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Fix sync_file_range on ppc/ppc64.

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I've noticed that sync_file_range is a stub on ppc/ppc64.
The kernel on these arches provides sync_file_range2 syscall with swapped
parameters.
The following completely untested patch ought to fix this.
This commit is contained in:
Jakub Jelinek
2009-11-17 18:04:51 -08:00
committed by Ulrich Drepper
parent f8c10bb45b
commit 8ad81b316b
3 changed files with 61 additions and 1 deletions
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10
sysdeps/unix/sysv/linux/sync_file_range.c
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@ -1,5 +1,5 @@
/* Selective file content synch'ing.
Copyright (C) 2006, 2007 Free Software Foundation, Inc.
Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -34,6 +34,14 @@ sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
__LONG_LONG_PAIR ((long) (to >> 32), (long) to),
flags);
}
#elif defined __NR_sync_file_range2
int
sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)
{
return INLINE_SYSCALL (sync_file_range2, 6, fd, flags,
__LONG_LONG_PAIR ((long) (from >> 32), (long) from),
__LONG_LONG_PAIR ((long) (to >> 32), (long) to));
}
#else
int
sync_file_range (int fd, __off64_t from, __off64_t to, unsigned int flags)