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From: Andi Kleen <ak@muc.de>
To: Jan Kasprzak <kas@informatics.muni.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: sendfile -EOVERFLOW on AMD64
Date: Wed, 19 May 2004 11:29:18 +0200	[thread overview]
Message-ID: <m3d650wys1.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <1XuW9-3G0-23@gated-at.bofh.it> (Jan Kasprzak's message of "Wed, 19 May 2004 10:50:13 +0200")

Jan Kasprzak <kas@informatics.muni.cz> writes:
>
> The image (FC2-i386-DVD.iso) has 4370640896 bytes. The FTP server is native
> x86_64 binary, not a 32-bit one.

sys_sendfile limits itself dumbly to 2GB even on 64bit architectures.
This patch should fix it on x86-64, although other 64bit ports may 
need a similar patch. Just removing the limit in read_write 
is not easy, because it would need fixes in all the 32bit emulation
layers.

-Andi

diff -u linux-2.6.6-amd64/include/asm-x86_64/unistd.h-o linux-2.6.6-amd64/include/asm-x86_64/unistd.h
--- linux-2.6.6-amd64/include/asm-x86_64/unistd.h-o	2004-05-09 14:30:09.000000000 +0200
+++ linux-2.6.6-amd64/include/asm-x86_64/unistd.h	2004-05-19 11:27:00.000000000 +0200
@@ -98,7 +98,7 @@
 __SYSCALL(__NR_getpid, sys_getpid)
 
 #define __NR_sendfile                           40
-__SYSCALL(__NR_sendfile, sys_sendfile)
+__SYSCALL(__NR_sendfile, sys_sendfile64)
 #define __NR_socket                             41
 __SYSCALL(__NR_socket, sys_socket)
 #define __NR_connect                            42


       reply	other threads:[~2004-05-19  9:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1XuW9-3G0-23@gated-at.bofh.it>
2004-05-19  9:29 ` Andi Kleen [this message]
2004-05-19 10:38   ` sendfile -EOVERFLOW on AMD64 Jan Kasprzak
2004-05-19 10:58     ` Jakub Jelinek
2004-05-19 11:01       ` Jan Kasprzak
2004-05-19 11:22         ` Nathan Scott
2004-05-19 11:13       ` Nathan Scott
2004-05-19 12:44       ` Andi Kleen
2004-05-19 12:50         ` Jakub Jelinek
2004-05-19 12:57           ` Andi Kleen
2004-05-19 19:48       ` Jan Kasprzak
2004-05-19  8:44 Jan Kasprzak

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