[PATCH 2/2] f2fs: optimize build_free_nids()

[Haicheng Li]

When nm_i->fcnt > 2 * MAX_FREE_NIDS, stop scanning other NAT pages.

Signed-off-by: Haicheng Li <haicheng.li@xxxxxxxxxxxxxxx>
---
 fs/f2fs/node.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6276467..31d038f 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1307,7 +1307,7 @@ static void build_free_nids(struct f2fs_sb_info *sbi)
 			nid = 0;
 			is_cycled = true;
 		}
-		if (fcnt > MAX_FREE_NIDS)
+		if (fcnt > MAX_FREE_NIDS || nm_i->fcnt > 2 * MAX_FREE_NIDS)
 			break;
 		if (is_cycled && nm_i->init_scan_nid <= nid)
 			break;
-- 
1.7.9.5

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