Matthew Wilcox 962033d55d XArray: Use xa_cmpxchg to implement xa_reserve ...

Jason feels this is clearer, and it saves a function and an exported
symbol.

Suggested-by: Jason Gunthorpe <jgg@ziepe.ca>
Signed-off-by: Matthew Wilcox <willy@infradead.org>

2019-02-20 17:08:54 -05:00

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