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xfs: introduce refcount btree definitions

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Add new per-AG refcount btree definitions to the per-AG structures.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2016-10-03 09:11:16 -07:00
parent c75c752d03
commit 46eeb521b9
11 changed files with 93 additions and 10 deletions
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5
fs/xfs/libxfs/xfs_btree.c
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@ -45,9 +45,10 @@ kmem_zone_t *xfs_btree_cur_zone;
*/
static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = {
{ XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, 0, XFS_BMAP_MAGIC, XFS_IBT_MAGIC,
XFS_FIBT_MAGIC },
XFS_FIBT_MAGIC, 0 },
{ XFS_ABTB_CRC_MAGIC, XFS_ABTC_CRC_MAGIC, XFS_RMAP_CRC_MAGIC,
XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC }
XFS_BMAP_CRC_MAGIC, XFS_IBT_CRC_MAGIC, XFS_FIBT_CRC_MAGIC,
XFS_REFC_CRC_MAGIC }
};
#define xfs_btree_magic(cur) \
xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum]