linux-kernel - Re: disk revalidation updates and OOM

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Message-ID: <071c4f38-df7b-b094-1bd0-436fcdb05767@windriver.com>
Date:   Sun, 8 Mar 2020 19:00:22 +0800
From:   He Zhe <zhe.he@...driver.com>
To:     Christoph Hellwig <hch@....de>, Jan Kara <jack@...e.cz>
Cc:     Jens Axboe <axboe@...nel.dk>, viro@...iv.linux.org.uk,
        bvanassche@....org, keith.busch@...el.com, tglx@...utronix.de,
        mwilck@...e.com, yuyufen@...wei.com, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: disk revalidation updates and OOM



On 3/7/20 10:29 PM, Christoph Hellwig wrote:
> So I looked into this, and if it was just the uevent this
> should have been fixed in:
>
> "block: don't send uevent for empty disk when not invalidating"
>
> from Eric Biggers in December.  Does the problem still occur with that
> patch applied?

Yes, it occurs with that patch. The patch that introduces the issue and the one
you mentioned above both went in in v5.5-rc1. I found this issue in v5.5
release.

Thanks,
Zhe