Date: Sat, 7 Jun 1997 11:19:35 -0700 (PDT) From: Tom Samplonius <tom@sdf.com> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: FreeBSD hackers <freebsd-hackers@FreeBSD.ORG>, Scott Lystig Fritchie <fritchie@MR.Net> Subject: Re: One reason to mmap() block devices Message-ID: <Pine.BSF.3.95q.970607111601.14508A-100000@misery.sdf.com> In-Reply-To: <19970607141732.ID18946@uriah.heep.sax.de>
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On Sat, 7 Jun 1997, J Wunsch wrote: > As Tom Samplonius wrote: > > > Why not just mmap() the disk character device instead of the disk block > > device? > > > > The block device is nearly useless for everything except newfs. > > You mean mount(8), do you? Newfs also requires the raw device. You are right. I got this backwards. In fact, under 2.2+, you are likely to hang your system if you newsfs on the block device. > -- > cheers, J"org > > joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE > Never trust an operating system you don't have sources for. ;-) > > Tom
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