f2fs: adjust free mem size to flush dentry blocks

If so many dirty dentry blocks are cached, not reached to the flush condition,
we should fall into livelock in balance_dirty_pages.
So, let's consider the mem size for the condition.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 41bb65b1c97d..a076c88bdca5 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -83,9 +83,10 @@ static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne,
         raw_ne->version = ni->version;
 }
 
-enum nid_type {
+enum mem_type {
         FREE_NIDS,      /* indicates the free nid list */
-        NAT_ENTRIES     /* indicates the cached nat entry */
+        NAT_ENTRIES,    /* indicates the cached nat entry */
+        DIRTY_DENTS     /* indicates dirty dentry pages */
 };
 
 /*