[PATCH 4/5] f2fs: start SSR much eariler to avoid FG_GC

From: Jaegeuk Kim
Date: Sat Mar 25 2017 - 04:00:19 EST


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

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/segment.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 4d0dd9f7f4ed..57e36c1ce7bd 100644
--- 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,
--
2.11.0