summaryrefslogtreecommitdiffstats
path: root/fs/xfs/libxfs/xfs_ialloc_btree.h
diff options
context:
space:
mode:
authorDarrick J. Wong <darrick.wong@oracle.com>2018-05-09 10:02:01 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-05-15 17:57:05 -0700
commit14861c47400b4a1669956d8b027fe4b7855e39f1 (patch)
tree43c5f049a512128ed99e054fb94e10fea0b37e1c /fs/xfs/libxfs/xfs_ialloc_btree.h
parent9d9c90286a74decf11caa9dd625f862ae0257ce0 (diff)
downloadlinux-14861c47400b4a1669956d8b027fe4b7855e39f1.tar.gz
linux-14861c47400b4a1669956d8b027fe4b7855e39f1.tar.bz2
linux-14861c47400b4a1669956d8b027fe4b7855e39f1.zip
xfs: add helpers to calculate btree size
Add a bunch of helper functions that calculate the sizes of various btrees. These will be used to repair btrees and btree headers. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_ialloc_btree.h')
-rw-r--r--fs/xfs/libxfs/xfs_ialloc_btree.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.h b/fs/xfs/libxfs/xfs_ialloc_btree.h
index aa81e2e63f3f..4acdd5458d59 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.h
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.h
@@ -74,5 +74,7 @@ int xfs_inobt_rec_check_count(struct xfs_mount *,
int xfs_finobt_calc_reserves(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_extlen_t *ask, xfs_extlen_t *used);
+extern xfs_extlen_t xfs_iallocbt_calc_size(struct xfs_mount *mp,
+ unsigned long long len);
#endif /* __XFS_IALLOC_BTREE_H__ */