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idr: implement idr_preload[_end]() and idr_alloc()
[firefly-linux-kernel-4.4.55.git]
/
include
/
linux
/
pagemap.h
diff --git
a/include/linux/pagemap.h
b/include/linux/pagemap.h
index 6da609d14c159346255e144fe4ab5991e3501046..0e38e13eb2498360b12a0662e994a0d7f9a7af31 100644
(file)
--- a/
include/linux/pagemap.h
+++ b/
include/linux/pagemap.h
@@
-414,6
+414,7
@@
static inline void wait_on_page_writeback(struct page *page)
}
extern void end_page_writeback(struct page *page);
+void wait_for_stable_page(struct page *page);
/*
* Add an arbitrary waiter to a page's wait queue