From: "Bob Copeland" <me@bobcopeland.com>
To: "Andrey Vul" <andrey.vul@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Some hfsplus questions
Date: Fri, 19 Sep 2008 09:55:22 -0400 [thread overview]
Message-ID: <b6c5339f0809190655l5b7a1641l8febd816237cc2b9@mail.gmail.com> (raw)
In-Reply-To: <e38d12ff0809181855n5ca173a9x452540e3dcdc9a9a@mail.gmail.com>
On Thu, Sep 18, 2008 at 9:55 PM, Andrey Vul <andrey.vul@gmail.com> wrote:
> I have some questions about hfsplus:
> 1) Is there a / how do you patch the fs driver / mount options to
> allow starting from an offset (f.e. certain DMG files' HFS+ superblock
> start at 32768)?
In general you do this with losetup(8) instead of in the filesystem itself,
since the FS generally doesn't care about the block device.
e.g. losetup -o 32768 ....
> 2) Is there a / how do you patch the fs driver to allow for
> transparent zlib decompression of the HFS+ volume (inside the DMG
> file)?
No idea. A device mapper target (or fuse-over-loopback) could do that but
I don't know if there is something suitable already.
--
Bob Copeland %% www.bobcopeland.com
prev parent reply other threads:[~2008-09-19 13:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-19 1:55 Andrey Vul
2008-09-19 13:55 ` Bob Copeland [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b6c5339f0809190655l5b7a1641l8febd816237cc2b9@mail.gmail.com \
--to=me@bobcopeland.com \
--cc=andrey.vul@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®