linux-ext4 - Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies

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Message-ID: <51546F32.7000609@redhat.com>
Date:	Thu, 28 Mar 2013 11:26:26 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
CC:	Bernd Schubert <bernd.schubert@...m.fraunhofer.de>,
	Anand Avati <anand.avati@...il.com>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	linux-nfs@...r.kernel.org, linux-ext4@...r.kernel.org,
	gluster-devel@...gnu.org
Subject: Re: [Gluster-devel] regressions due to 64-bit ext4 directory cookies

On 3/28/13 9:07 AM, Theodore Ts'o wrote:
> On Tue, Mar 26, 2013 at 10:48:14AM -0500, Eric Sandeen wrote:
>>> We don't have reached a conclusion so far, do we? What about the
>>> ioctl approach, but a bit differently? Would it work to specify the
>>> allowed upper bits for ext4 (for example 16 additional bit) and the
>>> remaining part for gluster? One of the mails had the calculation
>>> formula:
>>
>> I did throw together an ioctl patch last week, but I think Anand has a new
>> approach he's trying out which won't require ext4 code changes.  I'll let
>> him reply when he has a moment.  :)
> 
> Any update about whether Gluster can address this without needing the
> ioctl patch?  Or should we push the ioctl patch into ext4 for the next
> merge window?

I went ahead & sent the ioctl patches to the ext4 list; they are lightly
tested, and not tested at all w/ gluster AFAIK.  Wanted to get them
out just in case we decide we want them.

Thanks,
-Eric

> Thanks,
> 
> 						- Ted
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