Re: USFS (User Space File System)

1999-07-20 Thread Matthew Dillon
:On Mon, 19 Jul 1999, John Milford wrote: : :> Unless I am misunderstanding you, mfs does what you are :> describing. : :I'm pretty sure you're misunderstanding him. MFS is not even close. : :ron You know, none of us are being clear :-) The basic problem is that MFS is not a filesyst

Re: USFS (User Space File System)

1999-07-20 Thread Ronald G. Minnich
On Mon, 19 Jul 1999, John Milford wrote: > Unless I am misunderstanding you, mfs does what you are > describing. I'm pretty sure you're misunderstanding him. MFS is not even close. ron To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of t

Re: USFS (User Space File System)

1999-07-20 Thread Matthew Dillon
:On Mon, 19 Jul 1999, John Milford wrote: : :> Unless I am misunderstanding you, mfs does what you are :> describing. : :I'm pretty sure you're misunderstanding him. MFS is not even close. : :ron You know, none of us are being clear :-) The basic problem is that MFS is not a filesys

Re: USFS (User Space File System)

1999-07-20 Thread Ronald G. Minnich
On Mon, 19 Jul 1999, John Milford wrote: > Unless I am misunderstanding you, mfs does what you are > describing. I'm pretty sure you're misunderstanding him. MFS is not even close. ron To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the

Re: USFS (User Space File System)

1999-07-20 Thread John Milford
Matthew Dillon wrote: > > This seems like an unnecessary complication to me. It would be > easier to simply make it a device that you can open(), read(), and > write() as I first suggested. > > MFS is not a good template for any of this. MFS is very, very simple > and the p

Re: USFS (User Space File System)

1999-07-20 Thread John Milford
Matthew Dillon <[EMAIL PROTECTED]> wrote: > > This seems like an unnecessary complication to me. It would be > easier to simply make it a device that you can open(), read(), and > write() as I first suggested. > > MFS is not a good template for any of this. MFS is very, very si

Re: USFS (User Space File System)

1999-07-20 Thread Matthew Dillon
: :Matthew Dillon wrote: : :> :> No, MFS runs in supervisor mode. That mfs process that you see hanging :> there is just placemarking the VM space. :> :> -Matt :> : : Well, I think there is a little more to it than that. I :believe it does

Re: USFS (User Space File System)

1999-07-20 Thread John Milford
Matthew Dillon wrote: > > No, MFS runs in supervisor mode. That mfs process that you see hanging > there is just placemarking the VM space. > > -Matt > Well, I think there is a little more to it than that. I believe it does run in supe

Re: USFS (User Space File System)

1999-07-20 Thread Matthew Dillon
: :Matthew Dillon <[EMAIL PROTECTED]> wrote: : :> :> No, MFS runs in supervisor mode. That mfs process that you see hanging :> there is just placemarking the VM space. :> :> -Matt :> : : Well, I think there is a little more to it than that.

Re: USFS (User Space File System)

1999-07-20 Thread John Milford
Matthew Dillon <[EMAIL PROTECTED]> wrote: > > No, MFS runs in supervisor mode. That mfs process that you see hanging > there is just placemarking the VM space. > > -Matt > Well, I think there is a little more to it than that. I believe

Re: USFS (User Space File System)

1999-07-20 Thread Matthew Dillon
: :David, : : Unless I am misunderstanding you, mfs does what you are :describing. : : --John No, MFS runs in supervisor mode. That mfs process that you see hanging there is just placemarking the VM space. -Matt To Unsub

Re: USFS (User Space File System)

1999-07-20 Thread Matthew Dillon
: :David, : : Unless I am misunderstanding you, mfs does what you are :describing. : : --John No, MFS runs in supervisor mode. That mfs process that you see hanging there is just placemarking the VM space. -Matt To Unsu

Re: USFS (User Space File System)

1999-07-19 Thread John Milford
David, Unless I am misunderstanding you, mfs does what you are describing. --John "David E. Cross" wrote: > I am looking at a project that will require a user based process to interact > with the system as if it were a filesystem. The traditional way I have seen > t

Re: USFS (User Space File System)

1999-07-19 Thread John Milford
David, Unless I am misunderstanding you, mfs does what you are describing. --John "David E. Cross" <[EMAIL PROTECTED]> wrote: > I am looking at a project that will require a user based process to interact > with the system as if it were a filesystem. The traditional

Re: USFS (User Space File System)

1999-07-19 Thread Ronald G. Minnich
On Mon, 19 Jul 1999, Ronald G. Minnich wrote: > Great idea. I liked it so much I bought the company -- er, I mean, I wrote > something like this. It's private name spaces for Linux and FreeBSD (among > others) and it allows you to mount things from remote file servers into > your name space. I

Re: USFS (User Space File System)

1999-07-19 Thread Ronald G. Minnich
On Sun, 18 Jul 1999, Boris Popov wrote: > On Sat, 17 Jul 1999, David E. Cross wrote: > > I am looking at a project that will require a user based process to interact > > with the system as if it were a filesystem. The traditional way I have > > seen > > That type of file system is very

Re: USFS (User Space File System)

1999-07-19 Thread Ronald G. Minnich
On Mon, 19 Jul 1999, Ronald G. Minnich wrote: > Great idea. I liked it so much I bought the company -- er, I mean, I wrote > something like this. It's private name spaces for Linux and FreeBSD (among > others) and it allows you to mount things from remote file servers into > your name space. I

Re: USFS (User Space File System)

1999-07-19 Thread Ronald G. Minnich
On Sun, 18 Jul 1999, Boris Popov wrote: > On Sat, 17 Jul 1999, David E. Cross wrote: > > I am looking at a project that will require a user based process to interact > > with the system as if it were a filesystem. The traditional way I have seen > > That type of file system is very use

Re: USFS (User Space File System)

1999-07-19 Thread Matthew Dillon
: :Portal FS did give me a couple of starting points.. It looks interesting. :Just for my own clarification... how would this be different than NFS :(specifically local NFS)? : :-- :David Cross | email: cro...@cs.rpi.edu :Systems Administrator/Research Programmer | We

Re: USFS (User Space File System)

1999-07-18 Thread Matthew Dillon
: :Portal FS did give me a couple of starting points.. It looks interesting. :Just for my own clarification... how would this be different than NFS :(specifically local NFS)? : :-- :David Cross | email: [EMAIL PROTECTED] :Systems Administrator/Research Programmer | W

Re: USFS (User Space File System)

1999-07-18 Thread David E. Cross
> : > :Look into the portal filesystem. This is what you want :) > : > : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ > : gr...@freebsd.org _ __ ___ | _ ) __| \ > > Actually, it isn't quite. All the portal filesystem will allow you > to do is pass back

Re: USFS (User Space File System)

1999-07-18 Thread David E. Cross
> : > :Look into the portal filesystem. This is what you want :) > : > : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ > : [EMAIL PROTECTED] _ __ ___ | _ ) __| \ > > Actually, it isn't quite. All the portal filesystem will allow you > to do is pass back

Re: USFS (User Space File System)

1999-07-17 Thread Kris Kennaway
On Sat, 17 Jul 1999, David E. Cross wrote: > I have a number of questions on more specific ideas (like caching, inode/vnode > interaction, etc). But I am just feeling arround for what people think > about this. Any ideas/comments? John Heidemann's papers on file system stacking layers refer to

Re: USFS (User Space File System)

1999-07-17 Thread Boris Popov
On Sat, 17 Jul 1999, David E. Cross wrote: > I am looking at a project that will require a user based process to interact > with the system as if it were a filesystem. The traditional way I have seen [...] > I have a number of questions on more specific ideas (like caching, inode/vnode > interac

Re: USFS (User Space File System)

1999-07-17 Thread Kris Kennaway
On Sat, 17 Jul 1999, David E. Cross wrote: > I have a number of questions on more specific ideas (like caching, inode/vnode > interaction, etc). But I am just feeling arround for what people think > about this. Any ideas/comments? John Heidemann's papers on file system stacking layers refer to

Re: USFS (User Space File System)

1999-07-17 Thread Matthew Dillon
:> : :> : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ :> : gr...@freebsd.org _ __ ___ | _ ) __| \ :> :> Actually, it isn't quite. All the portal filesystem will allow you :> to do is pass back a descriptor. It does not allow you to simulate :> a f

Re: USFS (User Space File System)

1999-07-17 Thread Brian F. Feldman
On Sat, 17 Jul 1999, Matthew Dillon wrote: > : > :Look into the portal filesystem. This is what you want :) > : > : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ > : gr...@freebsd.org _ __ ___ | _ ) __| \ > > Actually, it isn't quite. All the portal filesys

Re: USFS (User Space File System)

1999-07-17 Thread Boris Popov
On Sat, 17 Jul 1999, David E. Cross wrote: > I am looking at a project that will require a user based process to interact > with the system as if it were a filesystem. The traditional way I have seen [...] > I have a number of questions on more specific ideas (like caching, inode/vnode > intera

Re: USFS (User Space File System)

1999-07-17 Thread Matthew Dillon
:> : :> : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ :> : [EMAIL PROTECTED] _ __ ___ | _ ) __| \ :> :> Actually, it isn't quite. All the portal filesystem will allow you :> to do is pass back a descriptor. It does not allow you to simulate :> a

Re: USFS (User Space File System)

1999-07-17 Thread Brian F. Feldman
On Sat, 17 Jul 1999, Matthew Dillon wrote: > : > :Look into the portal filesystem. This is what you want :) > : > : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ > : [EMAIL PROTECTED] _ __ ___ | _ ) __| \ > > Actually, it isn't quite. All the portal filesy

Re: USFS (User Space File System)

1999-07-17 Thread Matthew Dillon
: :Look into the portal filesystem. This is what you want :) : : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ : gr...@freebsd.org _ __ ___ | _ ) __| \ Actually, it isn't quite. All the portal filesystem will allow you to do is pass back a descriptor. I

Re: USFS (User Space File System)

1999-07-17 Thread Brian F. Feldman
Look into the portal filesystem. This is what you want :) Brian Fundakowski Feldman _ __ ___ ___ ___ ___ gr...@freebsd.org _ __ ___ | _ ) __| \ FreeBSD: The Power to Serve!_ __ | _ \._ \ |) | http://www.FreeBSD.org/ _ |___/___/__

Re: USFS (User Space File System)

1999-07-17 Thread Matthew Dillon
: :Look into the portal filesystem. This is what you want :) : : Brian Fundakowski Feldman _ __ ___ ___ ___ ___ : [EMAIL PROTECTED] _ __ ___ | _ ) __| \ Actually, it isn't quite. All the portal filesystem will allow you to do is pass back a descriptor.

Re: USFS (User Space File System)

1999-07-17 Thread Brian F. Feldman
Look into the portal filesystem. This is what you want :) Brian Fundakowski Feldman _ __ ___ ___ ___ ___ [EMAIL PROTECTED] _ __ ___ | _ ) __| \ FreeBSD: The Power to Serve!_ __ | _ \._ \ |) | http://www.FreeBSD.org/ _ |___/___/_

USFS (User Space File System)

1999-07-17 Thread David E. Cross
I am looking at a project that will require a user based process to interact with the system as if it were a filesystem. The traditional way I have seen this done is as the system NFS mounting itself (ala AMD). I would really like a more clean approach to this. What I am interested in is a 'Use

USFS (User Space File System)

1999-07-17 Thread David E. Cross
I am looking at a project that will require a user based process to interact with the system as if it were a filesystem. The traditional way I have seen this done is as the system NFS mounting itself (ala AMD). I would really like a more clean approach to this. What I am interested in is a 'Us