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xfs: define the on-disk refcount btree format

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Start constructing the refcount btree implementation by establishing
the on-disk format and everything needed to read, write, and
manipulate the refcount btree blocks.

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 09:11:18 -07:00
parent af30dfa144
commit 1946b91cee
14 changed files with 319 additions and 11 deletions
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fs/xfs/libxfs/xfs_trans_resv.h
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@@ -102,5 +102,6 @@ struct xfs_trans_resv {
#define XFS_ATTRRM_LOG_COUNT 3
void xfs_trans_resv_calc(struct xfs_mount *mp, struct xfs_trans_resv *resp);
uint xfs_allocfree_log_count(struct xfs_mount *mp, uint num_ops);
#endif /* __XFS_TRANS_RESV_H__ */