jbd2: add missing tracepoint for reserved handle

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@linux.alibaba.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 990e7b5062e7485f79db417459dcd15e27081a07..afc06daee5bb05dd0264188dfa12b156788f857c 100644 (file)
--- 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);