linux-ext4 - Re: [PATCH v4 05/12] dax: make 'wait

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Message-ID: <20161003093603.GK6457@quack2.suse.cz>
Date:   Mon, 3 Oct 2016 11:36:03 +0200
From:   Jan Kara <jack@...e.cz>
To:     Ross Zwisler <ross.zwisler@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, Theodore Ts'o <tytso@....edu>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Hellwig <hch@....de>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Chinner <david@...morbit.com>, Jan Kara <jack@...e.com>,
        Matthew Wilcox <mawilcox@...rosoft.com>,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-nvdimm@...ts.01.org,
        linux-xfs@...r.kernel.org
Subject: Re: [PATCH v4 05/12] dax: make 'wait_table' global variable static

On Thu 29-09-16 16:49:23, Ross Zwisler wrote:
> The global 'wait_table' variable is only used within fs/dax.c, and
> generates the following sparse warning:
> 
> fs/dax.c:39:19: warning: symbol 'wait_table' was not declared. Should it be static?
> 
> Make it static so it has scope local to fs/dax.c, and to make sparse happy.
> 
> Signed-off-by: Ross Zwisler <ross.zwisler@...ux.intel.com>

Looks fine. You can add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/dax.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/dax.c b/fs/dax.c
> index 9b9be8a..ac28cdf 100644
> --- a/fs/dax.c
> +++ b/fs/dax.c
> @@ -52,7 +52,7 @@
>  #define DAX_WAIT_TABLE_BITS 12
>  #define DAX_WAIT_TABLE_ENTRIES (1 << DAX_WAIT_TABLE_BITS)
>  
> -wait_queue_head_t wait_table[DAX_WAIT_TABLE_ENTRIES];
> +static wait_queue_head_t wait_table[DAX_WAIT_TABLE_ENTRIES];
>  
>  static int __init init_dax_wait_table(void)
>  {
> -- 
> 2.7.4
> 
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR
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