diff mbox series

jbd2: add missing tracepoint for reserved handle

Message ID 20190815134446.28547-1-xiaoguang.wang@linux.alibaba.com
State Accepted, archived
Headers show
Series jbd2: add missing tracepoint for reserved handle | expand

Commit Message

Xiaoguang Wang Aug. 15, 2019, 1:44 p.m. UTC 
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>
---
 fs/jbd2/transaction.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Theodore Ts'o Aug. 25, 2019, 3:12 a.m. UTC | #1 
On Thu, Aug 15, 2019 at 09:44:46PM +0800, Xiaoguang Wang wrote:
> 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>

Thanks, applied.

						- Ted
diff mbox series

Patch

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);