[PATCH] f2fs: use SSR for warm node as well
From: Jaegeuk Kim
Date: Tue Feb 14 2017 - 22:32:51 EST
We have had node chains, but haven't used it so far due to stale node blocks.
Now, we have crc|cp_ver in node footer and give random cp_ver at format time,
we can start to use it again.
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/segment.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index b2e0769a09d0..0b42b0cdd674 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1563,7 +1563,8 @@ static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
if (force)
new_curseg(sbi, type, true);
- else if (type == CURSEG_WARM_NODE)
+ else if (!is_set_ckpt_flags(sbi, CP_CRC_RECOVERY_FLAG) &&
+ type == CURSEG_WARM_NODE)
new_curseg(sbi, type, false);
else if (curseg->alloc_type == LFS && is_next_segment_free(sbi, type))
new_curseg(sbi, type, false);
--
2.11.0