[PATCH] Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"

[Jaegeuk Kim]

This patch reverts copied f2fs_set_page_dirty_nobuffer to use generic function
for stability.

This reverts commit fe76b796fc5194cc3d57265002e3a748566d073f.

Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
---
 fs/f2fs/checkpoint.c |  2 +-
 fs/f2fs/data.c       | 33 +--------------------------------
 fs/f2fs/f2fs.h       |  1 -
 fs/f2fs/node.c       |  2 +-
 4 files changed, 3 insertions(+), 35 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 2e23b953d304..8fc55d42ba25 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -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);
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index d32bf363cb60..5477fc09c3cd 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -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;
        }
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 0c72908f3185..9f2bc78a9f5b 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -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);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index f202398e20ea..ae83ca9d2d31 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -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);
-- 
2.17.0.484.g0c8726318c-goog