1 files changed, 135 insertions, 0 deletions
diff --git a/core/fs/xfs/xfs_types.h b/core/fs/xfs/xfs_types.h
new file mode 100644
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--- /dev/null
+++ b/core/fs/xfs/xfs_types.h
@@ -0,0 +1,135 @@
+/*
+ * Taken from Linux kernel tree (linux/fs/xfs)
+ *
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * Copyright (c) 2012 Paulo Alcantara <pcacjr@zytor.com>
+ *
+ * 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.
+ *
+ * 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.  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 the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#ifndef XFS_TYPES_H_
+#define	XFS_TYPES_H_
+
+#include <stddef.h>
+
+#include <sys/types.h>
+
+typedef enum { B_FALSE,B_TRUE }	boolean_t;
+typedef uint32_t		prid_t;		/* project ID */
+typedef uint32_t		inst_t;		/* an instruction */
+
+typedef int64_t			xfs_off_t;	/* <file offset> type */
+typedef unsigned long long	xfs_ino_t;	/* <inode> type */
+typedef int64_t			xfs_daddr_t;	/* <disk address> type */
+typedef char *			xfs_caddr_t;	/* <core address> type */
+typedef uint32_t			xfs_dev_t;
+typedef uint32_t			xfs_nlink_t;
+
+/* __psint_t is the same size as a pointer */
+typedef int32_t __psint_t;
+typedef uint32_t __psunsigned_t;
+
+typedef uint32_t	xfs_agblock_t;	/* blockno in alloc. group */
+typedef	uint32_t	xfs_extlen_t;	/* extent length in blocks */
+typedef	uint32_t	xfs_agnumber_t;	/* allocation group number */
+typedef int32_t	xfs_extnum_t;	/* # of extents in a file */
+typedef int16_t	xfs_aextnum_t;	/* # extents in an attribute fork */
+typedef	int64_t	xfs_fsize_t;	/* bytes in a file */
+typedef uint64_t	xfs_ufsize_t;	/* unsigned bytes in a file */
+
+typedef	int32_t	xfs_suminfo_t;	/* type of bitmap summary info */
+typedef	int32_t	xfs_rtword_t;	/* word type for bitmap manipulations */
+
+typedef	int64_t	xfs_lsn_t;	/* log sequence number */
+typedef	int32_t	xfs_tid_t;	/* transaction identifier */
+
+typedef	uint32_t	xfs_dablk_t;	/* dir/attr block number (in file) */
+typedef	uint32_t	xfs_dahash_t;	/* dir/attr hash value */
+
+/*
+ * These types are 64 bits on disk but are either 32 or 64 bits in memory.
+ * Disk based types:
+ */
+typedef uint64_t	xfs_dfsbno_t;	/* blockno in filesystem (agno|agbno) */
+typedef uint64_t	xfs_drfsbno_t;	/* blockno in filesystem (raw) */
+typedef	uint64_t	xfs_drtbno_t;	/* extent (block) in realtime area */
+typedef	uint64_t	xfs_dfiloff_t;	/* block number in a file */
+typedef	uint64_t	xfs_dfilblks_t;	/* number of blocks in a file */
+
+/*
+ * Memory based types are conditional.
+ */
+typedef	uint64_t	xfs_fsblock_t;	/* blockno in filesystem (agno|agbno) */
+typedef uint64_t	xfs_rfsblock_t;	/* blockno in filesystem (raw) */
+typedef uint64_t	xfs_rtblock_t;	/* extent (block) in realtime area */
+typedef	int64_t	xfs_srtblock_t;	/* signed version of xfs_rtblock_t */
+
+typedef uint64_t	xfs_fileoff_t;	/* block number in a file */
+typedef int64_t	xfs_sfiloff_t;	/* signed block number in a file */
+typedef uint64_t	xfs_filblks_t;	/* number of blocks in a file */
+
+/*
+ * Null values for the types.
+ */
+#define	NULLDFSBNO	((xfs_dfsbno_t)-1)
+#define	NULLDRFSBNO	((xfs_drfsbno_t)-1)
+#define	NULLDRTBNO	((xfs_drtbno_t)-1)
+#define	NULLDFILOFF	((xfs_dfiloff_t)-1)
+
+#define	NULLFSBLOCK	((xfs_fsblock_t)-1)
+#define	NULLRFSBLOCK	((xfs_rfsblock_t)-1)
+#define	NULLRTBLOCK	((xfs_rtblock_t)-1)
+#define	NULLFILEOFF	((xfs_fileoff_t)-1)
+
+#define	NULLAGBLOCK	((xfs_agblock_t)-1)
+#define	NULLAGNUMBER	((xfs_agnumber_t)-1)
+#define	NULLEXTNUM	((xfs_extnum_t)-1)
+
+#define NULLCOMMITLSN	((xfs_lsn_t)-1)
+
+/*
+ * Max values for extlen, extnum, aextnum.
+ */
+#define	MAXEXTLEN	((xfs_extlen_t)0x001fffff)	/* 21 bits */
+#define	MAXEXTNUM	((xfs_extnum_t)0x7fffffff)	/* signed int */
+#define	MAXAEXTNUM	((xfs_aextnum_t)0x7fff)		/* signed short */
+
+/*
+ * Min numbers of data/attr fork btree root pointers.
+ */
+#define MINDBTPTRS	3
+#define MINABTPTRS	2
+
+/*
+ * MAXNAMELEN is the length (including the terminating null) of
+ * the longest permissible file (component) name.
+ */
+#define MAXNAMELEN	256
+
+typedef enum {
+	XFS_LOOKUP_EQi, XFS_LOOKUP_LEi, XFS_LOOKUP_GEi
+} xfs_lookup_t;
+
+typedef enum {
+	XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi,
+	XFS_BTNUM_MAX
+} xfs_btnum_t;
+
+struct xfs_name {
+	const unsigned char	*name;
+	int			len;
+};
+
+#endif	/* XFS_TYPES_H_ */