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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:18 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:18 -0700 |
| commit | 1946b91cee4fc8ae25450673e4d4f35e9b462e9e (patch) | |
| tree | e9cc737943e4e7b76c01cab92f88a6c49b49dc43 /fs/xfs/xfs_mount.h | |
| parent | af30dfa14411e9df0e69c6e46e8c6c467b88229d (diff) | |
| download | lwn-1946b91cee4fc8ae25450673e4d4f35e9b462e9e.tar.gz lwn-1946b91cee4fc8ae25450673e4d4f35e9b462e9e.zip | |
xfs: define the on-disk refcount btree format
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>
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 8fab4962c4f1..0be14a76216a 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -124,10 +124,13 @@ typedef struct xfs_mount { uint m_inobt_mnr[2]; /* min inobt btree records */ uint m_rmap_mxr[2]; /* max rmap btree records */ uint m_rmap_mnr[2]; /* min rmap btree records */ + uint m_refc_mxr[2]; /* max refc btree records */ + uint m_refc_mnr[2]; /* min refc btree records */ uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ uint m_in_maxlevels; /* max inobt btree levels. */ uint m_rmap_maxlevels; /* max rmap btree levels */ + uint m_refc_maxlevels; /* max refcount btree level */ xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */ uint m_alloc_set_aside; /* space we can't use */ uint m_ag_max_usable; /* max space per AG */ |