linux-kernel - [PATCH 3/3] fs/ceph/addr: use folio_headpage() instead of folio

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Message-Id: <20230106174028.151384-4-sj@kernel.org>
Date:   Fri,  6 Jan 2023 17:40:28 +0000
From:   SeongJae Park <sj@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     willy@...radead.org, Xiubo Li <xiubli@...hat.com>,
        Ilya Dryomov <idryomov@...il.com>,
        Jeff Layton <jlayton@...nel.org>, ceph-devel@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        SeongJae Park <sj@...nel.org>
Subject: [PATCH 3/3] fs/ceph/addr: use folio_headpage() instead of folio_page()

Using 'folio_page(folio, 0)' for getting the head page of a folios is
not the standard idiom and inefficient.  Replace the call in fs/ceph/ to
'folio_headpage()'.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 fs/ceph/addr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 8c74871e37c9..b76e94152b21 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1290,7 +1290,7 @@ static int ceph_netfs_check_write_begin(struct file *file, loff_t pos, unsigned
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_snap_context *snapc;
 
-	snapc = ceph_find_incompatible(folio_page(*foliop, 0));
+	snapc = ceph_find_incompatible(folio_headpage(*foliop));
 	if (snapc) {
 		int r;
 
-- 
2.25.1