linux-kernel - [PATCH AUTOSEL 4.19 1/8] f2fs: Fix f2fs_truncate_partial

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Message-Id: <20230406113400.649038-1-sashal@kernel.org>
Date:   Thu,  6 Apr 2023 07:33:53 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Douglas Raillard <douglas.raillard@....com>,
        Mukesh Ojha <quic_mojha@...cinc.com>,
        Chao Yu <chao@...nel.org>, Jaegeuk Kim <jaegeuk@...nel.org>,
        Sasha Levin <sashal@...nel.org>, rostedt@...dmis.org,
        mhiramat@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-trace-kernel@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 1/8] f2fs: Fix f2fs_truncate_partial_nodes ftrace event

From: Douglas Raillard <douglas.raillard@....com>

[ Upstream commit 0b04d4c0542e8573a837b1d81b94209e48723b25 ]

Fix the nid_t field so that its size is correctly reported in the text
format embedded in trace.dat files. As it stands, it is reported as
being of size 4:

        field:nid_t nid[3];     offset:24;      size:4; signed:0;

Instead of 12:

        field:nid_t nid[3];     offset:24;      size:12;        signed:0;

This also fixes the reported offset of subsequent fields so that they
match with the actual struct layout.

Signed-off-by: Douglas Raillard <douglas.raillard@....com>
Reviewed-by: Mukesh Ojha <quic_mojha@...cinc.com>
Reviewed-by: Chao Yu <chao@...nel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/trace/events/f2fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 52e6456bdb922..098d6dff20bef 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -498,7 +498,7 @@ TRACE_EVENT(f2fs_truncate_partial_nodes,
 	TP_STRUCT__entry(
 		__field(dev_t,	dev)
 		__field(ino_t,	ino)
-		__field(nid_t,	nid[3])
+		__array(nid_t,	nid, 3)
 		__field(int,	depth)
 		__field(int,	err)
 	),
-- 
2.39.2