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| author | Christoph Hellwig <hch@infradead.org> | 2008-10-30 16:55:23 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@sgi.com> | 2008-10-30 16:55:23 +1100 |
| commit | ce5e42db421a41b1ad0cfd68c6058566b963e14b (patch) | |
| tree | 7723f47e468c6b933a89361462c04436fe617cda /fs/xfs/xfs_btree.c | |
| parent | 8c4ed633e65d0bd0a25d45aad9b4646e3236cad7 (diff) | |
| download | lwn-ce5e42db421a41b1ad0cfd68c6058566b963e14b.tar.gz lwn-ce5e42db421a41b1ad0cfd68c6058566b963e14b.zip | |
[XFS] add get_maxrecs btree operation
Factor xfs_btree_maxrecs into a per-btree operation.
The get_maxrecs method is based on a patch from Dave Chinner.
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32188a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_btree.c')
| -rw-r--r-- | fs/xfs/xfs_btree.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index 966d58d50fad..893e86f2ad57 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -51,31 +51,6 @@ const __uint32_t xfs_magics[XFS_BTNUM_MAX] = { }; /* - * Checking routine: return maxrecs for the block. - */ -STATIC int /* number of records fitting in block */ -xfs_btree_maxrecs( - xfs_btree_cur_t *cur, /* btree cursor */ - xfs_btree_block_t *block) /* generic btree block pointer */ -{ - switch (cur->bc_btnum) { - case XFS_BTNUM_BNO: - case XFS_BTNUM_CNT: - return (int)XFS_ALLOC_BLOCK_MAXRECS( - be16_to_cpu(block->bb_level), cur); - case XFS_BTNUM_BMAP: - return (int)XFS_BMAP_BLOCK_IMAXRECS( - be16_to_cpu(block->bb_level), cur); - case XFS_BTNUM_INO: - return (int)XFS_INOBT_BLOCK_MAXRECS( - be16_to_cpu(block->bb_level), cur); - default: - ASSERT(0); - return 0; - } -} - -/* * External routines. */ @@ -207,7 +182,7 @@ xfs_btree_check_lblock( be32_to_cpu(block->bb_magic) == xfs_magics[cur->bc_btnum] && be16_to_cpu(block->bb_level) == level && be16_to_cpu(block->bb_numrecs) <= - xfs_btree_maxrecs(cur, (xfs_btree_block_t *)block) && + cur->bc_ops->get_maxrecs(cur, level) && block->bb_leftsib && (be64_to_cpu(block->bb_leftsib) == NULLDFSBNO || XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_leftsib))) && @@ -245,7 +220,7 @@ xfs_btree_check_sblock( be32_to_cpu(block->bb_magic) == xfs_magics[cur->bc_btnum] && be16_to_cpu(block->bb_level) == level && be16_to_cpu(block->bb_numrecs) <= - xfs_btree_maxrecs(cur, (xfs_btree_block_t *)block) && + cur->bc_ops->get_maxrecs(cur, level) && (be32_to_cpu(block->bb_leftsib) == NULLAGBLOCK || be32_to_cpu(block->bb_leftsib) < agflen) && block->bb_leftsib && |