linux-ext4 - Re: [PATCH 1/9] ext4/003: Fix this test on 64K platform for dax config

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: <YOb0uklBx0NOLKG3@mit.edu>
Date:   Thu, 8 Jul 2021 08:51:06 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Ritesh Harjani <riteshh@...ux.ibm.com>
Cc:     fstests@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 1/9] ext4/003: Fix this test on 64K platform for dax
 config

On Thu, Jul 08, 2021 at 11:54:45AM +0530, Ritesh Harjani wrote:
> Yes, thanks for catching it. I think if make below change, i.e. scale cluster
> size, we should be good. Since this will make blocks_per_group = 4096 and
> clusters_per_group = 256. This is the condition, which I guess the original
> kernel patch fixed it for. So, we need not increase the filesystem size.
> 
> $MKFS_EXT4_PROG -F -b $BLOCK_SIZE -O bigalloc -C $((BLOCK_SIZE * 16))  -g 256 $SCRATCH_DEV 512m \
>

Agreed, it looks like that should work.

Cheers,

					- Ted