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Subject[PATCH] f2fs: don't need to collect dirty sit entries and flush journal when there's no dirty sit entries
Date
Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
---
fs/f2fs/segment.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index daee4ab..e7b83b6 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1730,6 +1730,9 @@ void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
mutex_lock(&curseg->curseg_mutex);
mutex_lock(&sit_i->sentry_lock);

+ if (!sit_i->dirty_sentries)
+ goto out;
+
/*
* add and account sit entries of dirty bitmap in sit entry
* set temporarily
@@ -1744,9 +1747,6 @@ void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (!__has_cursum_space(sum, sit_i->dirty_sentries, SIT_JOURNAL))
remove_sits_in_journal(sbi);

- if (!sit_i->dirty_sentries)
- goto out;
-
/*
* there are two steps to flush sit entries:
* #1, flush sit entries to journal in current cold data summary block.
--
1.9.1


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