Dear list members, I am a bit confused about the state of the zerocopy support in LINUX and will appreciate any info on that subject. In particular: Does NFS client use zerocopy? if yes how? From what version Does NFS Server use zerocopy? If yes, how? From what version Does Sendfile system call use zerocopy? I have seen that this is maybe the only place it is really in use. Does zerocopy for LINUX mean only support for the transmit side for "scatter/gather + checksum" capable NIC cards? Can someone point me to documentation on what has been changed in sockets in this regards? What about the receive side, there are smart chips that can split NFS headers from payloads for example, so payload theoretically can go directly into file system buffers if they pre assigned and the Ethernet driver knows when to use them? I have seen interesting support on FreeBSD for those next generation hardware and I am wondering what the LINUX position on it is. Thanks so much in advanced. Cheers, Ephi -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
