alpha: drop __ASSUME_FDATASYNC

Since we require a new enough kernel all the time, the __ASSUME_FDATASYNC
define has been hardcoded to 1.  That means we can delete the alpha file
for fdatasync now and rely on the syscalls list like other ports.

4 files changed, 7 insertions, 52 deletions

diff --git a/ChangeLog b/ChangeLog
index 4dad38c..5fe57ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-09-17  Mike Frysinger  <vapier@gentoo.org>
+
+	* sysdeps/unix/sysv/linux/alpha/Makefile (CFLAGS-fdatasync.c): Delete.
+	* sysdeps/unix/sysv/linux/alpha/fdatasync.c: Delete.
+	* sysdeps/unix/sysv/linux/alpha/kernel-features.h
+	(__ASSUME_FDATASYNC): Delete.
+
 2015-09-17  Joseph Myers  <joseph@codesourcery.com>
 
 	* conform/linknamespace.pl: Require weak undefined symbols to be
diff --git a/sysdeps/unix/sysv/linux/alpha/Makefile b/sysdeps/unix/sysv/linux/alpha/Makefile
index 3769bef..c089545 100644
--- a/sysdeps/unix/sysv/linux/alpha/Makefile
+++ b/sysdeps/unix/sysv/linux/alpha/Makefile
@@ -20,7 +20,6 @@ sysdep_routines += osf_select osf_gettimeofday osf_settimeofday \
 # Support old ipc control
 sysdep_routines += oldmsgctl oldsemctl oldshmctl
 
-CFLAGS-fdatasync.c = -fexceptions
 CFLAGS-ioperm.c = -Wa,-mev6
 endif
 
diff --git a/sysdeps/unix/sysv/linux/alpha/fdatasync.c b/sysdeps/unix/sysv/linux/alpha/fdatasync.c
deleted file mode 100644
index c8b711e..0000000
--- a/sysdeps/unix/sysv/linux/alpha/fdatasync.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/* fdatasync -- synchronize at least the data part of a file with
-   the underlying media. Linux version.
-
-   Copyright (C) 2007-2015 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
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <unistd.h>
-
-#include <sysdep-cancel.h>
-#include <sys/syscall.h>
-
-#include <kernel-features.h>
-
-int
-__fdatasync (int fd)
-{
-#ifdef __ASSUME_FDATASYNC
-  return SYSCALL_CANCEL (fdatasync, fd);
-#elif defined __NR_fdatasync
-  static int __have_no_fdatasync;
-
-  if (!__builtin_expect (__have_no_fdatasync, 0))
-    {
-      int result = SYSCALL_CANCEL (fdatasync, fd);
-      if (__builtin_expect (result, 0) != -1 || errno != ENOSYS)
-	return result;
-
-      __have_no_fdatasync = 1;
-    }
-#endif
-  return SYSCALL_CANCEL (fsync, fd);
-}
-weak_alias (__fdatasync, fdatasync)
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index 13e1b51..7ae9924 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -44,9 +44,6 @@
 #undef __ASSUME_STATFS64
 #define __ASSUME_STATFS64 0
 
-/* Support for fsyncdata was added for alpha after 2.6.21.  */
-#define __ASSUME_FDATASYNC	1
-
 /* Support for various syscalls was added for alpha in 2.6.33.  */
 #if __LINUX_KERNEL_VERSION < 0x020621
 # undef __ASSUME_PREADV