Re: linux-next: build warning after merge of the f2fs tree

From: Stephen Rothwell
Date: Mon Nov 26 2018 - 17:40:36 EST


Hi Jaegeuk,

On Mon, 26 Nov 2018 14:22:57 -0800 Jaegeuk Kim <jaegeuk@xxxxxxxxxx> wrote:
>
> Is this okay?

That looks great, thanks.

> From: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
> Date: Mon, 26 Nov 2018 14:20:32 -0800
> Subject: [PATCH] f2fs: avoid build warn of fall_through
>
> After merging the f2fs tree, today's linux-next build
> (x86_64_allmodconfig) produced this warning:
>
> In file included from fs/f2fs/dir.c:11:
> fs/f2fs/f2fs.h: In function '__mark_inode_dirty_flag':
> fs/f2fs/f2fs.h:2388:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
> if (set)
> ^
> fs/f2fs/f2fs.h:2390:2: note: here
> case FI_DATA_EXIST:
> ^~~~
>
> Exposed by my use of -Wimplicit-fallthrough
>
> Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
> ---
> fs/f2fs/f2fs.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index 26ad1de8641c..b3fe6803d4c6 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -2387,6 +2387,7 @@ static inline void __mark_inode_dirty_flag(struct inode *inode,
> case FI_NEW_INODE:
> if (set)
> return;
> + /* fall through */
> case FI_DATA_EXIST:
> case FI_INLINE_DOTS:
> case FI_PIN_FILE:
> --

--
Cheers,
Stephen Rothwell

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