f2fs: remove unnecessary threshold

The NM_WOUT_THRESHOLD is now obsolete since f2fs starts to control on a basis
of the memory footprint.

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

1 files changed, 1 insertions, 4 deletions

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index fec4967fb8d2..daf644c57eae 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -224,7 +224,7 @@ int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
 {
         struct f2fs_nm_info *nm_i = NM_I(sbi);
 
-        if (available_free_memory(nm_i, NAT_ENTRIES) || nr_shrink <= 0)
+        if (available_free_memory(nm_i, NAT_ENTRIES))
                 return 0;
 
         write_lock(&nm_i->nat_tree_lock);
@@ -1830,9 +1830,6 @@ flush_now:
         if (!flushed)
                 mutex_unlock(&curseg->curseg_mutex);
         f2fs_put_page(page, 1);
-
-        /* 2) shrink nat caches if necessary */
-        try_to_free_nats(sbi, nm_i->nat_cnt - NM_WOUT_THRESHOLD);
 }
 
 static int init_node_manager(struct f2fs_sb_info *sbi)