linux-kernel - Re: [PATCH 1/5] swiotlb: Introduce swiotlb_max_mapping

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Message-ID: <20190124082431.GH32526@8bytes.org>
Date:   Thu, 24 Jan 2019 09:24:31 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Christoph Hellwig <hch@....de>
Cc:     "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Jens Axboe <axboe@...nel.dk>,
        virtualization@...ts.linux-foundation.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux-foundation.org, jfehlig@...e.com,
        jon.grimm@....com, brijesh.singh@....com, jroedel@...e.de
Subject: Re: [PATCH 1/5] swiotlb: Introduce swiotlb_max_mapping_size()

On Wed, Jan 23, 2019 at 10:28:13PM +0100, Christoph Hellwig wrote:
> On Wed, Jan 23, 2019 at 05:30:45PM +0100, Joerg Roedel wrote:
> > +extern size_t swiotlb_max_mapping_size(struct device *dev);
> 
> No need for the extern keyword on function declarations in headers.

Right, but all other function declarations in that header file have
'extern' too, so I added it also for that one.

Regards,

	Joerg