Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"

index 2e23b953d304..8fc55d42ba25 100644
@@ -384,7 +384,7 @@ static int f2fs_set_meta_page_dirty(struct page *page)
 	if (!PageUptodate(page))
 		SetPageUptodate(page);
 	if (!PageDirty(page)) {
-		f2fs_set_page_dirty_nobuffers(page);
+		__set_page_dirty_nobuffers(page);
 		inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
 		SetPagePrivate(page);
 		f2fs_trace_pid(page);

index d32bf363cb60..5477fc09c3cd 100644
@@ -19,8 +19,6 @@
 #include <linux/bio.h>
 #include <linux/prefetch.h>
 #include <linux/uio.h>
-#include <linux/mm.h>
-#include <linux/memcontrol.h>
 #include <linux/cleancache.h>
 #include <linux/sched/signal.h>
 

@@ -2471,35 +2469,6 @@ int f2fs_release_page(struct page *page, gfp_t wait)
 	return 1;
 }
 
-/*
- * This was copied from __set_page_dirty_buffers which gives higher performance
- * in very high speed storages. (e.g., pmem)
- */
-void f2fs_set_page_dirty_nobuffers(struct page *page)
-{
-	struct address_space *mapping = page->mapping;
-	unsigned long flags;
-
-	if (unlikely(!mapping))
-		return;
-
-	spin_lock(&mapping->private_lock);
-	lock_page_memcg(page);
-	SetPageDirty(page);
-	spin_unlock(&mapping->private_lock);
-
-	xa_lock_irqsave(&mapping->i_pages, flags);
-	WARN_ON_ONCE(!PageUptodate(page));
-	account_page_dirtied(page, mapping);
-	radix_tree_tag_set(&mapping->i_pages,
-			page_index(page), PAGECACHE_TAG_DIRTY);
-	xa_unlock_irqrestore(&mapping->i_pages, flags);
-	unlock_page_memcg(page);
-
-	__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
-	return;
-}
-
 static int f2fs_set_data_page_dirty(struct page *page)
 {
 	struct address_space *mapping = page->mapping;

@@ -2523,7 +2492,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
 	}
 
 	if (!PageDirty(page)) {
-		f2fs_set_page_dirty_nobuffers(page);
+		__set_page_dirty_nobuffers(page);
 		update_dirty_page(inode, page);
 		return 1;
 	}

index 0c72908f3185..9f2bc78a9f5b 100644
@@ -2939,7 +2939,6 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 			u64 start, u64 len);
 bool should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
 bool should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
-void f2fs_set_page_dirty_nobuffers(struct page *page);
 int __f2fs_write_data_pages(struct address_space *mapping,
 						struct writeback_control *wbc,
 						enum iostat_type io_type);

index f202398e20ea..ae83ca9d2d31 100644
@@ -1753,7 +1753,7 @@ static int f2fs_set_node_page_dirty(struct page *page)
 	if (!PageUptodate(page))
 		SetPageUptodate(page);
 	if (!PageDirty(page)) {
-		f2fs_set_page_dirty_nobuffers(page);
+		__set_page_dirty_nobuffers(page);
 		inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
 		SetPagePrivate(page);
 		f2fs_trace_pid(page);