linux-ext4 - Re: Ext4 devel interlock meeting minutes (April 23, 2007)

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:	Mon, 30 Apr 2007 16:36:13 +0530
From:	"Aneesh Kumar" <aneesh.kumar@...il.com>
To:	"Avantika Mathur" <mathur@...ux.vnet.ibm.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: Ext4 devel interlock meeting minutes (April 23, 2007)

On 4/24/07, Avantika Mathur <mathur@...ux.vnet.ibm.com> wrote:
> Ext4 Developer Interlock Call: 04/23/2007 Meeting Minutes
>
> TESTING
> - extents testing
>     - Discussed methods for testing extents on highly fragmented
> filesystems.
>     - Jose will look into possible tests, including perhaps using the
> 'aged' option in FFSB
>     - Ted suggested creating a mountoption that creates a bad block
> allocator which it jumps to a new block group every 8 blocks.  This
> would force a very large number of extents, and may be a good test for
> extents.


What i am doing for creating a large number of extents is

dd if=/dev/zero of=myfile count=10
seek=20
while [ 1 ]; do dd if=/dev/zero of=myfile count=10 seek=$seek;
seek=`expr $seek + 20`; done


-aneesh
-
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