f2fs: start SSR much eariler to avoid FG_GC

This patch initiates SSR much eariler, resulting in less FG_GC.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 5e8ad42..31846b0 100644 (file)
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -495,7 +495,7 @@ static inline bool need_SSR(struct f2fs_sb_info *sbi)
                return false;
 
        return free_sections(sbi) <= (node_secs + 2 * dent_secs + imeta_secs +
-                                               reserved_sections(sbi) + 1);
+                                               2 * reserved_sections(sbi));
 }
 
 static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi,