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authorWanpeng Li <wanpeng.li@linux.intel.com>2015-02-27 09:52:50 +0100
committerJaegeuk Kim <jaegeuk@kernel.org>2015-04-11 00:08:29 +0200
commit2b11a74b21b040270d19fc3b61265c75413c0dc1 (patch)
tree17f34878bbaf99ca57fff2d085173dda954b2009 /fs/f2fs
parentf2fs: fix block_ops trace point (diff)
downloadlinux-2b11a74b21b040270d19fc3b61265c75413c0dc1.tar.xz
linux-2b11a74b21b040270d19fc3b61265c75413c0dc1.zip
f2fs: don't need to collect dirty sit entries and flush journal when there's no dirty sit entries
Don't need to collect dirty sit entries and flush sit journal to sit entries when there's no dirty sit entries. This patch check dirty_sentries earlier just like flush_nat_entries. Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 29c04edcb843..1e909340842a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1733,6 +1733,9 @@ 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
@@ -1747,9 +1750,6 @@ 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.