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 11:51:22 -05:00
parent b38f6c5027
commit 962033d55d
3 changed files with 3 additions and 59 deletions
--- a/Documentation/core-api/xarray.rst
+++ b/Documentation/core-api/xarray.rst
@@ -215,7 +215,6 @@ Assumes xa_lock held on entry:
 * :c:func:`__xa_erase`
 * :c:func:`__xa_cmpxchg`
 * :c:func:`__xa_alloc`
- * :c:func:`__xa_reserve`
 * :c:func:`__xa_set_mark`
 * :c:func:`__xa_clear_mark`