linux-kernel - Re: BUG: aio/direct-io data corruption in 4.7

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Message-ID: <CA+res+SDaTwjkKQpnREP1dW8XmtQsk7NGLj=heYGbGeL3Dr-OQ@mail.gmail.com>
Date:   Tue, 6 Nov 2018 08:28:50 +0100
From:   Jack Wang <jack.wang.usish@...il.com>
To:     shapiro.gregory@...il.com
Cc:     hch@...radead.org, jnicklin@...ckbridge.com,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        gregory.shapiro@...inario.com
Subject: Re: BUG: aio/direct-io data corruption in 4.7

Gregory Shapiro <shapiro.gregory@...il.com> 于2018年11月5日周一 下午4:19写道：
>
> Hello, my name is Gregory Shapiro and I am a newbie on this list.
> I recently encountered data corruption as I got a kernel to
> acknowledge write ("io_getevents" system call with a correct number of
> bytes) but undergoing write to disk failed.
> After investigating the problem I found it is identical to issue found
> in direct-io.c mentioned the bellow thread.
> https://lore.kernel.org/lkml/20160921141539.GA17898@infradead.org/
> Is there a reason proposed patch didn't apply to the kernel?
> When can I expect it to be applied?
> Thanks,
>  Gregory

Hi Gregory,

Thanks for your info.
Have you tried with latest kernel other than 4.7, is the problem still there?

Could you share your test case?

Regards,
Jack Wang