From: Christoph Hellwig <[email protected]>
To: "Martin K. Petersen" <[email protected]>
Cc: Bart Van Assche <[email protected]>,
Nitesh Shetty <[email protected]>,
Javier Gonzalez <[email protected]>,
Matthew Wilcox <[email protected]>,
Keith Busch <[email protected]>, Christoph Hellwig <[email protected]>,
Keith Busch <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>
Subject: Re: [PATCHv10 0/9] write hints with nvme fdp, scsi streams
Date: Thu, 28 Nov 2024 04:24:04 +0100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On Wed, Nov 27, 2024 at 03:14:09PM -0500, Martin K. Petersen wrote:
> How do you copy a block range without offload? You perform a READ to
> read the data into memory. And once the READ completes, you do a WRITE
> of the data to the new location.
Yes. I.e. this is code that makes this pattern very clearm and for
which I'd love to be able to use copy offload when available:
http://git.infradead.org/?p=users/hch/xfs.git;a=blob;f=fs/xfs/xfs_zone_gc.c;h=ed8aa08b3c18d50afe79326e697d83e09542a9b6;hb=refs/heads/xfs-zoned#l820
next prev parent reply other threads:[~2024-11-28 3:24 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-29 15:19 [PATCHv10 0/9] write hints with nvme fdp, scsi streams Keith Busch
2024-10-29 15:19 ` [PATCHv10 1/9] block: use generic u16 for write hints Keith Busch
2024-10-29 17:21 ` Bart Van Assche
2024-10-29 15:19 ` [PATCHv10 2/9] block: introduce max_write_hints queue limit Keith Busch
2024-10-29 15:19 ` [PATCHv10 3/9] statx: add write hint information Keith Busch
2024-10-29 15:19 ` [PATCHv10 4/9] block: allow ability to limit partition write hints Keith Busch
2024-10-29 15:23 ` Christoph Hellwig
2024-10-29 17:25 ` Bart Van Assche
2024-10-30 4:46 ` Christoph Hellwig
2024-10-30 20:11 ` Keith Busch
2024-10-30 20:26 ` Bart Van Assche
2024-10-30 20:37 ` Keith Busch
2024-10-30 21:15 ` Bart Van Assche
2024-10-29 15:19 ` [PATCHv10 5/9] block, fs: add write hint to kiocb Keith Busch
2024-10-29 15:19 ` [PATCHv10 6/9] io_uring: enable per-io hinting capability Keith Busch
2024-11-07 2:09 ` Jens Axboe
2024-10-29 15:19 ` [PATCHv10 7/9] block: export placement hint feature Keith Busch
2024-10-29 15:19 ` [PATCHv10 8/9] nvme: enable FDP support Keith Busch
2024-10-30 0:24 ` Chaitanya Kulkarni
2024-10-29 15:19 ` [PATCHv10 9/9] scsi: set permanent stream count in block limits Keith Busch
2024-10-29 15:26 ` Christoph Hellwig
2024-10-29 15:34 ` Keith Busch
2024-10-29 15:37 ` Christoph Hellwig
2024-10-29 15:38 ` Keith Busch
2024-10-29 15:53 ` Christoph Hellwig
2024-10-29 16:22 ` Keith Busch
2024-10-30 4:55 ` Christoph Hellwig
2024-10-30 15:41 ` Keith Busch
2024-10-30 15:45 ` Christoph Hellwig
2024-10-30 15:48 ` Keith Busch
2024-10-30 15:50 ` Christoph Hellwig
2024-10-30 16:42 ` Keith Busch
2024-10-30 16:57 ` Christoph Hellwig
2024-10-30 17:05 ` Keith Busch
2024-10-30 17:15 ` Christoph Hellwig
2024-10-30 17:23 ` Keith Busch
2024-10-30 22:32 ` Keith Busch
2024-10-31 8:19 ` Hans Holmberg
2024-10-31 13:02 ` Christoph Hellwig
2024-10-31 14:06 ` Keith Busch
2024-11-01 7:16 ` Hans Holmberg
2024-11-01 8:19 ` Javier González
2024-11-01 14:49 ` Keith Busch
2024-11-06 14:26 ` Hans Holmberg
2024-10-30 16:59 ` Bart Van Assche
2024-10-30 17:14 ` Christoph Hellwig
2024-10-30 17:44 ` Bart Van Assche
2024-11-01 1:03 ` Jaegeuk Kim
2024-10-29 17:18 ` Bart Van Assche
2024-10-30 5:42 ` Christoph Hellwig
2024-10-29 15:24 ` [PATCHv10 0/9] write hints with nvme fdp, scsi streams Christoph Hellwig
2024-11-05 15:50 ` Christoph Hellwig
2024-11-06 18:36 ` Keith Busch
2024-11-07 20:36 ` Keith Busch
2024-11-08 14:18 ` Christoph Hellwig
2024-11-08 15:51 ` Keith Busch
2024-11-08 16:54 ` Matthew Wilcox
2024-11-08 17:43 ` Javier Gonzalez
2024-11-08 18:51 ` Bart Van Assche
2024-11-11 9:31 ` Javier Gonzalez
2024-11-11 17:45 ` Bart Van Assche
2024-11-12 13:52 ` Nitesh Shetty
2024-11-19 2:03 ` Martin K. Petersen
2024-11-25 23:21 ` Bart Van Assche
2024-11-27 2:54 ` Martin K. Petersen
2024-11-27 18:42 ` Bart Van Assche
2024-11-27 20:14 ` Martin K. Petersen
2024-11-27 21:06 ` Bart Van Assche
2024-11-28 2:09 ` Martin K. Petersen
2024-11-28 8:51 ` Damien Le Moal
2024-11-29 6:19 ` Christoph Hellwig
2024-11-29 6:23 ` Damien Le Moal
2024-11-28 3:24 ` Christoph Hellwig [this message]
2024-11-28 15:21 ` Keith Busch
2024-11-28 16:40 ` Christoph Hellwig
2024-11-11 6:51 ` Christoph Hellwig
2024-11-11 9:30 ` Javier Gonzalez
2024-11-11 9:37 ` Johannes Thumshirn
2024-11-11 9:41 ` Javier Gonzalez
2024-11-11 9:42 ` hch
2024-11-11 9:43 ` Johannes Thumshirn
2024-11-11 10:37 ` Javier Gonzalez
2024-11-11 6:49 ` Christoph Hellwig
2024-11-11 6:48 ` Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox