57 lines
2.3 KiB
Diff
57 lines
2.3 KiB
Diff
Index: uClibc-0.9.33.2/libc/sysdeps/linux/common/sync_file_range.c
|
|
===================================================================
|
|
--- uClibc-0.9.33.2.orig/libc/sysdeps/linux/common/sync_file_range.c 2012-05-15 09:20:09.000000000 +0200
|
|
+++ uClibc-0.9.33.2/libc/sysdeps/linux/common/sync_file_range.c 2015-04-03 00:27:47.701221722 +0200
|
|
@@ -4,24 +4,39 @@
|
|
*
|
|
* Copyright (C) 2008 Bernhard Reutner-Fischer <uclibc@uclibc.org>
|
|
*
|
|
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
|
|
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
|
|
*/
|
|
|
|
#include <sys/syscall.h>
|
|
-#if defined __USE_GNU
|
|
-#include <fcntl.h>
|
|
+#if defined __UCLIBC_HAS_LFS__ && defined __USE_GNU
|
|
+# include <bits/wordsize.h>
|
|
+# include <endian.h>
|
|
+# include <fcntl.h>
|
|
|
|
-#if defined __NR_sync_file_range && defined __UCLIBC_HAS_LFS__
|
|
-#define __NR___syscall_sync_file_range __NR_sync_file_range
|
|
-static __inline__ _syscall6(int, __syscall_sync_file_range, int, fd,
|
|
- off_t, offset_hi, off_t, offset_lo,
|
|
- off_t, nbytes_hi, off_t, nbytes_lo, unsigned int, flags)
|
|
+# ifdef __NR_sync_file_range2
|
|
+# undef __NR_sync_file_range
|
|
+# define __NR_sync_file_range __NR_sync_file_range2
|
|
+# endif
|
|
+
|
|
+# ifdef __NR_sync_file_range
|
|
int sync_file_range(int fd, off64_t offset, off64_t nbytes, unsigned int flags)
|
|
{
|
|
- return __syscall_sync_file_range(fd,
|
|
- __LONG_LONG_PAIR((long)(offset >> 32), (long)(offset & 0xffffffff)),
|
|
- __LONG_LONG_PAIR((long)(nbytes >> 32), (long)(nbytes & 0xffffffff)),
|
|
- flags);
|
|
+# if defined __powerpc__ && __WORDSIZE == 64
|
|
+ return INLINE_SYSCALL(sync_file_range, 4, fd, flags, offset, nbytes);
|
|
+# elif (defined __mips__ && _MIPS_SIM == _ABIO32) || \
|
|
+ (defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) && !(defined(__powerpc__) || defined(__xtensa__)))
|
|
+ /* arch with 64-bit data in even reg alignment #2: [arcv2/others-in-future]
|
|
+ * stock syscall handler in kernel (reg hole punched)
|
|
+ * see libc/sysdeps/linux/common/posix_fadvise.c for more details */
|
|
+ return INLINE_SYSCALL(sync_file_range, 7, fd, 0,
|
|
+ OFF64_HI_LO(offset), OFF64_HI_LO(nbytes), flags);
|
|
+# elif defined __NR_sync_file_range2
|
|
+ return INLINE_SYSCALL(sync_file_range, 6, fd, flags,
|
|
+ OFF64_HI_LO(offset), OFF64_HI_LO(nbytes));
|
|
+# else
|
|
+ return INLINE_SYSCALL(sync_file_range, 6, fd,
|
|
+ OFF64_HI_LO(offset), OFF64_HI_LO(nbytes), flags);
|
|
+# endif
|
|
}
|
|
-#endif
|
|
+# endif
|
|
#endif
|