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Date:   Fri, 17 Jul 2020 08:02:36 +0200
From:   Sedat Dilek <>
To:     Eric Biggers <>
Subject: Re: [PATCH v2] fs/direct-io: fix one-time init of ->s_dio_done_wq

On Fri, Jul 17, 2020 at 7:08 AM Eric Biggers <> wrote:
> - The preliminary checks for sb->s_dio_done_wq are a data race, since
>   they do a plain load of a concurrently modified variable.  According
>   to the C standard, this undefined behavior.  In practice, the kernel
>   does sometimes makes assumptions about data races might be okay in

Some small typos:
...this *is* undefined behavior...
...does sometimes make* assumptions about...

- Sedat -

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