From: Max Reitz <mreitz@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Kevin Wolf <kwolf@redhat.com>,
Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
Alberto Garcia <berto@igalia.com>,
Qemu-block <qemu-block@nongnu.org>,
QEMU Developers <qemu-devel@nongnu.org>,
Anton Nefedov <anton.nefedov@virtuozzo.com>,
Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [RFC 0/3] block/file-posix: Work around XFS bug
Date: Fri, 25 Oct 2019 16:16:23 +0200 [thread overview]
Message-ID: <19d50c64-c07a-3122-dea3-a5d97a2d35da@redhat.com> (raw)
In-Reply-To: <CAFEAcA8Y8fGKC3DkdM+wkU5Oe6ACZMtvWjpry9qFgPJc5KYjdA@mail.gmail.com>
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On 25.10.19 15:46, Peter Maydell wrote:
> On Fri, 25 Oct 2019 at 11:09, Max Reitz <mreitz@redhat.com> wrote:
>>
>> Hi,
>>
>> It seems to me that there is a bug in Linux’s XFS kernel driver, as
>> I’ve explained here:
>>
>> https://lists.nongnu.org/archive/html/qemu-block/2019-10/msg01429.html
>>
>> In combination with our commit c8bb23cbdbe32f, this may lead to guest
>> data corruption when using qcow2 images on XFS with aio=native.
>
> Have we reported that upstream to the xfs folks?
I’ve created an RH BZ here:
https://bugzilla.redhat.com/show_bug.cgi?id=1765547
So at least some XFS folks are aware of it (and I trust them to inform
the others as necessary :-)). (Eric Sandeen has been part of the
discussion for the last couple of days already.)
Max
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next prev parent reply other threads:[~2019-10-25 14:24 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-25 9:58 [RFC 0/3] block/file-posix: Work around XFS bug Max Reitz
2019-10-25 9:58 ` [RFC 1/3] block: Make wait/mark serialising requests public Max Reitz
2019-10-25 9:58 ` [RFC 2/3] block/file-posix: Detect XFS with CONFIG_FALLOCATE Max Reitz
2019-10-25 10:19 ` Kevin Wolf
2019-10-25 10:22 ` Max Reitz
2019-10-25 10:35 ` Kevin Wolf
2019-10-25 10:41 ` Max Reitz
2019-10-26 17:26 ` Nir Soffer
2019-10-25 9:58 ` [RFC 3/3] block/file-posix: Let post-EOF fallocate serialize Max Reitz
2019-10-26 17:28 ` Nir Soffer
2019-10-25 13:40 ` [RFC 0/3] block/file-posix: Work around XFS bug Vladimir Sementsov-Ogievskiy
2019-10-25 13:56 ` Vladimir Sementsov-Ogievskiy
2019-10-25 14:19 ` Max Reitz
2019-10-25 14:35 ` Kevin Wolf
2019-10-25 14:36 ` Vladimir Sementsov-Ogievskiy
2019-10-27 12:21 ` Stefan Hajnoczi
2019-11-04 14:03 ` Alberto Garcia
2019-11-04 14:25 ` Max Reitz
2019-11-04 15:12 ` Alberto Garcia
2019-11-04 15:14 ` Max Reitz
2019-11-04 15:49 ` Alberto Garcia
2019-11-04 16:07 ` Max Reitz
2019-10-25 13:46 ` Peter Maydell
2019-10-25 14:16 ` Max Reitz [this message]
2019-10-25 14:17 ` Peter Maydell
2019-10-25 14:21 ` Max Reitz
2019-10-25 14:56 ` Peter Maydell
2019-10-26 0:14 ` no-reply
2019-10-26 17:37 ` Nir Soffer
2019-10-26 17:52 ` Vladimir Sementsov-Ogievskiy
2019-10-28 8:56 ` Max Reitz
2019-10-27 12:35 ` Stefan Hajnoczi
2019-10-28 9:24 ` Max Reitz
2019-10-28 9:30 ` Max Reitz
2019-10-28 9:56 ` Max Reitz
2019-10-28 10:07 ` Vladimir Sementsov-Ogievskiy
2019-10-28 10:10 ` Max Reitz
2019-10-28 11:19 ` Vladimir Sementsov-Ogievskiy
2019-10-28 11:04 ` Kevin Wolf
2019-10-28 11:25 ` Vladimir Sementsov-Ogievskiy
2019-10-29 8:50 ` Max Reitz
2019-10-29 11:48 ` Vladimir Sementsov-Ogievskiy
2019-10-29 11:55 ` Max Reitz
2019-10-29 12:05 ` Vladimir Sementsov-Ogievskiy
2019-10-29 12:11 ` Max Reitz
2019-10-29 12:19 ` Vladimir Sementsov-Ogievskiy
2019-10-29 12:23 ` Max Reitz
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