From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Chaitanya Kulkarni <chaitanyak@nvidia.com>,
Christoph Hellwig <hch@lst.de>,
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Subject: Re: [RFC PATCH 0/8] block: add support for REQ_OP_VERIFY
Date: Thu, 4 Nov 2021 18:34:31 +0100 [thread overview]
Message-ID: <20211104173431.GA31740@lst.de> (raw)
In-Reply-To: <20211104173235.GI2237511@magnolia>
On Thu, Nov 04, 2021 at 10:32:35AM -0700, Darrick J. Wong wrote:
> I also wonder if it would be useful (since we're already having a
> discussion elsewhere about data integrity syscalls for pmem) to be able
> to call this sort of thing against files? In which case we'd want
> another preadv2 flag or something, and then plumb all that through the
> vfs/iomap as needed?
IFF we do this (can't answer if there is a need) we should not
overload read with it. It is an operation that does not return
data but just a status, so let's not get into that mess.
next prev parent reply other threads:[~2021-11-04 17:34 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 6:46 [RFC PATCH 0/8] block: add support for REQ_OP_VERIFY Chaitanya Kulkarni
2021-11-04 6:46 ` [RFC PATCH 1/8] " Chaitanya Kulkarni
2021-11-04 17:25 ` Darrick J. Wong
2021-11-11 8:01 ` Chaitanya Kulkarni
2021-11-04 6:46 ` [RFC PATCH 2/8] scsi: add REQ_OP_VERIFY support Chaitanya Kulkarni
2021-11-04 12:33 ` Damien Le Moal
2021-11-11 8:07 ` Chaitanya Kulkarni
2021-11-04 6:46 ` [RFC PATCH 3/8] nvme: add support for the Verify command Chaitanya Kulkarni
2021-11-04 22:44 ` Keith Busch
2021-11-11 8:09 ` Chaitanya Kulkarni
2021-11-04 6:46 ` [PATCH 4/8] nvmet: add Verify command support for bdev-ns Chaitanya Kulkarni
2021-11-04 6:46 ` [RFC PATCH 5/8] nvmet: add Verify emulation " Chaitanya Kulkarni
2021-11-04 6:46 ` [RFC PATCH 6/8] nvmet: add verify emulation support for file-ns Chaitanya Kulkarni
2021-11-04 6:46 ` [RFC PATCH 7/8] null_blk: add REQ_OP_VERIFY support Chaitanya Kulkarni
2021-11-04 6:46 ` [RFC PATCH 8/8] md: add support for REQ_OP_VERIFY Chaitanya Kulkarni
2021-11-11 8:13 ` Chaitanya Kulkarni
2021-11-12 15:19 ` Mike Snitzer
2021-11-04 7:14 ` [RFC PATCH 0/8] block: " Christoph Hellwig
2021-11-04 9:27 ` Chaitanya Kulkarni
2021-11-04 17:32 ` Darrick J. Wong
2021-11-04 17:34 ` Christoph Hellwig [this message]
2021-11-04 22:37 ` Keith Busch
2021-11-05 8:25 ` javier
2021-11-11 8:18 ` Chaitanya Kulkarni
2021-11-04 15:16 ` Douglas Gilbert
2021-11-11 8:27 ` Chaitanya Kulkarni
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