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Commit 64d3e9a9 authored by Matthew Wilcox's avatar Matthew Wilcox
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xarray: Step through an XArray



The xas_next and xas_prev functions move the xas index by one position,
and adjust the rest of the iterator state to match it.  This is more
efficient than calling xas_set() as it keeps the iterator at the leaves
of the tree instead of walking the iterator from the root each time.

Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
parent 687149fc
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