From: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Wed, 9 Feb 2022 20:21:22 +0000 (+0000)
Subject: iomap: Fix iomap_invalidatepage tracepoint
X-Git-Tag: v5.18-rc1~166^2~52
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=1241ebeca3f94b417751cb3ff62454cefdac75bc;p=linux-block.git

iomap: Fix iomap_invalidatepage tracepoint

This tracepoint is defined to take an offset in the file, not an
offset in the folio.

Fixes: 1ac994525b9d ("iomap: Remove pgoff from tracepoints")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs
---

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 6c51a75d0be6..d020a2e81a24 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -480,7 +480,8 @@ EXPORT_SYMBOL_GPL(iomap_releasepage);
 
 void iomap_invalidate_folio(struct folio *folio, size_t offset, size_t len)
 {
-	trace_iomap_invalidatepage(folio->mapping->host, offset, len);
+	trace_iomap_invalidatepage(folio->mapping->host,
+					folio_pos(folio) + offset, len);
 
 	/*
 	 * If we're invalidating the entire folio, clear the dirty state