1 files changed, 25 insertions, 1 deletions

diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index d4d1f636fe1c..1f4f9d4569d9 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -25,6 +25,9 @@
 /* control the memory footprint threshold (10MB per 1GB ram) */
 #define DEF_RAM_THRESHOLD       10
 
+/* control dirty nats ratio threshold (default: 10% over max nid count) */
+#define DEF_DIRTY_NAT_RATIO_THRESHOLD           10
+
 /* vector size for gang look-up from nat cache that consists of radix tree */
 #define NATVEC_SIZE     64
 #define SETVEC_SIZE     32
@@ -117,6 +120,12 @@ static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne,
         raw_ne->version = ni->version;
 }
 
+static inline bool excess_dirty_nats(struct f2fs_sb_info *sbi)
+{
+        return NM_I(sbi)->dirty_nat_cnt >= NM_I(sbi)->max_nid *
+                                        NM_I(sbi)->dirty_nats_ratio / 100;
+}
+
 enum mem_type {
         FREE_NIDS,      /* indicates the free nid list */
         NAT_ENTRIES,    /* indicates the cached nat entry */
@@ -321,7 +330,7 @@ static inline int set_nid(struct page *p, int off, nid_t nid, bool i)
 {
         struct f2fs_node *rn = F2FS_NODE(p);
 
-        f2fs_wait_on_page_writeback(p, NODE);
+        f2fs_wait_on_page_writeback(p, NODE, true);
 
         if (i)
                 rn->i.i_nid[off - NODE_DIR1_BLOCK] = cpu_to_le32(nid);
@@ -370,6 +379,21 @@ static inline int is_node(struct page *page, int type)
 #define is_fsync_dnode(page)    is_node(page, FSYNC_BIT_SHIFT)
 #define is_dent_dnode(page)     is_node(page, DENT_BIT_SHIFT)
 
+static inline int is_inline_node(struct page *page)
+{
+        return PageChecked(page);
+}
+
+static inline void set_inline_node(struct page *page)
+{
+        SetPageChecked(page);
+}
+
+static inline void clear_inline_node(struct page *page)
+{
+        ClearPageChecked(page);
+}
+
 static inline void set_cold_node(struct inode *inode, struct page *page)
 {
         struct f2fs_node *rn = F2FS_NODE(page);