From: Brian Foster <bfoster@redhat.com>
To: Jeff Liu <jeff.liu@oracle.com>
Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: Re: [PATCH 4/6] xfsprogs: introduce xfs_icluster_size_fsb()
Date: Mon, 5 May 2014 17:10:24 -0400 [thread overview]
Message-ID: <20140505211023.GE13973@laptop.bfoster> (raw)
In-Reply-To: <536784D4.1050405@oracle.com>
On Mon, May 05, 2014 at 08:32:20PM +0800, Jeff Liu wrote:
> From: Jie Liu <jeff.liu@oracle.com>
>
> Introduce a common routine xfs_icluster_size_fsb() to calculate
> and return the number of file system blocks per inode cluster.
>
> Signed-off-by: Jie Liu <jeff.liu@oracle.com>
> ---
Reviewed-by: Brian Foster <bfoster@redhat.com>
> include/xfs_ialloc.h | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/include/xfs_ialloc.h b/include/xfs_ialloc.h
> index 0498f20..9dee62f 100644
> --- a/include/xfs_ialloc.h
> +++ b/include/xfs_ialloc.h
> @@ -30,6 +30,16 @@ struct xfs_btree_cur;
> */
> #define XFS_INODE_BIG_CLUSTER_SIZE 8192
>
> +/* Calculate and return the number of filesystem blocks per inode cluster */
> +static inline int
> +xfs_icluster_size_fsb(
> + struct xfs_mount *mp)
> +{
> + if (mp->m_sb.sb_blocksize >= mp->m_inode_cluster_size)
> + return 1;
> + return mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog;
> +}
> +
> /*
> * Make an inode pointer out of the buffer/offset.
> */
> --
> 1.8.3.2
>
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> xfs@oss.sgi.com
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prev parent reply other threads:[~2014-05-05 21:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 12:32 [PATCH 4/6] xfsprogs: introduce xfs_icluster_size_fsb() Jeff Liu
2014-05-05 21:10 ` Brian Foster [this message]
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