Re: [PATCH v4 15/17] xfs: mount-api - dont set sb in xfs_mount_alloc()

[Brian Foster <bfoster@redhat.com>]

On Thu, Oct 03, 2019 at 06:26:38PM +0800, Ian Kent wrote:
> When changing to use the new mount api the super block won't be
> available when the xfs_mount info struct is allocated so move
> setting the super block in xfs_mount to xfs_fs_fill_super().
> 
> Also change xfs_mount_alloc() decalaration static -> STATIC.
> 
> Signed-off-by: Ian Kent <raven@themaw.net>
> ---

Reviewed-by: Brian Foster <bfoster@redhat.com>

>  fs/xfs/xfs_super.c |    9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
> index 4f2963ff9e06..919afd7082b7 100644
> --- a/fs/xfs/xfs_super.c
> +++ b/fs/xfs/xfs_super.c
> @@ -1772,9 +1772,8 @@ xfs_destroy_percpu_counters(
>  	percpu_counter_destroy(&mp->m_delalloc_blks);
>  }
>  
> -static struct xfs_mount *
> -xfs_mount_alloc(
> -	struct super_block	*sb)
> +STATIC struct xfs_mount *
> +xfs_mount_alloc(void)
>  {
>  	struct xfs_mount	*mp;
>  
> @@ -1782,7 +1781,6 @@ xfs_mount_alloc(
>  	if (!mp)
>  		return NULL;
>  
> -	mp->m_super = sb;
>  	spin_lock_init(&mp->m_sb_lock);
>  	spin_lock_init(&mp->m_agirotor_lock);
>  	INIT_RADIX_TREE(&mp->m_perag_tree, GFP_ATOMIC);
> @@ -1996,9 +1994,10 @@ xfs_fs_fill_super(
>  	 * allocate mp and do all low-level struct initializations before we
>  	 * attach it to the super
>  	 */
> -	mp = xfs_mount_alloc(sb);
> +	mp = xfs_mount_alloc();
>  	if (!mp)
>  		return -ENOMEM;
> +	mp->m_super = sb;
>  	sb->s_fs_info = mp;
>  
>  	error = xfs_parseargs(mp, (char *)data);
>