This issue was found when I use ebpf to trace every jbd2 handle's running info in dioread_nolock case. Signed-off-by: Xiaoguang Wang <xiaoguang.wang@xxxxxxxxxxxxxxxxx> --- fs/jbd2/transaction.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 990e7b5062e7..afc06daee5bb 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -569,6 +569,9 @@ int jbd2_journal_start_reserved(handle_t *handle, unsigned int type, } handle->h_type = type; handle->h_line_no = line_no; + trace_jbd2_handle_start(journal->j_fs_dev->bd_dev, + handle->h_transaction->t_tid, type, + line_no, handle->h_buffer_credits); return 0; } EXPORT_SYMBOL(jbd2_journal_start_reserved); -- 2.17.2
