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

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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