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From: Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Puranjay Mohan <puranjay12@gmail.com>,
	Damien Le Moal <Damien.LeMoal@wdc.com>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"bjorn@helgaas.com" <bjorn@helgaas.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: [PATCH] drivers: block: save return value of pci_find_capability() in u8
Date: Mon, 7 Dec 2020 01:48:41 +0000	[thread overview]
Message-ID: <BYAPR04MB4965B160F84F31303855501C86CE0@BYAPR04MB4965.namprd04.prod.outlook.com> (raw)
In-Reply-To: 20201207012600.GA2238381@bjorn-Precision-5520

Bjorn,
On 12/6/20 17:26, Bjorn Helgaas wrote:
> There's a patch pending via the PCI tree to change the return type to
> u8.  We can do one of:
I did not know about the pending patch, if that is going to change the
return

type then this patch makes sense.

>
>   - Ignore this.  It only changes something on the stack, so no real
>     space saving and there's no problem assigning the u8 return value
>     to the "int".
>   - The maintainer could ack it and I could merge it via the PCI tree
>     so it happens in the correct order (after the interface change).
If we want it in 5.11 then I think PCI tree is a right way go about it.
>   - The PCI core interface change will be merged for v5.11, so we
>     could hold this until v5.12.
> I don't really have a preference.  The only place there would really
> be a benefit would be if we store the return value in a struct, where
> we could potentially save three bytes.
Totally agree.
> Bjorn

Whoever is going to apply please add :-

Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>



  parent reply	other threads:[~2020-12-07  1:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-06 19:43 [PATCH] drivers: block: save return value of pci_find_capability() in u8 Puranjay Mohan
2020-12-06 23:08 ` Chaitanya Kulkarni
2020-12-07  1:26   ` Bjorn Helgaas
2020-12-07  1:30     ` Damien Le Moal
2020-12-07 18:38       ` Jens Axboe
2020-12-07  1:48     ` Chaitanya Kulkarni [this message]
2020-12-07 16:17     ` Ben Dooks
2020-12-07  2:25 ` Damien Le Moal
2020-12-07 14:52 ` Christoph Hellwig
2020-12-07 16:04   ` Bjorn Helgaas
2020-12-07 17:53   ` Puranjay Mohan
2020-12-07 18:07     ` Keith Busch
2020-12-07 18:35       ` Puranjay Mohan

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