LU-12275 sec: add llcrypt as file encryption library

[fs/lustre-release.git] / contrib / scripts / crypto_patches / 0015_llcrypt_include.patch

diff --git a/contrib/scripts/crypto_patches/0015_llcrypt_include.patch b/contrib/scripts/crypto_patches/0015_llcrypt_include.patch
new file mode 100644 (file)
index 0000000..2ec4552
--- /dev/null
+++ b/contrib/scripts/crypto_patches/0015_llcrypt_include.patch
@@ -0,0 +1,34 @@
+In case llcrypt is not built (CONFIG_LL_ENCRYPTION undefined),
+we need to have stubs for llcrypt init/exit functions.
+
+--- a/libcfs/include/libcfs/crypto/llcrypt.h
++++ b/libcfs/include/libcfs/crypto/llcrypt.h
+@@ -287,6 +287,13 @@ static inline void llcrypt_set_ops(struc
+ }
+ #else  /* !CONFIG_LL_ENCRYPTION */
+ 
++struct llcrypt_operations;
++#define llcrypt_init()         0
++#define llcrypt_exit()         {}
++
++#undef IS_ENCRYPTED
++#define IS_ENCRYPTED(x)       0
++
+ static inline bool llcrypt_has_encryption_key(const struct inode *inode)
+ {
+       return false;
+@@ -554,13 +561,7 @@ static inline int __llcrypt_encrypt_syml
+       return -EOPNOTSUPP;
+ }
+ 
+-static inline const char *llcrypt_get_symlink(struct inode *inode,
+-                                            const void *caddr,
+-                                            unsigned int max_size,
+-                                            struct delayed_call *done)
+-{
+-      return ERR_PTR(-EOPNOTSUPP);
+-}
++#define llcrypt_get_symlink(inode, caddr, max_size, done)   ERR_PTR(-EOPNOTSUPP)
+ 
+ static inline void llcrypt_set_ops(struct super_block *sb,
+                                  const struct llcrypt_operations *lsi_cop)