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Koen Kooi
bb34e69f3d
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
From c6fc3006639bfddf212067de1c13a8345019d934 Mon Sep 17 00:00:00 2001
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From: Chris Metcalf <cmetcalf@tilera.com>
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Date: Mon, 26 Mar 2012 16:26:12 -0400
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Subject: [PATCH 142/147] compat: use sys_sendfile64() implementation for
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sendfile syscall
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commit 1631fcea8399da5e80a80084b3b8c5bfd99d21e7 upstream.
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<asm-generic/unistd.h> was set up to use sys_sendfile() for the 32-bit
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compat API instead of sys_sendfile64(), but in fact the right thing to
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do is to use sys_sendfile64() in all cases. The 32-bit sendfile64() API
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in glibc uses the sendfile64 syscall, so it has to be capable of doing
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full 64-bit operations. But the sys_sendfile() kernel implementation
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has a MAX_NON_LFS test in it which explicitly limits the offset to 2^32.
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So, we need to use the sys_sendfile64() implementation in the kernel
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for this case.
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Acked-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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include/asm-generic/unistd.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
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index 2292d1a..991ef01 100644
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--- a/include/asm-generic/unistd.h
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+++ b/include/asm-generic/unistd.h
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@@ -218,7 +218,7 @@ __SC_COMP(__NR_pwritev, sys_pwritev, compat_sys_pwritev)
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/* fs/sendfile.c */
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#define __NR3264_sendfile 71
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-__SC_3264(__NR3264_sendfile, sys_sendfile64, sys_sendfile)
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+__SYSCALL(__NR3264_sendfile, sys_sendfile64)
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/* fs/select.c */
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#define __NR_pselect6 72
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--
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1.7.9.4
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