Re: sendfile -EOVERFLOW on AMD64

[Andi Kleen]

Jan Kasprzak <kas@xxxxxxxxxxxxxxxxxxx> 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

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