xarray: Add definition of struct xarray
This is a direct replacement for struct radix_tree_root. Some of the struct members have changed name; convert those, and use a #define so that radix_tree users continue to work without change. Signed-off-by: NMatthew Wilcox <willy@infradead.org> Reviewed-by: NJosef Bacik <jbacik@fb.com>
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lib/xarray.c
0 → 100644
tools/testing/radix-tree/xarray.c
0 → 100644
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