[PATCH] f2fs: no need to create issue_discard_thread if it exists

[Yunlong Song]

Signed-off-by: Yunlong Song <yunlong.s...@huawei.com>
---
 fs/f2fs/segment.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 4c246e3..b48d004 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1417,6 +1417,8 @@ static int create_discard_cmd_control(struct f2fs_sb_info 
*sbi)
 
        if (SM_I(sbi)->dcc_info) {
                dcc = SM_I(sbi)->dcc_info;
+               if (dcc->f2fs_issue_discard)
+                       return err;
                goto init_thread;
        }
 
-- 
1.8.5.2