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authorDarrick J. Wong <darrick.wong@oracle.com>2016-08-03 11:10:55 +1000
committerDave Chinner <david@fromorbit.com>2016-08-03 11:10:55 +1000
commit28a89567b8bd95f42c17822d276cccb5b085810d (patch)
treeca190ef06cb1c44cab14b72e3f701964e4f880ff /fs/xfs/libxfs/xfs_btree.h
parentxfs: introduce interval queries on btrees (diff)
downloadlinux-dev-28a89567b8bd95f42c17822d276cccb5b085810d.tar.xz
linux-dev-28a89567b8bd95f42c17822d276cccb5b085810d.zip
xfs: refactor btree owner change into a separate visit-blocks function
Refactor the btree_change_owner function into a more generic apparatus which visits all blocks in a btree. We'll use this in a subsequent patch for counting btree blocks for AG reservations. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_btree.h')
-rw-r--r--fs/xfs/libxfs/xfs_btree.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 34c13616d255..69f564029f56 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -536,4 +536,9 @@ int xfs_btree_query_range(struct xfs_btree_cur *cur,
union xfs_btree_irec *low_rec, union xfs_btree_irec *high_rec,
xfs_btree_query_range_fn fn, void *priv);
+typedef int (*xfs_btree_visit_blocks_fn)(struct xfs_btree_cur *cur, int level,
+ void *data);
+int xfs_btree_visit_blocks(struct xfs_btree_cur *cur,
+ xfs_btree_visit_blocks_fn fn, void *data);
+
#endif /* __XFS_BTREE_H__ */