netdev - [PATCH v4 02/33] netfs: Remove call to folio

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Message-ID: <20241108173236.1382366-3-dhowells@redhat.com>
Date: Fri,  8 Nov 2024 17:32:03 +0000
From: David Howells <dhowells@...hat.com>
To: Christian Brauner <christian@...uner.io>,
	Steve French <smfrench@...il.com>,
	Matthew Wilcox <willy@...radead.org>
Cc: David Howells <dhowells@...hat.com>,
	Jeff Layton <jlayton@...nel.org>,
	Gao Xiang <hsiangkao@...ux.alibaba.com>,
	Dominique Martinet <asmadeus@...ewreck.org>,
	Marc Dionne <marc.dionne@...istor.com>,
	Paulo Alcantara <pc@...guebit.com>,
	Shyam Prasad N <sprasad@...rosoft.com>,
	Tom Talpey <tom@...pey.com>,
	Eric Van Hensbergen <ericvh@...nel.org>,
	Ilya Dryomov <idryomov@...il.com>,
	netfs@...ts.linux.dev,
	linux-afs@...ts.infradead.org,
	linux-cifs@...r.kernel.org,
	linux-nfs@...r.kernel.org,
	ceph-devel@...r.kernel.org,
	v9fs@...ts.linux.dev,
	linux-erofs@...ts.ozlabs.org,
	linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Christian Brauner <brauner@...nel.org>
Subject: [PATCH v4 02/33] netfs: Remove call to folio_index()

From: "Matthew Wilcox (Oracle)" <willy@...radead.org>

Calling folio_index() is pointless overhead; directly dereferencing
folio->index is fine.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
Link: https://lore.kernel.org/r/20241005182307.3190401-2-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@...nel.org>
---
 include/trace/events/netfs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/events/netfs.h b/include/trace/events/netfs.h
index 69975c9c6823..bf511bca896e 100644
--- a/include/trace/events/netfs.h
+++ b/include/trace/events/netfs.h
@@ -450,7 +450,7 @@ TRACE_EVENT(netfs_folio,
 		    struct address_space *__m = READ_ONCE(folio->mapping);
 		    __entry->ino = __m ? __m->host->i_ino : 0;
 		    __entry->why = why;
-		    __entry->index = folio_index(folio);
+		    __entry->index = folio->index;
 		    __entry->nr = folio_nr_pages(folio);
 			   ),