f2fs: trace f2fs_remove_discard
This patch adds tracepoint to trace f2fs_remove_discard.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1bb7417..d661403 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -822,6 +822,8 @@ static void __remove_discard_cmd(struct f2fs_sb_info *sbi,
{
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
+ trace_f2fs_remove_discard(dc->bdev, dc->start, dc->len);
+
f2fs_bug_on(sbi, dc->ref);
if (dc->error == -EOPNOTSUPP)