linux-kernel - [PATCH] erofs: fix to add missing tracepoint in erofs_read

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Message-ID: <20250708111942.3120926-1-chao@kernel.org>
Date: Tue,  8 Jul 2025 19:19:42 +0800
From: Chao Yu <chao@...nel.org>
To: xiang@...nel.org
Cc: linux-erofs@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org,
	Yue Hu <zbestahu@...il.com>,
	Jeffle Xu <jefflexu@...ux.alibaba.com>,
	Sandeep Dhavale <dhavale@...gle.com>,
	Hongbo Li <lihongbo22@...wei.com>,
	Chao Yu <chao@...nel.org>
Subject: [PATCH] erofs: fix to add missing tracepoint in erofs_read_folio()

Commit 771c994ea51f ("erofs: convert all uncompressed cases to iomap")
converts to use iomap interface, it removed trace_erofs_readpage()
tracepoint in the meantime, let's add it back.

Fixes: 771c994ea51f ("erofs: convert all uncompressed cases to iomap")
Signed-off-by: Chao Yu <chao@...nel.org>
---
 fs/erofs/data.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index 534ac359976e..221e0ff1ed0d 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -351,6 +351,8 @@ int erofs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
  */
 static int erofs_read_folio(struct file *file, struct folio *folio)
 {
+	trace_erofs_read_folio(folio, true);
+
 	return iomap_read_folio(folio, &erofs_iomap_ops);
 }
 
-- 
2.49.0