[PATCH 1/5] f2fs: disable roll-forward when active_logs = 2

From: Jaegeuk Kim
Date: Sun Nov 09 2014 - 02:36:19 EST


The roll-forward mechanism should be activated when the number of active
logs is not 2.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/file.c | 2 ++
fs/f2fs/segment.c | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 46311e7..54722a0 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -132,6 +132,8 @@ static inline bool need_do_checkpoint(struct inode *inode)
need_cp = true;
else if (test_opt(sbi, FASTBOOT))
need_cp = true;
+ else if (sbi->active_logs == 2)
+ need_cp = true;

return need_cp;
}
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 2fb3d7f..16721b5d 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1090,8 +1090,8 @@ static int __get_segment_type_4(struct page *page, enum page_type p_type)
else
return CURSEG_COLD_DATA;
} else {
- if (IS_DNODE(page) && !is_cold_node(page))
- return CURSEG_HOT_NODE;
+ if (IS_DNODE(page) && is_cold_node(page))
+ return CURSEG_WARM_NODE;
else
return CURSEG_COLD_NODE;
}
--
2.1.1

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