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

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On Fri, Aug 30, 2019 at 04:17:34PM +1000, Dave Chinner wrote:
> 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....

Will fix.

--D

> Otherwise,
> 
> Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
> 
> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> david@xxxxxxxxxxxxx



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