提交 560d454b 编写于 作者: M Matthew Wilcox

mm: Convert __do_page_cache_readahead to XArray

This one is trivial.
Signed-off-by: NMatthew Wilcox <willy@infradead.org>
上级 4e17ec25
...@@ -176,9 +176,7 @@ unsigned int __do_page_cache_readahead(struct address_space *mapping, ...@@ -176,9 +176,7 @@ unsigned int __do_page_cache_readahead(struct address_space *mapping,
if (page_offset > end_index) if (page_offset > end_index)
break; break;
rcu_read_lock(); page = xa_load(&mapping->i_pages, page_offset);
page = radix_tree_lookup(&mapping->i_pages, page_offset);
rcu_read_unlock();
if (page && !xa_is_value(page)) { if (page && !xa_is_value(page)) {
/* /*
* Page already present? Kick off the current batch of * Page already present? Kick off the current batch of
......
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