Matthew Wilcox 4e99d4e957 xarray: Add xas_for_each_conflict ...

This iterator iterates over each entry that is stored in the index or
indices specified by the xa_state.  This is intended for use for a
conditional store of a multiindex entry, or to allow entries which are
about to be removed from the xarray to be disposed of properly.

Signed-off-by: Matthew Wilcox <willy@infradead.org>

2018-10-21 10:45:59 -04:00

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