diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-12-12 17:46:25 +0100 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-12-12 17:47:17 +0100 |
| commit | c1b4a321ede083521b91c314e1c4fa233ac33740 (patch) | |
| tree | 7fbf9f0bd0191eda2c268ce3bc8aaa2131823d33 /fs/xfs/libxfs | |
| parent | xfs: precalculate inodes and blocks per inode cluster (diff) | |
| download | linux-c1b4a321ede083521b91c314e1c4fa233ac33740.tar.xz linux-c1b4a321ede083521b91c314e1c4fa233ac33740.zip | |
xfs: precalculate cluster alignment in inodes and blocks
Store the inode cluster alignment information in units of inodes and
blocks 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/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ialloc.c | 8 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_types.c | 5 |
2 files changed, 6 insertions, 7 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c index c7b2579a8e73..d32152fc8a6c 100644 --- a/fs/xfs/libxfs/xfs_ialloc.c +++ b/fs/xfs/libxfs/xfs_ialloc.c @@ -690,7 +690,7 @@ xfs_ialloc_ag_alloc( * but not to use them in the actual exact allocation. */ args.alignment = 1; - args.minalignslop = xfs_ialloc_cluster_alignment(args.mp) - 1; + args.minalignslop = args.mp->m_cluster_align - 1; /* Allow space for the inode btree to split. */ args.minleft = args.mp->m_in_maxlevels - 1; @@ -725,7 +725,7 @@ xfs_ialloc_ag_alloc( args.alignment = args.mp->m_dalign; isaligned = 1; } else - args.alignment = xfs_ialloc_cluster_alignment(args.mp); + args.alignment = args.mp->m_cluster_align; /* * Need to figure out where to allocate the inode blocks. * Ideally they should be spaced out through the a.g. @@ -754,7 +754,7 @@ xfs_ialloc_ag_alloc( args.type = XFS_ALLOCTYPE_NEAR_BNO; args.agbno = be32_to_cpu(agi->agi_root); args.fsbno = XFS_AGB_TO_FSB(args.mp, agno, args.agbno); - args.alignment = xfs_ialloc_cluster_alignment(args.mp); + args.alignment = args.mp->m_cluster_align; if ((error = xfs_alloc_vextent(&args))) return error; } @@ -1017,7 +1017,7 @@ xfs_ialloc_ag_select( */ ineed = mp->m_ialloc_min_blks; if (flags && ineed > 1) - ineed += xfs_ialloc_cluster_alignment(mp); + ineed += mp->m_cluster_align; longest = pag->pagf_longest; if (!longest) longest = pag->pagf_flcount > 0; diff --git a/fs/xfs/libxfs/xfs_types.c b/fs/xfs/libxfs/xfs_types.c index 895c232d63b7..3306fc42cfad 100644 --- a/fs/xfs/libxfs/xfs_types.c +++ b/fs/xfs/libxfs/xfs_types.c @@ -87,15 +87,14 @@ xfs_agino_range( * Calculate the first inode, which will be in the first * cluster-aligned block after the AGFL. */ - bno = round_up(XFS_AGFL_BLOCK(mp) + 1, - xfs_ialloc_cluster_alignment(mp)); + bno = round_up(XFS_AGFL_BLOCK(mp) + 1, mp->m_cluster_align); *first = XFS_AGB_TO_AGINO(mp, bno); /* * Calculate the last inode, which will be at the end of the * last (aligned) cluster that can be allocated in the AG. */ - bno = round_down(eoag, xfs_ialloc_cluster_alignment(mp)); + bno = round_down(eoag, mp->m_cluster_align); *last = XFS_AGB_TO_AGINO(mp, bno) - 1; } |