erofs: fix to add missing tracepoint in erofs_read_folio()

[PATCH] erofs: fix to add missing tracepoint in erofs_read_folio()

Posted by Chao Yu 3 months ago

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@kernel.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

Re: [PATCH] erofs: fix to add missing tracepoint in erofs_read_folio()

Posted by Gao Xiang 3 months ago


On 2025/7/8 19:19, Chao Yu wrote:
> 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@kernel.org>

Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Thanks,
Gao Xiang