From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Subject: Re: don't allow enabling a write back cache on devices that don't support it
Date: Thu, 13 Jul 2023 15:43:03 +0200 [thread overview]
Message-ID: <20230713134303.GA25950@lst.de> (raw)
In-Reply-To: <20230707094239.107968-1-hch@lst.de>
Jens, does this make sense to you? Without this we can deliver
flush requests to drivers not supporting them, which is a bit nasty
even if it's not exploitable without root-equivalent access.
next prev parent reply other threads:[~2023-07-13 13:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-07 9:42 don't allow enabling a write back cache on devices that don't support it Christoph Hellwig
2023-07-07 9:42 ` [PATCH 1/2] block: cleanup queue_wc_store Christoph Hellwig
2023-07-07 9:42 ` [PATCH 2/2] block: don't allow enabling a cache on devices that don't support it Christoph Hellwig
2023-07-13 13:43 ` Christoph Hellwig [this message]
2023-07-15 15:50 ` don't allow enabling a write back " Jens Axboe
2023-07-15 15:52 ` Jens Axboe
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