fscrypt_is_bounce_folio() is the equivalent of fscrypt_is_bounce_page()
and fscrypt_pagecache_folio() is the equivalent of fscrypt_pagecache_page().
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
---
include/linux/fscrypt.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index a69f1302051d..c895b12737a1 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -273,6 +273,16 @@ static inline struct page *fscrypt_pagecache_page(struct page *bounce_page)
return (struct page *)page_private(bounce_page);
}
+static inline bool fscrypt_is_bounce_folio(struct folio *folio)
+{
+ return folio->mapping == NULL;
+}
+
+static inline struct folio *fscrypt_pagecache_folio(struct folio *bounce_folio)
+{
+ return bounce_folio->private;
+}
+
void fscrypt_free_bounce_page(struct page *bounce_page);
/* policy.c */
@@ -446,6 +456,17 @@ static inline struct page *fscrypt_pagecache_page(struct page *bounce_page)
return ERR_PTR(-EINVAL);
}
+static inline bool fscrypt_is_bounce_folio(struct folio *folio)
+{
+ return false;
+}
+
+static inline struct folio *fscrypt_pagecache_folio(struct folio *bounce_folio)
+{
+ WARN_ON_ONCE(1);
+ return ERR_PTR(-EINVAL);
+}
+
static inline void fscrypt_free_bounce_page(struct page *bounce_page)
{
}
--
2.39.2
