linux-ext4 - Re: [RFC PATCH 3/5] ext4: add operations on delayed extent tree

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] [day] [month] [year] [list]

Date:	Fri, 9 Sep 2011 10:46:57 +0800
From:	Yongqiang Yang <xiaoqiangnk@...il.com>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org, achender@...ux.vnet.ibm.com,
	adityakali@...gle.com, tytso@....edu
Subject: Re: [RFC PATCH 3/5] ext4: add operations on delayed extent tree

On Fri, Sep 9, 2011 at 2:58 AM, Jan Kara <jack@...e.cz> wrote:
> On Tue 30-08-11 17:00:19, Yongqiang Yang wrote:
>> This patch adds operations on a delayed extent tree.
>>
>> Signed-off-by; Yongqiang Yang <xiaoqiangnk@...il.com>
>>
>> Signed-off-by: Yongqiang Yang <xiaoqiangnk@...il.com>
>  I don't have time to do a full review of the series now but I definitely
> think you should use RB tree to track extents. For big files written in
> random manner we will just burn lots of CPU cycles needlessly...
BTW:  Do we need to use RB tree for preallocations as well?  I
suspects that preallocations has same problem with delayed extent
list.

Yongqiang.
>
>                                                                Honza
> --
> Jan Kara <jack@...e.cz>
> SUSE Labs, CR
>



-- 
Best Wishes
Yongqiang Yang
--
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