Date: Thu, 22 Apr 1999 22:35:46 -0400 (EDT) From: Luoqi Chen <luoqi@watermarkgroup.com> To: freebsd-hackers@FreeBSD.ORG, zzhang@cs.binghamton.edu Subject: Re: Source code dealing with raw I/O Message-ID: <199904230235.WAA09957@lor.watermarkgroup.com>
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> I am interested to know where in source code the raw I/O is handled. I
> guess that when you write something like open("/dev/r<foo>",flag) instead
> of open("/dev/<foo>",flag), raw I/O happens. Can anyone tell me which
> soure code files or routines handle RAW I/O? How to get the dev argument
> to a device read() routine like wdopen() in wd.c?
>
> Any help is appreciated.
>
> --------------------------------------------------
> Zhihui Zhang. Please visit http://www.freebsd.org
> --------------------------------------------------
>
kern/kern_physio.c
-lq
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