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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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3
fs/xfs/xfs_mount.h
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@ -399,6 +399,9 @@ typedef struct xfs_perag {
struct xfs_ag_resv pag_meta_resv;
/* Blocks reserved for just AGFL-based metadata. */
struct xfs_ag_resv pag_agfl_resv;
/* reference count */
__uint8_t pagf_refcount_level;
} xfs_perag_t;
static inline struct xfs_ag_resv *