From c3ac3c331d6cc495be9603404799c061d71af44c Mon Sep 17 00:00:00 2001 From: Xiaoguang Wang Date: Sat, 24 Aug 2019 23:10:17 -0400 Subject: [PATCH 2071/2944] jbd2: add missing tracepoint for reserved handle fix #30604788 commit 4c273352bb4583750bf511fe24fe410610414496 upstream. 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 Signed-off-by: Theodore Ts'o Acked-by: Joseph Qi --- fs/jbd2/transaction.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 916c8af..b5f0151 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -543,6 +543,9 @@ 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); -- 1.8.3.1