This patch avoid to write a new cp if no journal info
Signed-off-by: Yunlei He <heyun...@huawei.com>
---
fsck/mount.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/fsck/mount.c b/fsck/mount.c
index dd7a081..f2055e4 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -1447,7 +1447,7 @@ void rewrite_sit_area_bitmap(struct f2fs_sb_info *sbi)
}
}
-static void flush_sit_journal_entries(struct f2fs_sb_info *sbi)
+static int flush_sit_journal_entries(struct f2fs_sb_info *sbi)
{
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_COLD_DATA);
struct f2fs_journal *journal = &curseg->sum_blk->journal;
@@ -1474,10 +1474,12 @@ static void flush_sit_journal_entries(struct
f2fs_sb_info *sbi)
rewrite_current_sit_page(sbi, segno, sit_blk);
free(sit_blk);
}
+
journal->n_sits = 0;
+ return i;
}
-static void flush_nat_journal_entries(struct f2fs_sb_info *sbi)
+static int flush_nat_journal_entries(struct f2fs_sb_info *sbi)
{
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_HOT_DATA);
struct f2fs_journal *journal = &curseg->sum_blk->journal;
@@ -1491,7 +1493,7 @@ static void flush_nat_journal_entries(struct f2fs_sb_info
*sbi)
next:
if (i >= nats_in_cursum(journal)) {
journal->n_nats = 0;
- return;
+ return i;
}
nid = le32_to_cpu(nid_in_journal(journal, i));
@@ -1515,9 +1517,11 @@ next:
void flush_journal_entries(struct f2fs_sb_info *sbi)
{
- flush_nat_journal_entries(sbi);
- flush_sit_journal_entries(sbi);
- write_checkpoint(sbi);
+ int n_nats = flush_nat_journal_entries(sbi);
+ int n_sits = flush_sit_journal_entries(sbi);
+
+ if (n_nats || n_sits)
+ write_checkpoint(sbi);
}
void flush_sit_entries(struct f2fs_sb_info *sbi)
--
2.10.1
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