From: Damien Le Moal <Damien.LeMoal@wdc.com>
To: Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Cc: "hch@lst.de" <hch@lst.de>, "sagi@grimberg.me" <sagi@grimberg.me>
Subject: Re: [PATCH V9 6/9] nvmet: add bio init helper for different backends
Date: Tue, 12 Jan 2021 06:27:22 +0000 [thread overview]
Message-ID: <BL0PR04MB651407876C76BDFBB5029D5DE7AA0@BL0PR04MB6514.namprd04.prod.outlook.com> (raw)
In-Reply-To: BYAPR04MB496575ACE95FA2E6EA31AC8286AA0@BYAPR04MB4965.namprd04.prod.outlook.com
On 2021/01/12 14:57, Chaitanya Kulkarni wrote:
> On 1/11/21 21:40, Damien Le Moal wrote:
>>> bio = nvmet_req_bio_get(req, NULL);
>>> - bio_set_dev(bio, req->ns->bdev);
>>> - bio->bi_iter.bi_sector = sect;
>>> - bio->bi_opf = REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE;
>>> + nvmet_bio_init(bio, req->ns->bdev, op, sect, NULL, NULL);
>> op is used only here I think. So is that variable really necessary ?
>>
> This is just my personal preference as without using op we will have to
> add a new line to a function call, I like to keep the function call in
> one line as much as I can.
A new line in the code costs nothing. An unnecessary variable costs stack space...
--
Damien Le Moal
Western Digital Research
WARNING: multiple messages have this Message-ID (diff)
From: Damien Le Moal <Damien.LeMoal@wdc.com>
To: Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Cc: "hch@lst.de" <hch@lst.de>, "sagi@grimberg.me" <sagi@grimberg.me>
Subject: Re: [PATCH V9 6/9] nvmet: add bio init helper for different backends
Date: Tue, 12 Jan 2021 06:27:22 +0000 [thread overview]
Message-ID: <BL0PR04MB651407876C76BDFBB5029D5DE7AA0@BL0PR04MB6514.namprd04.prod.outlook.com> (raw)
In-Reply-To: BYAPR04MB496575ACE95FA2E6EA31AC8286AA0@BYAPR04MB4965.namprd04.prod.outlook.com
On 2021/01/12 14:57, Chaitanya Kulkarni wrote:
> On 1/11/21 21:40, Damien Le Moal wrote:
>>> bio = nvmet_req_bio_get(req, NULL);
>>> - bio_set_dev(bio, req->ns->bdev);
>>> - bio->bi_iter.bi_sector = sect;
>>> - bio->bi_opf = REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE;
>>> + nvmet_bio_init(bio, req->ns->bdev, op, sect, NULL, NULL);
>> op is used only here I think. So is that variable really necessary ?
>>
> This is just my personal preference as without using op we will have to
> add a new line to a function call, I like to keep the function call in
> one line as much as I can.
A new line in the code costs nothing. An unnecessary variable costs stack space...
--
Damien Le Moal
Western Digital Research
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next prev parent reply other threads:[~2021-01-12 6:28 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-12 4:26 [PATCH V9 0/9] nvmet: add ZBD backend support Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 4:26 ` [PATCH V9 1/9] block: export bio_add_hw_pages() Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 5:40 ` Damien Le Moal
2021-01-12 5:40 ` Damien Le Moal
2021-01-12 7:24 ` Christoph Hellwig
2021-01-12 7:24 ` Christoph Hellwig
2021-01-13 1:20 ` Chaitanya Kulkarni
2021-01-13 1:20 ` Chaitanya Kulkarni
2021-01-12 4:26 ` [PATCH V9 2/9] nvmet: add lba to sect conversion helpers Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 5:08 ` Damien Le Moal
2021-01-12 5:08 ` Damien Le Moal
2021-01-18 18:19 ` Christoph Hellwig
2021-01-18 18:19 ` Christoph Hellwig
2021-01-12 4:26 ` [PATCH V9 3/9] nvmet: add NVM command set identifier support Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 7:27 ` Christoph Hellwig
2021-01-12 7:27 ` Christoph Hellwig
2021-01-13 4:16 ` Chaitanya Kulkarni
2021-01-13 4:16 ` Chaitanya Kulkarni
2021-01-18 18:21 ` Christoph Hellwig
2021-01-18 18:21 ` Christoph Hellwig
2021-01-12 4:26 ` [PATCH V9 4/9] nvmet: add ZBD over ZNS backend support Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 5:32 ` Damien Le Moal
2021-01-12 5:32 ` Damien Le Moal
2021-01-12 6:11 ` Chaitanya Kulkarni
2021-01-12 6:11 ` Chaitanya Kulkarni
2021-01-12 6:31 ` Damien Le Moal
2021-01-12 6:31 ` Damien Le Moal
2021-01-12 7:48 ` Christoph Hellwig
2021-01-12 7:48 ` Christoph Hellwig
2021-01-12 7:52 ` Damien Le Moal
2021-01-12 7:52 ` Damien Le Moal
2021-01-18 18:25 ` Christoph Hellwig
2021-01-18 18:25 ` Christoph Hellwig
2021-01-19 0:02 ` Damien Le Moal
2021-01-19 0:02 ` Damien Le Moal
2021-01-19 4:28 ` Damien Le Moal
2021-01-19 4:28 ` Damien Le Moal
2021-01-19 6:15 ` hch
2021-01-19 6:15 ` hch
2021-01-13 4:57 ` Chaitanya Kulkarni
2021-01-13 4:57 ` Chaitanya Kulkarni
2021-01-18 18:27 ` Christoph Hellwig
2021-01-18 18:27 ` Christoph Hellwig
2021-01-12 4:26 ` [PATCH V9 5/9] nvmet: add bio get helper for different backends Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 5:37 ` Damien Le Moal
2021-01-12 5:37 ` Damien Le Moal
2021-01-12 5:55 ` Chaitanya Kulkarni
2021-01-12 5:55 ` Chaitanya Kulkarni
2021-01-12 7:33 ` Christoph Hellwig
2021-01-12 7:33 ` Christoph Hellwig
2021-01-13 5:03 ` Chaitanya Kulkarni
2021-01-13 5:03 ` Chaitanya Kulkarni
2021-01-18 18:28 ` Christoph Hellwig
2021-01-18 18:28 ` Christoph Hellwig
2021-01-19 4:57 ` Chaitanya Kulkarni
2021-01-19 4:57 ` Chaitanya Kulkarni
2021-01-12 4:26 ` [PATCH V9 6/9] nvmet: add bio init " Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 5:40 ` Damien Le Moal
2021-01-12 5:40 ` Damien Le Moal
2021-01-12 5:57 ` Chaitanya Kulkarni
2021-01-12 5:57 ` Chaitanya Kulkarni
2021-01-12 6:27 ` Damien Le Moal [this message]
2021-01-12 6:27 ` Damien Le Moal
2021-01-12 7:33 ` Christoph Hellwig
2021-01-12 7:33 ` Christoph Hellwig
2021-01-13 5:04 ` Chaitanya Kulkarni
2021-01-13 5:04 ` Chaitanya Kulkarni
2021-01-18 18:33 ` Christoph Hellwig
2021-01-18 18:33 ` Christoph Hellwig
2021-01-12 4:26 ` [PATCH V9 7/9] nvmet: add bio put " Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 4:26 ` [PATCH V9 8/9] nvmet: add common I/O length check helper Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 7:35 ` Christoph Hellwig
2021-01-12 7:35 ` Christoph Hellwig
2021-01-13 5:07 ` Chaitanya Kulkarni
2021-01-13 5:07 ` Chaitanya Kulkarni
2021-01-18 18:34 ` Christoph Hellwig
2021-01-18 18:34 ` Christoph Hellwig
2021-01-12 4:26 ` [PATCH V9 9/9] nvmet: call nvmet_bio_done() for zone append Chaitanya Kulkarni
2021-01-12 4:26 ` Chaitanya Kulkarni
2021-01-12 7:36 ` Christoph Hellwig
2021-01-12 7:36 ` Christoph Hellwig
2021-01-13 5:13 ` Chaitanya Kulkarni
2021-01-13 5:13 ` Chaitanya Kulkarni
2021-01-12 6:12 ` [PATCH V9 0/9] nvmet: add ZBD backend support Chaitanya Kulkarni
2021-01-12 6:12 ` Chaitanya Kulkarni
2021-02-10 22:42 ` Chaitanya Kulkarni
2021-02-10 22:42 ` Chaitanya Kulkarni
2021-02-11 7:20 ` hch
2021-02-11 7:20 ` hch
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