fscrypt: move fscrypt_has_encryption_key() to supp/notsupp headers

fscrypt_has_encryption_key() is already split into two versions
depending on whether the filesystem is being built with encryption
support or not.  Move them into the appropriate headers.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index 8641e56..1e2343b 100644 (file)
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -125,11 +125,6 @@ static inline struct page *fscrypt_control_page(struct page *page)
        return ((struct fscrypt_ctx *)page_private(page))->w.control_page;
 }
 
-static inline bool fscrypt_has_encryption_key(const struct inode *inode)
-{
-       return (inode->i_crypt_info != NULL);
-}
-
 #include <linux/fscrypt_supp.h>
 
 #else /* !__FS_HAS_ENCRYPTION */
@@ -140,11 +135,6 @@ static inline struct page *fscrypt_control_page(struct page *page)
        return ERR_PTR(-EINVAL);
 }
 
-static inline bool fscrypt_has_encryption_key(const struct inode *inode)
-{
-       return 0;
-}
-
 #include <linux/fscrypt_notsupp.h>
 #endif /* __FS_HAS_ENCRYPTION */
 

diff --git a/include/linux/fscrypt_notsupp.h b/include/linux/fscrypt_notsupp.h
index c4c6bf2..f8685c2 100644 (file)
--- a/include/linux/fscrypt_notsupp.h
+++ b/include/linux/fscrypt_notsupp.h
@@ -13,6 +13,11 @@
 #ifndef _LINUX_FSCRYPT_NOTSUPP_H
 #define _LINUX_FSCRYPT_NOTSUPP_H
 
+static inline bool fscrypt_has_encryption_key(const struct inode *inode)
+{
+       return false;
+}
+
 /* crypto.c */
 static inline struct fscrypt_ctx *fscrypt_get_ctx(const struct inode *inode,
                                                  gfp_t gfp_flags)

diff --git a/include/linux/fscrypt_supp.h b/include/linux/fscrypt_supp.h
index 2db5e97..1fb73a6 100644 (file)
--- a/include/linux/fscrypt_supp.h
+++ b/include/linux/fscrypt_supp.h
@@ -10,6 +10,11 @@
 #ifndef _LINUX_FSCRYPT_SUPP_H
 #define _LINUX_FSCRYPT_SUPP_H
 
+static inline bool fscrypt_has_encryption_key(const struct inode *inode)
+{
+       return (inode->i_crypt_info != NULL);
+}
+
 /* crypto.c */
 extern struct kmem_cache *fscrypt_info_cachep;
 extern struct fscrypt_ctx *fscrypt_get_ctx(const struct inode *, gfp_t);