public inbox for [email protected]
 help / color / mirror / Atom feed
From: "Javier González" <[email protected]>
To: "Matias Bjørling" <[email protected]>
Cc: Kanchan Joshi <[email protected]>,
	[email protected], [email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], [email protected],
	[email protected], Damien Le Moal <[email protected]>,
	Keith Busch <[email protected]>, Christoph Hellwig <[email protected]>
Subject: Re: [PATCH 0/3] zone-append support in aio and io-uring
Date: Thu, 18 Jun 2020 10:27:40 +0200	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 18.06.2020 10:04, Matias Bjørling wrote:
>On 17/06/2020 19.23, Kanchan Joshi wrote:
>>This patchset enables issuing zone-append using aio and io-uring direct-io interface.
>>
>>For aio, this introduces opcode IOCB_CMD_ZONE_APPEND. Application uses start LBA
>>of the zone to issue append. On completion 'res2' field is used to return
>>zone-relative offset.
>>
>>For io-uring, this introduces three opcodes: IORING_OP_ZONE_APPEND/APPENDV/APPENDV_FIXED.
>>Since io_uring does not have aio-like res2, cqe->flags are repurposed to return zone-relative offset
>
>Please provide a pointers to applications that are updated and ready 
>to take advantage of zone append.

Good point. We are posting a RFC with fio support for append. We wanted
to start the conversation here before.

We can post a fork for improve the reviews in V2.

>
>I do not believe it's beneficial at this point to change the libaio 
>API, applications that would want to use this API, should anyway 
>switch to use io_uring.

I can see why you say this, but isn't it too restrictive to directly
drop libaio support? We can split the patches and merge uring first- no
proble,.

>
>Please also note that applications and libraries that want to take 
>advantage of zone append, can already use the zonefs file-system, as 
>it will use the zone append command when applicable.

Sure. There are different paths available already, which is great. We
have use cases for uring and would like to enable them too.

Thanks,
Javier

  reply	other threads:[~2020-06-18  8:27 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200617172653epcas5p488de50090415eb802e62acc0e23d8812@epcas5p4.samsung.com>
2020-06-17 17:23 ` [PATCH 0/3] zone-append support in aio and io-uring Kanchan Joshi
     [not found]   ` <CGME20200617172702epcas5p4dbf4729d31d9a85ab1d261d04f238e61@epcas5p4.samsung.com>
2020-06-17 17:23     ` [PATCH 1/3] fs,block: Introduce IOCB_ZONE_APPEND and direct-io handling Kanchan Joshi
2020-06-17 19:02       ` Pavel Begunkov
2020-06-18  7:16       ` Damien Le Moal
2020-06-18 18:35         ` Kanchan Joshi
     [not found]   ` <CGME20200617172706epcas5p4dcbc164063f58bad95b211b9d6dfbfa9@epcas5p4.samsung.com>
2020-06-17 17:23     ` [PATCH 2/3] aio: add support for zone-append Kanchan Joshi
2020-06-18  7:33       ` Damien Le Moal
     [not found]   ` <CGME20200617172713epcas5p352f2907a12bd4ee3c97be1c7d8e1569e@epcas5p3.samsung.com>
2020-06-17 17:23     ` [PATCH 3/3] io_uring: " Kanchan Joshi
2020-06-17 18:55       ` Pavel Begunkov
2020-06-18  7:39       ` Damien Le Moal
2020-06-18  8:35         ` [email protected]
2020-06-18  8:47           ` Damien Le Moal
2020-06-18  9:11             ` [email protected]
2020-06-19  9:41               ` [email protected]
2020-06-19 11:15                 ` Matias Bjørling
2020-06-19 14:18                   ` Jens Axboe
2020-06-19 15:14                     ` Matias Bjørling
2020-06-19 15:20                       ` Jens Axboe
2020-06-19 15:40                         ` Matias Bjørling
2020-06-19 15:44                           ` Jens Axboe
2020-06-21 18:55                             ` [email protected]
2020-06-19 14:15                 ` Jens Axboe
2020-06-19 14:59                   ` Pavel Begunkov
2020-06-19 15:02                     ` Jens Axboe
2020-06-21 18:52                       ` [email protected]
2020-06-17 17:42   ` [PATCH 0/3] zone-append support in aio and io-uring Matthew Wilcox
2020-06-18  6:56   ` Christoph Hellwig
2020-06-18  8:29     ` Javier González
2020-06-18 17:52     ` Kanchan Joshi
2020-06-19  3:08       ` Damien Le Moal
2020-06-19  7:56       ` Christoph Hellwig
2020-06-18  8:04   ` Matias Bjørling
2020-06-18  8:27     ` Javier González [this message]
2020-06-18  8:32       ` Matias Bjørling
2020-06-18  8:39         ` Javier González
2020-06-18  8:46           ` Matias Bjørling
2020-06-18 14:16     ` Christoph Hellwig
2020-06-18 19:21     ` Kanchan Joshi
2020-06-18 20:04       ` Matias Bjørling
2020-06-19  1:03         ` Damien Le Moal

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] \
    [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