linux-kernel - [PATCH] generic syscalls: wire up preadv2 and pwritev2 syscalls

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Date:	Mon, 11 Apr 2016 10:17:46 +0100
From:	Andre Przywara <andre.przywara@....com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Will Deacon <will.deacon@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] generic syscalls: wire up preadv2 and pwritev2 syscalls

These new syscalls are implemented as generic code, so enable them for
architectures like arm64 which use the generic syscall table.

Signed-off-by: Andre Przywara <andre.przywara@....com>
---
 include/uapi/asm-generic/unistd.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 2622b33..6e0f5f0 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -717,9 +717,13 @@ __SYSCALL(__NR_membarrier, sys_membarrier)
 __SYSCALL(__NR_mlock2, sys_mlock2)
 #define __NR_copy_file_range 285
 __SYSCALL(__NR_copy_file_range, sys_copy_file_range)
+#define __NR_preadv2 286
+__SYSCALL(__NR_preadv2, sys_preadv2)
+#define __NR_pwritev2 287
+__SYSCALL(__NR_pwritev2, sys_pwritev2)
 
 #undef __NR_syscalls
-#define __NR_syscalls 286
+#define __NR_syscalls 288
 
 /*
  * All syscalls below here should go away really,
-- 
2.7.3