linux-kernel - Re: [PATCH] eCryptfs: infinite loop bug

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Date:	Thu, 19 Jan 2012 08:03:57 -0600
From:	Dustin Kirkland <dustin.kirkland@...zang.com>
To:	Tyler Hicks <tyhicks@...onical.com>
Cc:	Li Wang <liwang@...t.edu.cn>, ecryptfs@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Cong Wang <xiyou.wangcong@...il.com>
Subject: Re: [PATCH] eCryptfs: infinite loop bug

On Thu, Jan 19, 2012 at 2:48 AM, Tyler Hicks <tyhicks@...onical.com> wrote:
> On 2012-01-19 09:44:36, Li Wang wrote:
>>
>>
>> Hi,
>>   Thanks Cong Wang for the kind reminding regarding the patch format.
>
> The commit message still needs some work. But there's no need to drag
> out the process for a fix like this, so I'll rewrite the commit message
> and reply to this email with the cleaned up version. Let me know if you
> have any problems with that. You'll still be credited as the author.
>
> For future kernel patches, please see "15) The canonical patch format"
> of Documentation/SubmittingPatches and "5.4: PATCH FORMATTING AND
> CHANGELOGS" of Documentation/development-process/5.Posting for more
> information on how the commit message should be written.
>
> Also, your email came across in base64 encoding. I'm not sure of the
> reason for that or how to fix it.
>
>>   We did notice that the total_remaining_zeroes need be revised as well,
>> and the start_offset_in_page, num_bytes need not be revised (always smaller
>
> Yes, size_t will work fine, as Linus confirmed.
>
>> than PAGE_CACHE_SIZE, even the huge page size is supported,
>> the 4G page size is not present in the current world?)
>> but we forget to include the revision for total_remaining_zeroes, so here comes the patch.
>
> I really appreciate the patch - thanks!

Tyler,

Is this the problem behind our long standing
tor-download-on-ecryptfs-hangs-cpu bug?
 * https://bugs.launchpad.net/ecryptfs/+bug/431975

-- 
:-Dustin

Dustin Kirkland
Chief Architect
Gazzang, Inc.
www.gazzang.com
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