XArray: Test two more things about xa_cmpxchg

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1. If we xa_cmpxchg() an entry in, it marks the index as not free.
2. If we xa_cmpxchg() NULL in, it marks the index as free.

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

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Matthew Wilcox (Oracle) 2020-03-31 14:23:59 -04:00

parent a219b856a2

commit 062b735912

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lib/test_xarray.c

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