Re: [PATCH 11/12] xfs_repair: use precomputed inode geometry values

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On Tue, Aug 20, 2019 at 01:32:23PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> Use the precomputed inode geometry values instead of open-coding them.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> ---
>  repair/dino_chunks.c |   22 +++++++++++-----------
>  repair/dinode.c      |   13 ++++---------
>  repair/globals.c     |    1 -
>  repair/globals.h     |    1 -
>  repair/prefetch.c    |   21 ++++++++-------------
>  repair/xfs_repair.c  |    2 --
>  6 files changed, 23 insertions(+), 37 deletions(-)

two minor nits:

> diff --git a/repair/prefetch.c b/repair/prefetch.c
> index 2fecfd68..5a725a51 100644
> --- a/repair/prefetch.c
> +++ b/repair/prefetch.c
> @@ -710,17 +710,12 @@ pf_queuing_worker(
>  	int			num_inos;
>  	ino_tree_node_t		*irec;
>  	ino_tree_node_t		*cur_irec;
> -	int			blks_per_cluster;
>  	xfs_agblock_t		bno;
>  	int			i;
>  	int			err;
>  	uint64_t		sparse;
>  	struct xfs_ino_geometry	*igeo = M_IGEO(mp);
>  
> -	blks_per_cluster = igeo->inode_cluster_size >> mp->m_sb.sb_blocklog;
> -	if (blks_per_cluster == 0)
> -		blks_per_cluster = 1;
> -
>  	for (i = 0; i < PF_THREAD_COUNT; i++) {
>  		err = pthread_create(&args->io_threads[i], NULL,
>  				pf_io_worker, args);
> @@ -786,21 +781,22 @@ pf_queuing_worker(
>  			struct xfs_buf_map	map;
>  
>  			map.bm_bn = XFS_AGB_TO_DADDR(mp, args->agno, bno);
> -			map.bm_len = XFS_FSB_TO_BB(mp, blks_per_cluster);
> +			map.bm_len = XFS_FSB_TO_BB(mp,
> +					M_IGEO(mp)->blocks_per_cluster);

	igeo->blocks_per_cluster

>  
>  			/*
>  			 * Queue I/O for each non-sparse cluster. We can check
>  			 * sparse state in cluster sized chunks as cluster size
>  			 * is the min. granularity of sparse irec regions.
>  			 */
> -			if ((sparse & ((1ULL << inodes_per_cluster) - 1)) == 0)
> +			if ((sparse & ((1ULL << M_IGEO(mp)->inodes_per_cluster) - 1)) == 0)

	igeo->inodes_per_cluster and 80 columns....

Otherwise,

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx



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