linux-kernel - Re: [PATCH] dcookies: Make dcookies depend on CONFIG

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Message-ID: <20201027085152.GB10053@infradead.org>
Date:   Tue, 27 Oct 2020 08:51:52 +0000
From:   Christoph Hellwig <hch@...radead.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        anmar.oueja@...aro.org, Arnd Bergmann <arnd@...db.de>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] dcookies: Make dcookies depend on CONFIG_OPROFILE

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>

Is it time to deprecate and eventually remove oprofile while we're at
it?

On Tue, Oct 20, 2020 at 04:31:27PM +0530, Viresh Kumar wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The dcookies stuff is used only with OPROFILE and there is no need to
> build it if CONFIG_OPROFILE isn't enabled. Build it depending on
> CONFIG_OPROFILE instead of CONFIG_PROFILING.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> [ Viresh: Update the name in #endif part ]
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  fs/Makefile              | 2 +-
>  include/linux/dcookies.h | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/Makefile b/fs/Makefile
> index 7bb2a05fda1f..a7b3d9ff8db5 100644
> --- a/fs/Makefile
> +++ b/fs/Makefile
> @@ -64,7 +64,7 @@ obj-$(CONFIG_SYSFS)		+= sysfs/
>  obj-$(CONFIG_CONFIGFS_FS)	+= configfs/
>  obj-y				+= devpts/
>  
> -obj-$(CONFIG_PROFILING)		+= dcookies.o
> +obj-$(CONFIG_OPROFILE)		+= dcookies.o
>  obj-$(CONFIG_DLM)		+= dlm/
>   
>  # Do not add any filesystems before this line
> diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h
> index ddfdac20cad0..8617c1871398 100644
> --- a/include/linux/dcookies.h
> +++ b/include/linux/dcookies.h
> @@ -11,7 +11,7 @@
>  #define DCOOKIES_H
>   
>  
> -#ifdef CONFIG_PROFILING
> +#ifdef CONFIG_OPROFILE
>   
>  #include <linux/dcache.h>
>  #include <linux/types.h>
> @@ -64,6 +64,6 @@ static inline int get_dcookie(const struct path *path, unsigned long *cookie)
>  	return -ENOSYS;
>  }
>  
> -#endif /* CONFIG_PROFILING */
> +#endif /* CONFIG_OPROFILE */
>  
>  #endif /* DCOOKIES_H */
> -- 
> 2.25.0.rc1.19.g042ed3e048af
> 
---end quoted text---