From: Luis Chamberlain <[email protected]>
To: "[email protected]" <[email protected]>
Cc: Kanchan Joshi <[email protected]>,
Damien Le Moal <[email protected]>,
Jens Axboe <[email protected]>,
Pavel Begunkov <[email protected]>,
Kanchan Joshi <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
Matthew Wilcox <[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]>,
SelvaKumar S <[email protected]>,
Nitesh Shetty <[email protected]>,
Javier Gonzalez <[email protected]>,
Johannes Thumshirn <[email protected]>,
Naohiro Aota <[email protected]>,
Adam Manzanares <[email protected]>,
"Remzi H. Arpaci-Dusseau" <[email protected]>
Subject: Re: [PATCH v4 6/6] io_uring: add support for zone-append
Date: Wed, 2 Mar 2022 12:43:32 -0800 [thread overview]
Message-ID: <20220302204332.dgstbjcpzgiurn5t@garbanzo> (raw)
In-Reply-To: <[email protected]>
On Tue, Sep 08, 2020 at 04:18:01PM +0100, [email protected] wrote:
> On Mon, Sep 07, 2020 at 12:31:42PM +0530, Kanchan Joshi wrote:
> > But there are use-cases which benefit from supporting zone-append on
> > raw block-dev path.
> > Certain user-space log-structured/cow FS/DB will use the device that
> > way. Aerospike is one example.
> > Pass-through is synchronous, and we lose the ability to use io-uring.
>
> So use zonefs, which is designed exactly for that use case.
Using zonefs to test append alone can introduce a slight overhead with
the VFS if we want to do something such as just testing any hot path
with append and the block layer. If we want to live with that, that's
fine!
Just saying.
Luis
next prev parent reply other threads:[~2022-03-02 20:43 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200724155244epcas5p2902f57e36e490ee8772da19aa9408cdc@epcas5p2.samsung.com>
2020-07-24 15:49 ` [PATCH v4 0/6] zone-append support in io-uring and aio Kanchan Joshi
[not found] ` <CGME20200724155258epcas5p1a75b926950a18cd1e6c8e7a047e6c589@epcas5p1.samsung.com>
2020-07-24 15:49 ` [PATCH v4 1/6] fs: introduce FMODE_ZONE_APPEND and IOCB_ZONE_APPEND Kanchan Joshi
2020-07-24 16:34 ` Jens Axboe
2020-07-26 15:18 ` Christoph Hellwig
2020-07-28 1:49 ` Matthew Wilcox
2020-07-28 7:26 ` Christoph Hellwig
[not found] ` <CGME20200724155324epcas5p18e1d3b4402d1e4a8eca87d0b56a3fa9b@epcas5p1.samsung.com>
2020-07-24 15:49 ` [PATCH v4 2/6] fs: change ki_complete interface to support 64bit ret2 Kanchan Joshi
2020-07-26 15:18 ` Christoph Hellwig
[not found] ` <CGME20200724155329epcas5p345ba6bad0b8fe18056bb4bcd26c10019@epcas5p3.samsung.com>
2020-07-24 15:49 ` [PATCH v4 3/6] uio: return status with iov truncation Kanchan Joshi
[not found] ` <CGME20200724155341epcas5p15bfc55927f2abb60f19784270fe8e377@epcas5p1.samsung.com>
2020-07-24 15:49 ` [PATCH v4 4/6] block: add zone append handling for direct I/O path Kanchan Joshi
2020-07-26 15:19 ` Christoph Hellwig
[not found] ` <CGME20200724155346epcas5p2cfb383fe9904a45280c6145f4c13e1b4@epcas5p2.samsung.com>
2020-07-24 15:49 ` [PATCH v4 5/6] block: enable zone-append for iov_iter of bvec type Kanchan Joshi
2020-07-26 15:20 ` Christoph Hellwig
[not found] ` <CGME20200724155350epcas5p3b8f1d59eda7f8fbb38c828f692d42fd6@epcas5p3.samsung.com>
2020-07-24 15:49 ` [PATCH v4 6/6] io_uring: add support for zone-append Kanchan Joshi
2020-07-24 16:29 ` Jens Axboe
2020-07-27 19:16 ` Kanchan Joshi
2020-07-27 20:34 ` Jens Axboe
2020-07-30 16:08 ` Pavel Begunkov
2020-07-30 16:13 ` Jens Axboe
2020-07-30 16:26 ` Pavel Begunkov
2020-07-30 17:16 ` Jens Axboe
2020-07-30 17:38 ` Pavel Begunkov
2020-07-30 17:51 ` Kanchan Joshi
2020-07-30 17:54 ` Jens Axboe
2020-07-30 18:25 ` Kanchan Joshi
2020-07-31 6:42 ` Damien Le Moal
2020-07-31 6:45 ` hch
2020-07-31 6:59 ` Damien Le Moal
2020-07-31 7:58 ` Kanchan Joshi
2020-07-31 8:14 ` Damien Le Moal
2020-07-31 9:14 ` hch
2020-07-31 9:34 ` Damien Le Moal
2020-07-31 9:41 ` hch
2020-07-31 10:16 ` Damien Le Moal
2020-07-31 12:51 ` hch
2020-07-31 13:08 ` hch
2020-07-31 15:07 ` Kanchan Joshi
2022-03-02 20:47 ` Luis Chamberlain
2020-08-05 7:35 ` Damien Le Moal
2020-08-14 8:14 ` hch
2020-08-14 8:27 ` Damien Le Moal
2020-08-14 12:04 ` hch
2020-08-14 12:20 ` Damien Le Moal
2020-09-07 7:01 ` Kanchan Joshi
2020-09-08 15:18 ` hch
2020-09-24 17:19 ` Kanchan Joshi
2020-09-25 2:52 ` Damien Le Moal
2020-09-28 18:58 ` Kanchan Joshi
2020-09-29 1:24 ` Damien Le Moal
2020-09-29 18:49 ` Kanchan Joshi
2022-03-02 20:43 ` Luis Chamberlain [this message]
2020-07-31 9:38 ` Kanchan Joshi
2022-03-02 20:51 ` Luis Chamberlain
2020-07-31 7:08 ` Kanchan Joshi
2020-07-30 15:57 ` Pavel Begunkov
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