block: remove per-queue plugging

[firefly-linux-kernel-4.4.55.git] / include / linux / swap.h

diff --git a/include/linux/swap.h b/include/linux/swap.h
index eba53e71d2ccfa5f678cc8063dd55c0d56ef1dec..9ee321833b21d0dc465f4e8e658f11c13c4f2b07 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -208,6 +208,8 @@ extern unsigned int nr_free_pagecache_pages(void);
 /* linux/mm/swap.c */
 extern void __lru_cache_add(struct page *, enum lru_list lru);
 extern void lru_cache_add_lru(struct page *, enum lru_list lru);
+extern void lru_add_page_tail(struct zone* zone,
+                             struct page *page, struct page *page_tail);
 extern void activate_page(struct page *);
 extern void mark_page_accessed(struct page *);
 extern void lru_add_drain(void);
@@ -297,8 +299,6 @@ extern void mem_cgroup_get_shmem_target(struct inode *inode, pgoff_t pgoff,
                                        struct page **pagep, swp_entry_t *ent);
 #endif
 
-extern void swap_unplug_io_fn(struct backing_dev_info *, struct page *);
-
 #ifdef CONFIG_SWAP
 /* linux/mm/page_io.c */
 extern int swap_readpage(struct page *);