Date: Sat, 18 Nov 2000 16:31:11 -0800 (PST) From: Jin Guojun (DSD staff) <jin@george.lbl.gov> To: bmilekic@dsuper.net Cc: hackers@FreeBSD.ORG, jin@george.lbl.gov Subject: sendfile for raw disk (was: zero copy TCP) Message-ID: <200011190031.eAJ0VBo29408@portnoy.lbl.gov>
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> > Both, but I may do either way, depending on which way is easier. > > If we can directly DMA from a disk drive to a NIC, that will be great. > > If the current implementation requires preloaded buffer, that works. > > So, where can I look for the patch? > > > > Please see sendfile(2). It seems that sendfile(2) can read only a regular file. I wiould like to modify it to send a raw disk block. Before going for it, I would like to know what was the reason for not doing this, and what may be the issus for doing this? -Jin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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