Re: JFS libraries/headers for userspace?

[Dave Kleikamp <shaggy@austin.ibm.com>]

On Thu, 2005-04-28 at 14:41 +0900, aq wrote:
> On 4/28/05, Dave Kleikamp <shaggy@austin.ibm.com> wrote:
> > On Wed, 2005-04-27 at 19:00 +0900, aq wrote:
> > > hello,
> > >
> > > I am writing a program in userspace to extract information from a JFS
> > > filesystem. Unfortunately I cannot find which packages provides
> > > libraries/headers for JFS in userland. Could anybody please tell me
> > > where to look for it?
> > 
> > You are looking for jfsutils.  There isn't a good general-purpose
> > user-space library.  Part of jfsutils is a library, libfs.a, but it is
> > an ad-hoc collection of functions used by the utilities without any real
> > structure or documentation.
> 
> I am surprised: why there is no separate headers/libraries for JFS in
> userspace? Meanwhile, other FS like Reiser, XFS all have their.

Probably because I've never had a requirement to provide them.

> In this situation, I must extract needed libraries and headers from
> jfsutils, and then package them to include with my software. That is
> not so convenient, isnt it?

No, probably not.  If you're writing a GPL'ed program, you may want to
look at grub.  The file you want is fsys_jfs.c.

> So if possible, please release something like jfslibs-dev. People want
> to write software for JFS would appreciate it.

I don't have the time now to work on providing a package like this, but
if someone were to volunteer to put together a jfslibs-dev package, I
would certainly support it.

> Thank you,
> aq
-- 
David Kleikamp
IBM Linux Technology Center



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