linux-kernel - Re: [PATCH] xfs: move two more RT specific functions into CONFIG_XFS

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Date:   Fri, 13 Oct 2017 09:26:29 -0700
From:   "Darrick J. Wong" <darrick.wong@...cle.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     linux-xfs@...r.kernel.org, Brian Foster <bfoster@...hat.com>,
        Carlos Maiolino <cmaiolino@...hat.com>,
        Dave Chinner <dchinner@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xfs: move two more RT specific functions into
 CONFIG_XFS_RT

On Fri, Oct 13, 2017 at 02:05:40PM +0200, Arnd Bergmann wrote:
> The last cleanup introduced two harmless warnings:
> 
> fs/xfs/xfs_fsmap.c:480:1: warning: '__xfs_getfsmap_rtdev' defined but not used
> fs/xfs/xfs_fsmap.c:372:1: warning: 'xfs_getfsmap_rtdev_rtbitmap_helper' defined but not used
> 
> This moves those two functions as well.
> 
> Fixes: bb9c2e543325 ("xfs: move more RT specific code under CONFIG_XFS_RT")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@...cle.com>

> ---
>  fs/xfs/xfs_fsmap.c | 48 ++++++++++++++++++++++++------------------------
>  1 file changed, 24 insertions(+), 24 deletions(-)
> 
> diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
> index 560e0b40ac1b..43cfc07996a4 100644
> --- a/fs/xfs/xfs_fsmap.c
> +++ b/fs/xfs/xfs_fsmap.c
> @@ -367,29 +367,6 @@ xfs_getfsmap_datadev_helper(
>  	return xfs_getfsmap_helper(cur->bc_tp, info, rec, rec_daddr);
>  }
>  
> -/* Transform a rtbitmap "record" into a fsmap */
> -STATIC int
> -xfs_getfsmap_rtdev_rtbitmap_helper(
> -	struct xfs_trans		*tp,
> -	struct xfs_rtalloc_rec		*rec,
> -	void				*priv)
> -{
> -	struct xfs_mount		*mp = tp->t_mountp;
> -	struct xfs_getfsmap_info	*info = priv;
> -	struct xfs_rmap_irec		irec;
> -	xfs_daddr_t			rec_daddr;
> -
> -	rec_daddr = XFS_FSB_TO_BB(mp, rec->ar_startblock);
> -
> -	irec.rm_startblock = rec->ar_startblock;
> -	irec.rm_blockcount = rec->ar_blockcount;
> -	irec.rm_owner = XFS_RMAP_OWN_NULL;	/* "free" */
> -	irec.rm_offset = 0;
> -	irec.rm_flags = 0;
> -
> -	return xfs_getfsmap_helper(tp, info, &irec, rec_daddr);
> -}
> -
>  /* Transform a bnobt irec into a fsmap */
>  STATIC int
>  xfs_getfsmap_datadev_bnobt_helper(
> @@ -475,6 +452,30 @@ xfs_getfsmap_logdev(
>  	return xfs_getfsmap_helper(tp, info, &rmap, 0);
>  }
>  
> +#ifdef CONFIG_XFS_RT
> +/* Transform a rtbitmap "record" into a fsmap */
> +STATIC int
> +xfs_getfsmap_rtdev_rtbitmap_helper(
> +	struct xfs_trans		*tp,
> +	struct xfs_rtalloc_rec		*rec,
> +	void				*priv)
> +{
> +	struct xfs_mount		*mp = tp->t_mountp;
> +	struct xfs_getfsmap_info	*info = priv;
> +	struct xfs_rmap_irec		irec;
> +	xfs_daddr_t			rec_daddr;
> +
> +	rec_daddr = XFS_FSB_TO_BB(mp, rec->ar_startblock);
> +
> +	irec.rm_startblock = rec->ar_startblock;
> +	irec.rm_blockcount = rec->ar_blockcount;
> +	irec.rm_owner = XFS_RMAP_OWN_NULL;	/* "free" */
> +	irec.rm_offset = 0;
> +	irec.rm_flags = 0;
> +
> +	return xfs_getfsmap_helper(tp, info, &irec, rec_daddr);
> +}
> +
>  /* Execute a getfsmap query against the realtime device. */
>  STATIC int
>  __xfs_getfsmap_rtdev(
> @@ -521,7 +522,6 @@ __xfs_getfsmap_rtdev(
>  	return query_fn(tp, info);
>  }
>  
> -#ifdef CONFIG_XFS_RT
>  /* Actually query the realtime bitmap. */
>  STATIC int
>  xfs_getfsmap_rtdev_rtbitmap_query(
> -- 
> 2.9.0
> 
> --
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