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Date:   Wed, 23 Jun 2021 09:13:42 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Wang Jianchao <jianchao.wan9@...il.com>
Cc:     Andreas Dilger <adilger.kernel@...ger.ca>,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        lishujin@...ishou.com
Subject: Re: [PATCH V2 1/7] ext4: remove the 'group' parameter of
 ext4_trim_extent

Hi Jianchao, 

FYI, this patch series has confliects with these patches, which landed
in 5.13-rc1:

196e402adf2e - ext4: improve cr 0 / cr 1 group scanning
4b68f6df1059 - ext4: add MB_NUM_ORDERS macro
a6c75eaf1103 - ext4: add mballoc stats proc file
67d251860461 - ext4: drop s_mb_bal_lock and convert protected fields to atomic

The conflicts were relatively minor, but the obvious fix-ups resulted
in a large number of crashes caused by various stress tests, such as
generic/068 and generic/204.  I'm currently investigating to see what
I might have messed up when I tried applying these patches, as well as
running your patch set applied against 5.12 to make sure the problems
weren't introduced by the patch set itself.

					- Ted

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