From: Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
To: Kanchan Joshi <joshi.k@samsung.com>,
Damien Le Moal <Damien.LeMoal@wdc.com>
Cc: "axboe@kernel.dk" <axboe@kernel.dk>,
"kbusch@kernel.org" <kbusch@kernel.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"hch@lst.de" <hch@lst.de>,
Selvakumar S <selvakuma.s1@samsung.com>,
Nitesh Shetty <nj.shetty@samsung.com>,
Javier Gonzalez <javier.gonz@samsung.com>
Subject: Re: [PATCH 2/2] block: enable zone-append for iov_iter of bvec type
Date: Fri, 3 Jul 2020 13:02:43 +0000 [thread overview]
Message-ID: <SN4PR0401MB3598BB905AE2F34D3D7C60749B6A0@SN4PR0401MB3598.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20200703065311.GB26058@test-zns
On 03/07/2020 08:56, Kanchan Joshi wrote:
[...]
> Yes, zonefs does not use bvec iter. But while enabling io-uring path for
> zone-append, I hit into this condition returning -EINVAL.
>
> Reference (from user zone-append series cover letter):
> "Append using io_uring fixed-buffer --->
> This is flagged as not-supported at the moment. Reason being, for fixed-buffer
> io-uring sends iov_iter of bvec type. But current append-infra in block-layer
> does not support such iov_iter."
>
> And zone-append doesn't have a problem in using bvec iter as well, so
> thought that this may make infra more complete/future-proof?
As long as it's no problem for current in-tree users please keep it as is.
Please submit this patch together with your io_uring series as a preparatory patch.
prev parent reply other threads:[~2020-07-03 13:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200702154204epcas5p15106774a3d556b77050710722da89922@epcas5p1.samsung.com>
2020-07-02 15:38 ` [PATCH 0/2] fix/extend zone-append in block-layer Kanchan Joshi
[not found] ` <CGME20200702154208epcas5p39fe202f642a9d5c8dde9b911645c594c@epcas5p3.samsung.com>
2020-07-02 15:38 ` [PATCH 1/2] block: fix error code for zone-append Kanchan Joshi
2020-07-03 5:29 ` Damien Le Moal
2020-07-03 6:20 ` Kanchan Joshi
[not found] ` <CGME20200702154213epcas5p4e8d42861cb5ae91ddeccf1ed73107304@epcas5p4.samsung.com>
2020-07-02 15:38 ` [PATCH 2/2] block: enable zone-append for iov_iter of bvec type Kanchan Joshi
2020-07-03 5:32 ` Damien Le Moal
2020-07-03 6:53 ` Kanchan Joshi
2020-07-03 8:07 ` Damien Le Moal
2020-07-03 13:02 ` Johannes Thumshirn [this message]
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