diff options
| 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_inode.c | |
| parent | 43004b2a8da2652b5ec526269a8acfba7d3d219c (diff) | |
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_inode.c')
| -rw-r--r-- | fs/xfs/xfs_inode.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 801eb891d0fd..ae667ba74a1c 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2184,8 +2184,6 @@ xfs_ifree_cluster( struct xfs_icluster *xic) { xfs_mount_t *mp = free_ip->i_mount; - int blks_per_cluster; - int inodes_per_cluster; int nbufs; int i, j; int ioffset; @@ -2199,11 +2197,9 @@ xfs_ifree_cluster( inum = xic->first_ino; pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, inum)); - blks_per_cluster = xfs_icluster_size_fsb(mp); - inodes_per_cluster = XFS_FSB_TO_INO(mp, blks_per_cluster); - nbufs = mp->m_ialloc_blks / blks_per_cluster; + nbufs = mp->m_ialloc_blks / mp->m_blocks_per_cluster; - for (j = 0; j < nbufs; j++, inum += inodes_per_cluster) { + for (j = 0; j < nbufs; j++, inum += mp->m_inodes_per_cluster) { /* * The allocation bitmap tells us which inodes of the chunk were * physically allocated. Skip the cluster if an inode falls into @@ -2211,7 +2207,7 @@ xfs_ifree_cluster( */ ioffset = inum - xic->first_ino; if ((xic->alloc & XFS_INOBT_MASK(ioffset)) == 0) { - ASSERT(ioffset % inodes_per_cluster == 0); + ASSERT(ioffset % mp->m_inodes_per_cluster == 0); continue; } @@ -2227,7 +2223,7 @@ xfs_ifree_cluster( * to mark all the active inodes on the buffer stale. */ bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno, - mp->m_bsize * blks_per_cluster, + mp->m_bsize * mp->m_blocks_per_cluster, XBF_UNMAPPED); if (!bp) @@ -2274,7 +2270,7 @@ xfs_ifree_cluster( * transaction stale above, which means there is no point in * even trying to lock them. */ - for (i = 0; i < inodes_per_cluster; i++) { + for (i = 0; i < mp->m_inodes_per_cluster; i++) { retry: rcu_read_lock(); ip = radix_tree_lookup(&pag->pag_ici_root, |