From: Christoph Hellwig <hch@lst.de>
To: Ofir Gal <ofir.gal@volumez.com>
Cc: Sagi Grimberg <sagi@grimberg.me>, Christoph Hellwig <hch@lst.de>,
davem@davemloft.net, linux-block@vger.kernel.org,
linux-nvme@lists.infradead.org, netdev@vger.kernel.org,
ceph-devel@vger.kernel.org, dhowells@redhat.com,
edumazet@google.com, pabeni@redhat.com, kbusch@kernel.org,
axboe@kernel.dk, philipp.reisner@linbit.com,
lars.ellenberg@linbit.com, christoph.boehmwalder@linbit.com,
idryomov@gmail.com, xiubli@redhat.com
Subject: Re: [PATCH v2 1/4] net: introduce helper sendpages_ok()
Date: Thu, 6 Jun 2024 15:08:32 +0200 [thread overview]
Message-ID: <20240606130832.GA5925@lst.de> (raw)
In-Reply-To: <b13305d7-35c8-432e-bea1-616410a9da15@volumez.com>
On Thu, Jun 06, 2024 at 03:57:25PM +0300, Ofir Gal wrote:
> The slab pages aren't allocated by the md-bitmap, they are pages that
> happens to be after the allocated pages. I'm applying a patch to the md
> subsystem asap.
Similar cases could happen by other means as well. E.g. if you write
to the last blocks in an XFS allocation group while also writing something
to superblock copy at the beginnig of the next one and the two writes get
merged. Probably not easy to reproduce but entirely possible. Just as
as lot of other scenarious could happen due to merges.
next prev parent reply other threads:[~2024-06-06 13:08 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-30 14:24 [PATCH v2 0/4] bugfix: Introduce sendpages_ok() to check sendpage_ok() on contiguous pages Ofir Gal
2024-05-30 14:24 ` [PATCH v2 1/4] net: introduce helper sendpages_ok() Ofir Gal
2024-05-31 7:32 ` Christoph Hellwig
2024-05-31 8:51 ` Sagi Grimberg
2024-06-03 12:35 ` Ofir Gal
2024-06-03 21:27 ` Sagi Grimberg
2024-06-04 4:27 ` Christoph Hellwig
2024-06-04 8:24 ` Sagi Grimberg
2024-06-04 13:01 ` Sagi Grimberg
2024-06-06 12:57 ` Ofir Gal
2024-06-06 13:08 ` Christoph Hellwig [this message]
2024-06-06 13:18 ` Ofir Gal
2024-06-06 13:52 ` Christoph Hellwig
2024-06-06 15:42 ` Ofir Gal
2024-05-30 14:24 ` [PATCH v2 2/4] nvme-tcp: use sendpages_ok() instead of sendpage_ok() Ofir Gal
2024-05-31 7:32 ` Christoph Hellwig
2024-05-30 14:24 ` [PATCH v2 3/4] drbd: " Ofir Gal
2024-06-04 14:43 ` Christoph Böhmwalder
2024-05-30 14:24 ` [PATCH v2 4/4] libceph: " Ofir Gal
2024-05-31 7:32 ` [PATCH v2 0/4] bugfix: Introduce sendpages_ok() to check sendpage_ok() on contiguous pages Christoph Hellwig
2024-06-01 22:36 ` Jakub Kicinski
2024-06-04 4:30 ` Christoph Hellwig
2024-06-04 14:42 ` Jakub Kicinski
2024-06-05 7:27 ` Christoph Hellwig
2024-06-01 22:34 ` Jakub Kicinski
2024-06-02 7:48 ` Sagi Grimberg
2024-06-03 9:07 ` Hannes Reinecke
2024-06-03 12:46 ` Ofir Gal
2024-06-03 7:24 ` Hannes Reinecke
2024-06-03 12:49 ` Ofir Gal
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