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SubjectRe: [PATCH]tar filesystem for 2.6.10-rc1-mm3(easily access tar file)
On Sun, 07 Nov 2004 17:28:38 +0900 (JST), Hirokazu Takahashi
<taka@valinux.co.jp> wrote:
> Hi, Andyliu,
>
> Amazing that you continue our work!
> Where did you get the code?
Thanks for your code, I got it form your web but i cannot connect to it now.

>
> Several years ago, we - Kazuto and I - made the filesystem
> just for magazine readers. We designed it as simple as we could,
> as it was a sample filesystem to explain about the design and the
> implementation of linux filesystems.
>
I am a newbie.so your simple tar filesystem is good for me to learn
and do something like make it run on 2.6.10-rc1-mm3.

> I guess there may remain many things to do about it:
> - To support tar.gz and tar.bz2. I guess this should be done in
> a compression device, which might be md layers or a loop device
> itself.
> - It may be better if you can make tarent objects free-able
> while the filesystem is mounted.
> - It may be possible to implement append mode.
> A new file can be appended to the filesystem.
>
> We're expecting you to do a good job.
>
I am thinking how to make it support tar.gz type file.I will try my best.
>
>
> > oh,sorry.it's a readonly filesystem now.i will try to make it writeable.
> > but i use tar file as loop device.
> >
> > by the way,if we mount an iso file it's a readonly filesystem too.
> > i think maybe we should do something on the loop device to support
> > this kind of write.
> >
> > On Sun, 07 Nov 2004 07:13:51 +0000, James Tabor
> > <jimtabor@adsl-64-217-116-74.dsl.hstntx.swbell.net> wrote:
> > > andyliu wrote:
> > >
> > >
> > > > hi
> > > >
> > > > let's think about the way we access the file which contained in a tar file
> > > > may we can untar the whole thing and we find the file we want to access
> > > > or we can use the t option with tar to list all the files in the tar
> > > > and then untar the only one file we want to access.
> > > >
> > > > but with the help of the tarfs,we can mount a tar file to some dir and access
> > > > it easily and quickly.it's like the tarfs in mc.
> > > >
> > > > just mount -t tarfs tarfile.tar /dir/to/mnt -o loop
> > > > then access the files easily.
> > > >
> > > > it was writen by Kazuto Miyoshi (kaz@earth.email.ne.jp) Hirokazu
> > > > Takahashi (h-takaha@mub.biglobe.ne.jp) for linux 2.4.0
>
> This address is no longer usable.
>
>
>
> > > > and i make it work for linux 2.6.0. now a patch for linux 2.6.10-rc1-mm3
> > > >
> > > > the patch is to big to send it as plain text, so i can only send it as
> > > > an attachment
> > > >
> > > > thanks
> > > >
> > > Wow! How cool is this! Can you copy files into a tarfs subsystem? Just like
> > > we do with iso's?
> > > Cool,
> > > James
>
> Thanks,
> Hirokazu Takahashi.
>
>


--
Yours andyliu
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