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| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2018-12-12 08:46:25 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-12-12 08:47:17 -0800 |
| commit | 83dcdb4469e759f984db92616d7885fc14329841 (patch) | |
| tree | e0bafc6d2181267d8794b398eadd9a8fa840d0fd /fs/xfs/xfs_itable.c | |
| parent | xfs: add a block to inode count converter (diff) | |
| download | linux-dev-83dcdb4469e759f984db92616d7885fc14329841.tar.xz linux-dev-83dcdb4469e759f984db92616d7885fc14329841.zip | |
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 <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_itable.c')
| -rw-r--r-- | fs/xfs/xfs_itable.c | 14 |
1 files changed, 6 insertions, 8 deletions
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); |