linux-kernel - [PATCH 3.12 060/142] xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file

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Date:	Sat, 16 May 2015 09:37:00 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Max Filippov <jcmvbkbc@...il.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 060/142] xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file_range

From: Max Filippov <jcmvbkbc@...il.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 01e84c70fe40c8111f960987bcf7f931842e6d07 upstream.

xtensa actually uses sync_file_range2 implementation, so it should
define __NR_sync_file_range2 as other architectures that use that
function. That fixes userspace interface (that apparently never worked)
and avoids special-casing xtensa in libc implementations.
See the thread ending at
http://lists.busybox.net/pipermail/uclibc/2015-February/048833.html
for more details.

Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 arch/xtensa/include/uapi/asm/unistd.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
index 513effd48060..d07c1886bc8f 100644
--- a/arch/xtensa/include/uapi/asm/unistd.h
+++ b/arch/xtensa/include/uapi/asm/unistd.h
@@ -715,7 +715,7 @@ __SYSCALL(323, sys_process_vm_writev, 6)
 __SYSCALL(324, sys_name_to_handle_at, 5)
 #define __NR_open_by_handle_at			325
 __SYSCALL(325, sys_open_by_handle_at, 3)
-#define __NR_sync_file_range			326
+#define __NR_sync_file_range2			326
 __SYSCALL(326, sys_sync_file_range2, 6)
 #define __NR_perf_event_open			327
 __SYSCALL(327, sys_perf_event_open, 5)
-- 
2.3.7

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