[PATCH v0 2/3] mdadm: include asm/byteorder.h

[mtkaczyk@kernel.org]

From: Mariusz Tkaczyk <mtkaczyk@kernel.org>

It will be included by raid/md_p.h anyway. Include it directly and
remove custom functions. It is not a problem now.

Signed-off-by: Mariusz Tkaczyk <mtkaczyk@kernel.org>
---
 mdadm.h | 55 +------------------------------------------------------
 1 file changed, 1 insertion(+), 54 deletions(-)

diff --git a/mdadm.h b/mdadm.h
index 0b86e4849d33..d2c2a4dac11b 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -34,6 +34,7 @@ extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence));
 #endif
 
 #include	<assert.h>
+#include	<asm/byteorder.h>
 #include	<sys/types.h>
 #include	<sys/stat.h>
 #include	<stdarg.h>
@@ -85,7 +86,6 @@ struct dlm_lksb {
 #endif
 
 #include	<linux/kdev_t.h>
-/*#include	<linux/fs.h> */
 #include	<sys/mount.h>
 #include	<asm/types.h>
 #include	<sys/ioctl.h>
@@ -169,59 +169,6 @@ struct dlm_lksb {
 #include	"msg.h"
 #include	"mdadm_status.h"
 
-#include <endian.h>
-/* Redhat don't like to #include <asm/byteorder.h>, and
- * some time include <linux/byteorder/xxx_endian.h> isn't enough,
- * and there is no standard conversion function so... */
-/* And dietlibc doesn't think byteswap is ok, so.. */
-/*  #include <byteswap.h> */
-#define __mdadm_bswap_16(x) (((x) & 0x00ffU) << 8 | \
-			     ((x) & 0xff00U) >> 8)
-#define __mdadm_bswap_32(x) (((x) & 0x000000ffU) << 24 | \
-			     ((x) & 0xff000000U) >> 24 | \
-			     ((x) & 0x0000ff00U) << 8  | \
-			     ((x) & 0x00ff0000U) >> 8)
-#define __mdadm_bswap_64(x) (((x) & 0x00000000000000ffULL) << 56 | \
-			     ((x) & 0xff00000000000000ULL) >> 56 | \
-			     ((x) & 0x000000000000ff00ULL) << 40 | \
-			     ((x) & 0x00ff000000000000ULL) >> 40 | \
-			     ((x) & 0x0000000000ff0000ULL) << 24 | \
-			     ((x) & 0x0000ff0000000000ULL) >> 24 | \
-			     ((x) & 0x00000000ff000000ULL) << 8 |  \
-			     ((x) & 0x000000ff00000000ULL) >> 8)
-
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define	__cpu_to_le16(_x) (unsigned int)(_x)
-#define __cpu_to_le32(_x) (unsigned int)(_x)
-#define __cpu_to_le64(_x) (unsigned long long)(_x)
-#define	__le16_to_cpu(_x) (unsigned int)(_x)
-#define __le32_to_cpu(_x) (unsigned int)(_x)
-#define __le64_to_cpu(_x) (unsigned long long)(_x)
-
-#define	__cpu_to_be16(_x) __mdadm_bswap_16(_x)
-#define __cpu_to_be32(_x) __mdadm_bswap_32(_x)
-#define __cpu_to_be64(_x) __mdadm_bswap_64(_x)
-#define	__be16_to_cpu(_x) __mdadm_bswap_16(_x)
-#define __be32_to_cpu(_x) __mdadm_bswap_32(_x)
-#define __be64_to_cpu(_x) __mdadm_bswap_64(_x)
-#elif BYTE_ORDER == BIG_ENDIAN
-#define	__cpu_to_le16(_x) __mdadm_bswap_16(_x)
-#define __cpu_to_le32(_x) __mdadm_bswap_32(_x)
-#define __cpu_to_le64(_x) __mdadm_bswap_64(_x)
-#define	__le16_to_cpu(_x) __mdadm_bswap_16(_x)
-#define __le32_to_cpu(_x) __mdadm_bswap_32(_x)
-#define __le64_to_cpu(_x) __mdadm_bswap_64(_x)
-
-#define	__cpu_to_be16(_x) (unsigned int)(_x)
-#define __cpu_to_be32(_x) (unsigned int)(_x)
-#define __cpu_to_be64(_x) (unsigned long long)(_x)
-#define	__be16_to_cpu(_x) (unsigned int)(_x)
-#define __be32_to_cpu(_x) (unsigned int)(_x)
-#define __be64_to_cpu(_x) (unsigned long long)(_x)
-#else
-#  error "unknown endianness."
-#endif
-
 /*
  * Partially stolen from include/linux/unaligned/packed_struct.h
  */
-- 
2.43.0