[XFS] Cleanup some -Wundef flag warnings in the endian macros (thanks
Christoph).
SGI-PV: 942400
SGI-Modid: xfs-linux-melb:xfs-kern:23771a
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_arch.h b/fs/xfs/xfs_arch.h
index ae35189..5ab0dd8 100644
--- a/fs/xfs/xfs_arch.h
+++ b/fs/xfs/xfs_arch.h
@@ -40,22 +40,28 @@
#include <asm/byteorder.h>
-#ifdef __LITTLE_ENDIAN
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
#ifdef __BIG_ENDIAN
-# define __BYTE_ORDER __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
#endif /* __KERNEL__ */
/* do we need conversion? */
-
#define ARCH_NOCONVERT 1
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-# define ARCH_CONVERT 0
-#else
+#ifdef XFS_NATIVE_HOST
# define ARCH_CONVERT ARCH_NOCONVERT
+#else
+# define ARCH_CONVERT 0
#endif
/* generic swapping macros */
diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c
index 09c4135..09a77b1 100644
--- a/fs/xfs/xfs_bmap_btree.c
+++ b/fs/xfs/xfs_bmap_btree.c
@@ -2017,7 +2017,7 @@
ext_flag);
}
-#if __BYTE_ORDER != __BIG_ENDIAN
+#ifndef XFS_NATIVE_HOST
/* Endian flipping versions of the bmbt extraction functions */
void
xfs_bmbt_disk_get_all(
@@ -2087,7 +2087,7 @@
return xfs_extent_state(xfs_bmbt_disk_get_blockcount(r),
ext_flag);
}
-#endif
+#endif /* XFS_NATIVE_HOST */
/*
@@ -2531,7 +2531,7 @@
#endif /* XFS_BIG_BLKNOS */
}
-#if __BYTE_ORDER != __BIG_ENDIAN
+#ifndef XFS_NATIVE_HOST
/*
* Set all the fields in a bmap extent record from the uncompressed form.
*/
@@ -2617,7 +2617,7 @@
}
#endif /* XFS_BIG_BLKNOS */
}
-#endif
+#endif /* XFS_NATIVE_HOST */
/*
* Set the blockcount field in a bmap extent record.
diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h
index 0a40cf1..2cf4fe4 100644
--- a/fs/xfs/xfs_bmap_btree.h
+++ b/fs/xfs/xfs_bmap_btree.h
@@ -62,7 +62,7 @@
* l1:0-20 are blockcount.
*/
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#ifndef XFS_NATIVE_HOST
#define BMBT_TOTAL_BITLEN 128 /* 128 bits, 16 bytes */
#define BMBT_EXNTFLAG_BITOFF 0
@@ -87,7 +87,7 @@
#define BMBT_BLOCKCOUNT_BITOFF 64 /* Start of second 64 bit container */
#define BMBT_BLOCKCOUNT_BITLEN 21
-#endif
+#endif /* XFS_NATIVE_HOST */
#define BMBT_USE_64 1
@@ -505,7 +505,7 @@
xfs_bmbt_get_state(
xfs_bmbt_rec_t *r);
-#if __BYTE_ORDER != __BIG_ENDIAN
+#ifndef XFS_NATIVE_HOST
void
xfs_bmbt_disk_get_all(
xfs_bmbt_rec_t *r,
@@ -538,7 +538,7 @@
xfs_bmbt_get_blockcount(r)
#define xfs_bmbt_disk_get_startoff(r) \
xfs_bmbt_get_startoff(r)
-#endif
+#endif /* XFS_NATIVE_HOST */
int
xfs_bmbt_increment(
@@ -623,7 +623,7 @@
xfs_bmbt_rec_t *r,
xfs_exntst_t v);
-#if __BYTE_ORDER != __BIG_ENDIAN
+#ifndef XFS_NATIVE_HOST
void
xfs_bmbt_disk_set_all(
xfs_bmbt_rec_t *r,
@@ -641,7 +641,7 @@
xfs_bmbt_set_all(r, s)
#define xfs_bmbt_disk_set_allf(r, o, b, c, v) \
xfs_bmbt_set_allf(r, o, b, c, v)
-#endif
+#endif /* XFS_NATIVE_HOST */
void
xfs_bmbt_to_bmdr(
diff --git a/fs/xfs/xfs_dir_leaf.h b/fs/xfs/xfs_dir_leaf.h
index dd423ce..480bffc 100644
--- a/fs/xfs/xfs_dir_leaf.h
+++ b/fs/xfs/xfs_dir_leaf.h
@@ -127,13 +127,13 @@
* Watch the order here (endian-ness dependent).
*/
struct {
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#ifndef XFS_NATIVE_HOST
xfs_dahash_t h; /* hash value */
__uint32_t be; /* block and entry */
-#else /* __BYTE_ORDER == __BIG_ENDIAN */
+#else
__uint32_t be; /* block and entry */
xfs_dahash_t h; /* hash value */
-#endif /* __BYTE_ORDER == __BIG_ENDIAN */
+#endif /* XFS_NATIVE_HOST */
} s;
} xfs_dircook_t;
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 276ec70..50e2cad 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -341,7 +341,7 @@
nrecs = ip->i_df.if_bytes /
(uint)sizeof(xfs_bmbt_rec_t);
ASSERT(nrecs > 0);
-#if __BYTE_ORDER == __BIG_ENDIAN
+#ifdef XFS_NATIVE_HOST
if (nrecs == ip->i_d.di_nextents) {
/*
* There are no delayed allocation
@@ -473,7 +473,7 @@
#endif
ASSERT(nrecs > 0);
ASSERT(nrecs == ip->i_d.di_anextents);
-#if __BYTE_ORDER == __BIG_ENDIAN
+#ifdef XFS_NATIVE_HOST
/*
* There are not delayed allocation extents
* for attributes, so just point at the array.
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index eb7fdc6..a884cea 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -112,7 +112,7 @@
* this has endian issues, of course.
*/
-#if __BYTE_ORDER == __LITTLE_ENDIAN
+#ifndef XFS_NATIVE_HOST
#define GET_CLIENT_ID(i,arch) \
((i) & 0xff)
#else
@@ -414,14 +414,10 @@
#define XLOG_FMT_IRIX_BE 3
/* our fmt */
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define XLOG_FMT XLOG_FMT_LINUX_LE
-#else
-#if __BYTE_ORDER == __BIG_ENDIAN
+#ifdef XFS_NATIVE_HOST
#define XLOG_FMT XLOG_FMT_LINUX_BE
#else
-#error unknown byte order
-#endif
+#define XLOG_FMT XLOG_FMT_LINUX_LE
#endif
typedef struct xlog_rec_header {