};
+
+struct ocfs2_xattr_entry {
+ __le32 xe_name_hash;
+ __le16 xe_name_offset;
+ __u8 xe_name_len;
+ __u8 xe_type : 7;
+ __u8 xe_local : 1;
+ __le64 xe_value_size;
+};
+
+struct ocfs2_xattr_header {
+ __le16 xh_count;
+ __le16 xh_reserved1;
+ __le32 xh_csum;
+ __le16 xh_reserved2[4];
+ struct ocfs2_xattr_entry xh_entries[0];
+};
+
+struct ocfs2_xattr_value_root {
+/*00*/ __le32 xr_clusters;
+ __le32 xr_reserved0;
+ __le64 xr_last_eb_blk;
+/*10*/ struct ocfs2_extent_list xr_list;
+};
+
+struct ocfs2_xattr_tree_root {
+/*00*/ __le32 xt_clusters;
+ __le32 xt_reserved0;
+ __le64 xt_last_eb_blk;
+/*10*/ struct ocfs2_extent_list xt_list;
+};
+
+#define OCFS2_XATTR_INDEXED 0x1
+
+struct ocfs2_xattr_block {
+/*00*/ __u8 xb_signature[8];
+ __le16 xb_suballoc_slot;
+ __le16 xb_suballoc_bit;
+ __le32 xb_fs_generation;
+/*10*/ __le32 xb_csum;
+ __le16 xb_flags;
+ __le16 xb_reserved0;
+ __le64 xb_blkno;
+/*20*/ __le64 xb_reserved1[2];
+/*30*/ union {
+ struct ocfs2_xattr_header xb_header;
+ struct ocfs2_xattr_tree_root xb_root;
+ } xb_attrs;
+};
+
+#endif /* OCFS2_XATTR_H */
--
1.5.4.GIT
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