xfs: use generic get_unaligned_beXX helpers

Switch the shortform directory code over to use the generic
get_unaligned_beXX helpers instead of reinventing them.  As a result
kill off xfs_arch.h and move the setting of XFS_NATIVE_HOST into
xfs_linux.h.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

1 files changed, 0 insertions, 136 deletions

diff --git a/fs/xfs/xfs_arch.h b/fs/xfs/xfs_arch.h
deleted file mode 100644
index 0902249..0000000
--- a/fs/xfs/xfs_arch.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
- * 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.
- *
- * 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_ARCH_H__
-#define __XFS_ARCH_H__
-
-#ifndef XFS_BIG_INUMS
-# error XFS_BIG_INUMS must be defined true or false
-#endif
-
-#ifdef __KERNEL__
-
-#include <asm/byteorder.h>
-
-#ifdef __BIG_ENDIAN
-#define	XFS_NATIVE_HOST	1
-#else
-#undef XFS_NATIVE_HOST
-#endif
-
-#else /* __KERNEL__ */
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define	XFS_NATIVE_HOST	1
-#else
-#undef XFS_NATIVE_HOST
-#endif
-
-#ifdef XFS_NATIVE_HOST
-#define cpu_to_be16(val)	((__force __be16)(__u16)(val))
-#define cpu_to_be32(val)	((__force __be32)(__u32)(val))
-#define cpu_to_be64(val)	((__force __be64)(__u64)(val))
-#define be16_to_cpu(val)	((__force __u16)(__be16)(val))
-#define be32_to_cpu(val)	((__force __u32)(__be32)(val))
-#define be64_to_cpu(val)	((__force __u64)(__be64)(val))
-#else
-#define cpu_to_be16(val)	((__force __be16)__swab16((__u16)(val)))
-#define cpu_to_be32(val)	((__force __be32)__swab32((__u32)(val)))
-#define cpu_to_be64(val)	((__force __be64)__swab64((__u64)(val)))
-#define be16_to_cpu(val)	(__swab16((__force __u16)(__be16)(val)))
-#define be32_to_cpu(val)	(__swab32((__force __u32)(__be32)(val)))
-#define be64_to_cpu(val)	(__swab64((__force __u64)(__be64)(val)))
-#endif
-
-static inline void be16_add_cpu(__be16 *a, __s16 b)
-{
-	*a = cpu_to_be16(be16_to_cpu(*a) + b);
-}
-
-static inline void be32_add_cpu(__be32 *a, __s32 b)
-{
-	*a = cpu_to_be32(be32_to_cpu(*a) + b);
-}
-
-static inline void be64_add_cpu(__be64 *a, __s64 b)
-{
-	*a = cpu_to_be64(be64_to_cpu(*a) + b);
-}
-
-#endif	/* __KERNEL__ */
-
-/*
- * get and set integers from potentially unaligned locations
- */
-
-#define INT_GET_UNALIGNED_16_BE(pointer) \
-   ((__u16)((((__u8*)(pointer))[0] << 8) | (((__u8*)(pointer))[1])))
-#define INT_SET_UNALIGNED_16_BE(pointer,value) \
-    { \
-	((__u8*)(pointer))[0] = (((value) >> 8) & 0xff); \
-	((__u8*)(pointer))[1] = (((value)     ) & 0xff); \
-    }
-
-/*
- * In directories inode numbers are stored as unaligned arrays of unsigned
- * 8bit integers on disk.
- *
- * For v1 directories or v2 directories that contain inode numbers that
- * do not fit into 32bit the array has eight members, but the first member
- * is always zero:
- *
- *  |unused|48-55|40-47|32-39|24-31|16-23| 8-15| 0- 7|
- *
- * For v2 directories that only contain entries with inode numbers that fit
- * into 32bits a four-member array is used:
- *
- *  |24-31|16-23| 8-15| 0- 7|
- */ 
-
-#define XFS_GET_DIR_INO4(di) \
-	(((__u32)(di).i[0] << 24) | ((di).i[1] << 16) | ((di).i[2] << 8) | ((di).i[3]))
-
-#define XFS_PUT_DIR_INO4(from, di) \
-do { \
-	(di).i[0] = (((from) & 0xff000000ULL) >> 24); \
-	(di).i[1] = (((from) & 0x00ff0000ULL) >> 16); \
-	(di).i[2] = (((from) & 0x0000ff00ULL) >> 8); \
-	(di).i[3] = ((from) & 0x000000ffULL); \
-} while (0)
-
-#define XFS_DI_HI(di) \
-	(((__u32)(di).i[1] << 16) | ((di).i[2] << 8) | ((di).i[3]))
-#define XFS_DI_LO(di) \
-	(((__u32)(di).i[4] << 24) | ((di).i[5] << 16) | ((di).i[6] << 8) | ((di).i[7]))
-
-#define XFS_GET_DIR_INO8(di)        \
-	(((xfs_ino_t)XFS_DI_LO(di) & 0xffffffffULL) | \
-	 ((xfs_ino_t)XFS_DI_HI(di) << 32))
-
-#define XFS_PUT_DIR_INO8(from, di) \
-do { \
-	(di).i[0] = 0; \
-	(di).i[1] = (((from) & 0x00ff000000000000ULL) >> 48); \
-	(di).i[2] = (((from) & 0x0000ff0000000000ULL) >> 40); \
-	(di).i[3] = (((from) & 0x000000ff00000000ULL) >> 32); \
-	(di).i[4] = (((from) & 0x00000000ff000000ULL) >> 24); \
-	(di).i[5] = (((from) & 0x0000000000ff0000ULL) >> 16); \
-	(di).i[6] = (((from) & 0x000000000000ff00ULL) >> 8); \
-	(di).i[7] = ((from) & 0x00000000000000ffULL); \
-} while (0)
-	
-#endif	/* __XFS_ARCH_H__ */