linux-ext4 - Re: Atomic file data replace API

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 28 Dec 2010 17:36:19 -0500
From:	Ric Wheeler <rwheeler@...hat.com>
To:	Olaf van der Spek <olafvdspek@...il.com>
CC:	"Ted Ts'o" <tytso@....edu>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-ext4@...r.kernel.org
Subject: Re: Atomic file data replace API

On 12/28/2010 05:25 PM, Olaf van der Spek wrote:
> On Tue, Dec 28, 2010 at 8:06 PM, Ric Wheeler<rwheeler@...hat.com>  wrote:
>> I really think that you have missed the point of this list.
>>
>> This list is for either developers (those who have downloaded the free code
>> and work on it) or others who want to move things forward concretely.
> Maybe.
>
>> Perfectly fine to contribute ideas, but if you are not a coder or do not
>> have the time or inclination to work on things yourself, you have to be
>> *really* convincing.
>>
>> We continually get bombarded with ideas, wish list items, etc so we are not
>> lacking in work to do.
> I understand.
>
>> If you cannot explain the use case, you will not get any buy in...
> I assumed that preserving file owner would be a normal feature and
> would not require additional explanation.
> One use case would be updating a file in a save way when you have
> write access to that file but not to anything else.
>
> Also, according to Ted, a lot of app devs get saving a file in a safe
> way wrong. So I'm asking what the recommended way to do it is. Is that
> strange?
>
> Olaf

I think that various developers have answered this for you several times.

As a suggestion, if you are not a kernel developer, show us specifically a bit 
of application code that demonstrates something that you want to have work 
differently.

Test it with power failure (buy an external e-sata or USB disk and pull power 
while running your app).

Ric

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html