ocfs2: add ext2 attributes

Support immutable, and other attributes.

Some renaming and other minor fixes done by myself.

Signed-off-by: Herbert Poetzl <herbert@13thfloor.at>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 23 insertions, 1 deletions

diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index c5b1ac547c15..3330a5dc6be2 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -114,6 +114,26 @@
 #define OCFS2_CHAIN_FL          (0x00000400)    /* Chain allocator */
 #define OCFS2_DEALLOC_FL        (0x00000800)    /* Truncate log */
 
+/* Inode attributes, keep in sync with EXT2 */
+#define OCFS2_SECRM_FL          (0x00000001)    /* Secure deletion */
+#define OCFS2_UNRM_FL           (0x00000002)    /* Undelete */
+#define OCFS2_COMPR_FL          (0x00000004)    /* Compress file */
+#define OCFS2_SYNC_FL           (0x00000008)    /* Synchronous updates */
+#define OCFS2_IMMUTABLE_FL      (0x00000010)    /* Immutable file */
+#define OCFS2_APPEND_FL         (0x00000020)    /* writes to file may only append */
+#define OCFS2_NODUMP_FL         (0x00000040)    /* do not dump file */
+#define OCFS2_NOATIME_FL        (0x00000080)    /* do not update atime */
+#define OCFS2_DIRSYNC_FL        (0x00010000)    /* dirsync behaviour (directories only) */
+
+#define OCFS2_FL_VISIBLE        (0x000100FF)    /* User visible flags */
+#define OCFS2_FL_MODIFIABLE     (0x000100FF)    /* User modifiable flags */
+
+/*
+ * ioctl commands
+ */
+#define OCFS2_IOC_GETFLAGS      _IOR('f', 1, long)
+#define OCFS2_IOC_SETFLAGS      _IOW('f', 2, long)
+
 /*
  * Journal Flags (ocfs2_dinode.id1.journal1.i_flags)
  */
@@ -399,7 +419,9 @@ struct ocfs2_dinode {
         __le32 i_atime_nsec;
         __le32 i_ctime_nsec;
         __le32 i_mtime_nsec;
-/*70*/  __le64 i_reserved1[9];
+        __le32 i_attr;
+        __le32 i_reserved1;
+/*70*/  __le64 i_reserved2[8];
 /*B8*/  union {
                 __le64 i_pad1;          /* Generic way to refer to this
                                            64bit union */