linux-kernel - Re: [PATCH -next] block: add another struct gendisk to <linux/blkdev.h>

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Message-ID: <c2c78d99-272f-eec3-993e-ef6684792d8e@kernel.dk>
Date:   Thu, 28 May 2020 13:44:36 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Randy Dunlap <rdunlap@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH -next] block: add another struct gendisk to
 <linux/blkdev.h>

On 5/28/20 11:21 AM, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@...radead.org>
> 
> Add a forward declaration for struct gendisk when CONFIG_BLOCK is
> not set/enabled to prevent multiple (30 - 50) build warnings.
> 
> In file included from ../kernel/sched/sched.h:39:0,
>                  from ../kernel/sched/core.c:9:
> ../include/linux/blkdev.h:1895:41: warning: 'struct gendisk' declared inside parameter list will not be visible outside of this definition or declaration
>  unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,

Should be fixed already:

https://git.kernel.dk/cgit/linux-block/commit/?h=for-5.8/block&id=dc35ada4251f183137ee3a524543c9329d7a4fa2

-- 
Jens Axboe