1 files changed, 17 insertions, 1 deletions
diff --git a/fs/ceph/crypto.h b/fs/ceph/crypto.h
index b735b3f144a7..6afa6d888fe0 100644
--- a/fs/ceph/crypto.h
+++ b/fs/ceph/crypto.h
@@ -164,6 +164,12 @@ int ceph_fscrypt_decrypt_extents(struct inode *inode, struct page **page,
 				 u32 ext_cnt);
 int ceph_fscrypt_encrypt_pages(struct inode *inode, struct page **page, u64 off,
 			       int len, gfp_t gfp);
+
+static inline struct page *ceph_fscrypt_pagecache_page(struct page *page)
+{
+	return fscrypt_is_bounce_page(page) ? fscrypt_pagecache_page(page) : page;
+}
+
 #else /* CONFIG_FS_ENCRYPTION */
 
 static inline void ceph_fscrypt_set_ops(struct super_block *sb)
@@ -267,6 +273,16 @@ static inline int ceph_fscrypt_encrypt_pages(struct inode *inode,
 {
 	return 0;
 }
+
+static inline struct page *ceph_fscrypt_pagecache_page(struct page *page)
+{
+	return page;
+}
 #endif /* CONFIG_FS_ENCRYPTION */
 
-#endif
+static inline loff_t ceph_fscrypt_page_offset(struct page *page)
+{
+	return page_offset(ceph_fscrypt_pagecache_page(page));
+}
+
+#endif /* _CEPH_CRYPTO_H */