linux-kernel - Re: [PATCH 15/45] dm-log-userspace.h: include stdint.h in userspace

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Message-ID: <2309592.iOl8K3u7d8@wuerfel>
Date:	Tue, 17 Feb 2015 10:08:56 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Mikko Rapeli <mikko.rapeli@....fi>
Cc:	linux-kernel@...r.kernel.org, Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
	linux-api@...r.kernel.org
Subject: Re: [PATCH 15/45] dm-log-userspace.h: include stdint.h in userspace

On Tuesday 17 February 2015 00:05:18 Mikko Rapeli wrote:
> --- a/include/uapi/linux/dm-log-userspace.h
> +++ b/include/uapi/linux/dm-log-userspace.h
> @@ -7,6 +7,11 @@
>  #ifndef __DM_LOG_USERSPACE_H__
>  #define __DM_LOG_USERSPACE_H__
>  
> +#ifdef __KERNEL__
> +#include <linux/types.h>
> +#else
> +#include <stdint.h>
> +#endif
>  #include <linux/dm-ioctl.h> /* For DM_UUID_LEN */
> 

The normal way to do this in kernel headers is to use linux/types.h
but change the data structures to use __u64 instead of uint64_t
to avoid the build error.

It's possible that the maintainers of this code have a strong opinion
on this matter, but try doing that first.

	Arnd
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