Messages in this thread | | | Date | Wed, 19 May 2004 12:38:56 +0200 | From | Jan Kasprzak <> | Subject | Re: sendfile -EOVERFLOW on AMD64 |
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Andi Kleen wrote: : 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. : It partly helped, thanks. But there is still one more problem - it looks like sendfile() returns 32-bit value instead of 64-bit. My debug info looks like this:
sendfile(offset=0, count=4370640896) = -767073160, offset=3527894136
where I do
long val = sendfile(...); printf(...%ld..., val);
-Yenya
-- | Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> | | GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E | | http://www.fi.muni.cz/~kas/ Czech Linux Homepage: http://www.linux.cz/ | Any compiler or language that likes to hide things like memory allocations behind your back just isn't a good choice for a kernel. --Linus Torvalds - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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