linux-kernel - Re: revert "config FS_JOURNAL

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]

Message-ID: <4B2B33B2.9080900@ct.jp.nec.com>
Date:	Fri, 18 Dec 2009 16:48:02 +0900
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
CC:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: revert "config FS_JOURNAL_INFO"

Alexey Dobriyan wrote:
> On 12/18/09, Hiroshi Shimamoto <h-shimamoto@...jp.nec.com> wrote:
>> So we never allow to make memory usage small with providing an option
>> to remove unused area, right?
> 
> We certainly allow this if it results in zero loss in functionality.

Thanks for clarifying this topic.

If you don't mind could you please tell me what zero loss is?
I don't think I could get it exactly.

Is it OK that removing journal_info if !CONFIG_BLOCK?

> 
>> If I want to reduce memory usage by this way, should I keep
>> this kind of patches out of tree?
> 
> Certainly nobody can prohibit you from keeping patch out of tree.
> But if you want something mainlinable, moving ->journal_info
> to fs-specific data structures should do the trick. Or something.

Thanks for the advice, I'll look at this.

Thanks,
Hiroshi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/