GSoC project idea: HFS Plus journal

GSoC project idea: HFS Plus journal

[Naohiro Aota]

Hi,

I see some of you are talking about GSoC participation. I'm also
thinking of it.

I have MacBookPro booting both MacOSX and Linux. Now Linux can write the
filesystem safely only when HFS Plus journal is off. My life would be
more better if Linux have complete HFS Plus filesystem read/write
support.

So I'm thinking of implementing HFS Plus Journal support on Linux. I've
searched and found a technote about HFS Plus format describe its Journal
[1].

How do you think about it?

Regards,
Naohiro

[1] http://developer.apple.com/library/mac/technotes/tn/tn1150.html#Journal
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GSoC project idea: HFS Plus journal

[Greg KH]

On Thu, Mar 17, 2011 at 06:57:27PM +0900, Naohiro Aota wrote:
> Hi,
> 
> I see some of you are talking about GSoC participation. I'm also
> thinking of it.
> 
> I have MacBookPro booting both MacOSX and Linux. Now Linux can write the
> filesystem safely only when HFS Plus journal is off. My life would be
> more better if Linux have complete HFS Plus filesystem read/write
> support.
> 
> So I'm thinking of implementing HFS Plus Journal support on Linux. I've
> searched and found a technote about HFS Plus format describe its Journal
> [1].
> 
> How do you think about it?

Looks like a nice self-contained, project proposal, good luck!

greg k-h

GSoC project idea: HFS Plus journal

[Naohiro Aota]

Greg KH <greg@kroah.com> writes:

> On Thu, Mar 17, 2011 at 06:57:27PM +0900, Naohiro Aota wrote:
>> Hi,
>> 
>> I see some of you are talking about GSoC participation. I'm also
>> thinking of it.
>> 
>> I have MacBookPro booting both MacOSX and Linux. Now Linux can write the
>> filesystem safely only when HFS Plus journal is off. My life would be
>> more better if Linux have complete HFS Plus filesystem read/write
>> support.
>> 
>> So I'm thinking of implementing HFS Plus Journal support on Linux. I've
>> searched and found a technote about HFS Plus format describe its Journal
>> [1].
>> 
>> How do you think about it?
>
> Looks like a nice self-contained, project proposal, good luck!

Thanks. I need someone to mentor me :) How can I find him/her? Maybe I
should post developing mailing list. But I don't find HFS+ developing
list :(

Regards,
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GSoC project idea: HFS Plus journal

[Greg KH]

On Mon, Mar 21, 2011 at 02:07:40AM +0900, Naohiro Aota wrote:
> Greg KH <greg@kroah.com> writes:
> 
> > On Thu, Mar 17, 2011 at 06:57:27PM +0900, Naohiro Aota wrote:
> >> Hi,
> >> 
> >> I see some of you are talking about GSoC participation. I'm also
> >> thinking of it.
> >> 
> >> I have MacBookPro booting both MacOSX and Linux. Now Linux can write the
> >> filesystem safely only when HFS Plus journal is off. My life would be
> >> more better if Linux have complete HFS Plus filesystem read/write
> >> support.
> >> 
> >> So I'm thinking of implementing HFS Plus Journal support on Linux. I've
> >> searched and found a technote about HFS Plus format describe its Journal
> >> [1].
> >> 
> >> How do you think about it?
> >
> > Looks like a nice self-contained, project proposal, good luck!
> 
> Thanks. I need someone to mentor me :) How can I find him/her? Maybe I
> should post developing mailing list. But I don't find HFS+ developing
> list :(

You need to propose projects for GSoC, the mentor matching comes
afterward.  Please go read the procedures for how the program works.

best of luck,

greg k-h

GSoC project idea: HFS Plus journal

[Greg Freemyer]

On Sun, Mar 20, 2011 at 1:07 PM, Naohiro Aota <naota@elisp.net> wrote:
> Greg KH <greg@kroah.com> writes:
>
>> On Thu, Mar 17, 2011 at 06:57:27PM +0900, Naohiro Aota wrote:
>>> Hi,
>>>
>>> I see some of you are talking about GSoC participation. I'm also
>>> thinking of it.
>>>
>>> I have MacBookPro booting both MacOSX and Linux. Now Linux can write the
>>> filesystem safely only when HFS Plus journal is off. My life would be
>>> more better if Linux have complete HFS Plus filesystem read/write
>>> support.
>>>
>>> So I'm thinking of implementing HFS Plus Journal support on Linux. I've
>>> searched and found a technote about HFS Plus format describe its Journal
>>> [1].
>>>
>>> How do you think about it?
>>
>> Looks like a nice self-contained, project proposal, good luck!
>
> Thanks. I need someone to mentor me :) How can I find him/her? Maybe I
> should post developing mailing list. But I don't find HFS+ developing
> list :(
>
> Regards,

You can try linux-fsdevel at vger.kernel.org,

That is where generic file system and vfs discussions take place.  I
assume all  the major file system developers subscribe to that.

Greg (not KH)

GSoC project idea: HFS Plus journal

[Rajat Sharma]

On Mon, Mar 21, 2011 at 2:15 AM, Greg Freemyer <greg.freemyer@gmail.com> wrote:
> On Sun, Mar 20, 2011 at 1:07 PM, Naohiro Aota <naota@elisp.net> wrote:
>> Greg KH <greg@kroah.com> writes:
>>
>>> On Thu, Mar 17, 2011 at 06:57:27PM +0900, Naohiro Aota wrote:
>>>> Hi,
>>>>
>>>> I see some of you are talking about GSoC participation. I'm also
>>>> thinking of it.
>>>>
>>>> I have MacBookPro booting both MacOSX and Linux. Now Linux can write the
>>>> filesystem safely only when HFS Plus journal is off. My life would be
>>>> more better if Linux have complete HFS Plus filesystem read/write
>>>> support.
>>>>
>>>> So I'm thinking of implementing HFS Plus Journal support on Linux. I've
>>>> searched and found a technote about HFS Plus format describe its Journal
>>>> [1].
>>>>
>>>> How do you think about it?
>>>
>>> Looks like a nice self-contained, project proposal, good luck!
>>
>> Thanks. I need someone to mentor me :) How can I find him/her? Maybe I
>> should post developing mailing list. But I don't find HFS+ developing
>> list :(
>>
>> Regards,
>
> You can try linux-fsdevel at vger.kernel.org,
>
> That is where generic file system and vfs discussions take place. ?I
> assume all ?the major file system developers subscribe to that.
>
> Greg (not KH)
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>

The code files for HFS mention following copyright:

Copyright (C) 1995-1997  Paul H. Hargrove
(C) 2003 Ardis Technologies <roman@ardistech.com>

probably you should talk to Paul and take a lock for your development :)

Rajat

[RFC][GSoC] HFSPlus Journaling proposal

[Naohiro Aota]

Hello,

I wrote HFSPlus journaling proposal, could anyone take a look at on this
and give me some advice?

http://www.google-melange.com/gsoc/proposal/review/google/gsoc2011/naota/1

>From proposal abstract:

 This project aim to implement HFSPlus journal feature on Linux
 kernel. HFSPlus is a filesystem mostly on MacOS. Currently we have
 HFSPlus write access only if the journal feature is disabled. Every
 year, Apple deploy new notebook computers, which has larger power off
 risk than desktop ones, so it is not good to disable the feature. With
 journal supported, life with Linux on dual-booting Mac will be more
 easy and fun.

Regards,