f2fs: fix to account preflush command for noflush_merge mode

Previously, we only account preflush command for flush_merge mode,
so for noflush_merge mode, we can not know in-flight preflush
command count, fix it.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 6edcf8391dd3..d161f5a8b3d6 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -620,7 +620,9 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino)
                 return 0;
 
         if (!test_opt(sbi, FLUSH_MERGE)) {
+                atomic_inc(&fcc->issing_flush);
                 ret = submit_flush_wait(sbi, ino);
+                atomic_dec(&fcc->issing_flush);
                 atomic_inc(&fcc->issued_flush);
                 return ret;
         }