[PATCH v4 12/16] ceph: replace PagePrivate() with page_private()

[Zi Yan]

PagePrivate() is going to be removed along with PG_private and its
implementation is the same as page_private().

Assisted-by: LLM
Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
To: Ilya Dryomov <idryomov@xxxxxxxxx>
To: Alex Markuze <amarkuze@xxxxxxxxxx>
To: Viacheslav Dubeyko <slava@xxxxxxxxxxx>
Cc: ceph-devel@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 fs/ceph/addr.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 657c2cb0f8811..1aca181d28c62 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -70,9 +70,7 @@ static int ceph_netfs_check_write_begin(struct file *file, loff_t pos, unsigned
 
 static inline struct ceph_snap_context *page_snap_context(struct page *page)
 {
-	if (PagePrivate(page))
-		return (void *)page->private;
-	return NULL;
+	return (void *)page_private(page);
 }
 
 /*
@@ -124,8 +122,8 @@ static bool ceph_dirty_folio(struct address_space *mapping, struct folio *folio)
 	spin_unlock(&ci->i_ceph_lock);
 
 	/*
-	 * Reference snap context in folio->private.  Also set
-	 * PagePrivate so that we get invalidate_folio callback.
+	 * Reference snap context in folio->private. Setting folio->private is
+	 * what gets us the invalidate_folio callback.
 	 */
 	VM_WARN_ON_FOLIO(folio->private, folio);
 	folio_attach_private(folio, snapc);

-- 
2.53.0