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- Path: sparky!uunet!pipex!warwick!uknet!comlab.ox.ac.uk!mbeattie
- From: mbeattie@black.ox.ac.uk (Malcolm Beattie)
- Newsgroups: comp.os.linux
- Subject: Re: Can I make/mount a filesystem in a file?
- Message-ID: <1992Nov11.092905.14093@black.ox.ac.uk>
- Date: 11 Nov 92 09:29:05 GMT
- References: <1992Nov5.042647.17167@muddcs.claremont.edu> <1dfgbuINNrhi@uwm.edu> <1992Nov10.124856.629@gdr.bath.ac.uk>
- Organization: Oxford University Computing Service, 13 Banbury Rd, Oxford, U
- Lines: 38
- Originator: mbeattie@black
-
- In article <1992Nov10.124856.629@gdr.bath.ac.uk> maspab@gdr.bath.ac.uk (P A Broadbery) writes:
- >In the referenced article, rick@ee.uwm.edu (Rick Miller, Linux Device Registrar) writes:
- >>I think I remember this thread coming up before, but I don't remember if
- >>it was satisfactorily answered...
- >>
- >>Can I create a file (maybe with "dd if=/dev/zero of=filename count=$size")
- >>in which I could make a filesystem ("mkfs filename $size")
- >>and then mount that filesystem?
- >
- >Try using the user_dd patches in the ALPHA directory on tsx-11. They
- >allow you to create block devices which talk to a user level program,
- >and a supplied client does just what you ask.
- >
- >There is also a 'ramdisk' program which is a cool way of loading HJ's
- >{base,gcc,lib}disks without wasting a floppy (or uncompressing the
- >image). ramdisk in quotes 'cos it spends most its time swapped out...
-
- Aaargh. This reminds of a Sun seminar a month or two back when
- a couple of Sun engineers mentioned that one of the
- performance-increasing features of Solaris 2.0 was an ability
- to swap out to memory instead of disk...
- Oh for the days when disk was disk and memory was memory (or core, rather...)
- On the other hand, I think I'll stick with Linux.
-
- --Malcolm
-
- >
- >BTW, is anybody maintaining this program?
- >
- >Pete
- >pab@maths.bath.ac.uk
-
-
- --
- Malcolm Beattie <mbeattie@black.ox.ac.uk> | I'm not a kernel hacker
- Oxford University Computing Services | I'm a kernel hacker's mate
- 13 Banbury Road, Oxford, OX2 6NN (U.K.) | And I'm only hacking kernels
- Tel: +44 865 273232 Fax: +44 865 273275 | 'Cos the kernel hacker's late
-