linux-ext4 - Re: [PATCH v2] ext4: fix reserved space counter leakage

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Message-Id: <163176124738.2478144.17001941380733337.b4-ty@mit.edu>
Date:   Wed, 15 Sep 2021 23:01:12 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Jeffle Xu <jefflexu@...ux.alibaba.com>, adilger.kernel@...ger.ca
Cc:     "Theodore Ts'o" <tytso@....edu>, joseph.qi@...ux.alibaba.com,
        linux-ext4@...r.kernel.org, hsiangkao@...ux.alibaba.com,
        enwlinux@...il.com
Subject: Re: [PATCH v2] ext4: fix reserved space counter leakage

On Mon, 23 Aug 2021 14:13:58 +0800, Jeffle Xu wrote:
> When ext4_insert_delayed block receives and recovers from an error from
> ext4_es_insert_delayed_block(), e.g., ENOMEM, it does not release the
> space it has reserved for that block insertion as it should. One effect
> of this bug is that s_dirtyclusters_counter is not decremented and
> remains incorrectly elevated until the file system has been unmounted.
> This can result in premature ENOSPC returns and apparent loss of free
> space.
> 
> [...]

Applied, thanks!

[1/1] ext4: fix reserved space counter leakage
      commit: 8ec5146a46609a89658e5dc9bc40b70ce70ef43b

Best regards,
-- 
Theodore Ts'o <tytso@....edu>