From 83dcdb4469e759f984db92616d7885fc14329841 Mon Sep 17 00:00:00 2001 From: Darrick J. Wong Date: Wed, 12 Dec 2018 08:46:25 -0800 Subject: xfs: precalculate inodes and blocks per inode cluster Store the number of inodes and blocks per inode cluster in the mount data so that we don't have to keep recalculating them. Signed-off-by: Darrick J. Wong Reviewed-by: Brian Foster --- fs/xfs/xfs_itable.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) (limited to 'fs/xfs/xfs_itable.c') diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 18d8d3b812a7..942e4aa5e729 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -167,20 +167,18 @@ xfs_bulkstat_ichunk_ra( { xfs_agblock_t agbno; struct blk_plug plug; - int blks_per_cluster; - int inodes_per_cluster; int i; /* inode chunk index */ agbno = XFS_AGINO_TO_AGBNO(mp, irec->ir_startino); - blks_per_cluster = xfs_icluster_size_fsb(mp); - inodes_per_cluster = XFS_FSB_TO_INO(mp, blks_per_cluster); blk_start_plug(&plug); for (i = 0; i < XFS_INODES_PER_CHUNK; - i += inodes_per_cluster, agbno += blks_per_cluster) { - if (xfs_inobt_maskn(i, inodes_per_cluster) & ~irec->ir_free) { - xfs_btree_reada_bufs(mp, agno, agbno, blks_per_cluster, - &xfs_inode_buf_ops); + i += mp->m_inodes_per_cluster, agbno += mp->m_blocks_per_cluster) { + if (xfs_inobt_maskn(i, mp->m_inodes_per_cluster) & + ~irec->ir_free) { + xfs_btree_reada_bufs(mp, agno, agbno, + mp->m_blocks_per_cluster, + &xfs_inode_buf_ops); } } blk_finish_plug(&plug); -- cgit v1.2.3-55-g7522