From: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>

After restoring the existing code, make it work also when included in
kernelspace code (which isn't currently the case, but at least this will prevent
people from "fixing" it as just happened).
Whitespace is fixed in next patch - it cluttered the diff too much.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
---

 arch/um/drivers/cow.h      |   27 ++++++++++++++++++++++++++-
 arch/um/drivers/cow_user.c |    1 -
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h
--- a/arch/um/drivers/cow.h
+++ b/arch/um/drivers/cow.h
@@ -3,6 +3,26 @@
 
 #include <asm/types.h>
 
+#if defined(__KERNEL__)
+
+# include <asm/byteorder.h>
+
+# if defined(__BIG_ENDIAN)
+#      define ntohll(x) (x)
+#      define htonll(x) (x)
+# elif defined(__LITTLE_ENDIAN)
+#      define ntohll(x)  be64_to_cpu(x)
+#      define htonll(x)  cpu_to_be64(x)
+# else
+#      error "Could not determine byte order"
+# endif
+
+#else
+/* For the definition of ntohl, htonl and __BYTE_ORDER */
+#include <endian.h>
+#include <netinet/in.h>
+#if defined(__BYTE_ORDER)
+
 #if __BYTE_ORDER == __BIG_ENDIAN
 # define ntohll(x) (x)
 # define htonll(x) (x)
@@ -10,8 +30,13 @@
 # define ntohll(x)  bswap_64(x)
 # define htonll(x)  bswap_64(x)
 #else
-#error "__BYTE_ORDER not defined"
+# error "Could not determine byte order: __BYTE_ORDER uncorrectly defined"
+#endif
+
+#else  /* ! defined(__BYTE_ORDER) */
+#      error "Could not determine byte order: __BYTE_ORDER not defined"
 #endif
+#endif /* ! defined(__KERNEL__) */
 
 extern int init_cow_file(int fd, char *cow_file, char *backing_file,
                         int sectorsize, int alignment, int *bitmap_offset_out,
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -9,7 +9,6 @@
 #include <sys/time.h>
 #include <sys/param.h>
 #include <sys/user.h>
-#include <netinet/in.h>
 
 #include "os.h"
 



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