1 files changed, 15 insertions, 12 deletions

diff --git a/fs/ceph/crypto.c b/fs/ceph/crypto.c
index f704b3b62424..a3e627f63293 100644
--- a/fs/ceph/crypto.c
+++ b/fs/ceph/crypto.c
@@ -75,10 +75,11 @@ static struct crypto_blkcipher *ceph_crypto_alloc_cipher(void)
         return crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
 }
 
-const u8 *aes_iv = "cephsageyudagreg";
+static const u8 *aes_iv = (u8 *)CEPH_AES_IV;
 
-int ceph_aes_encrypt(const void *key, int key_len, void *dst, size_t *dst_len,
-                     const void *src, size_t src_len)
+static int ceph_aes_encrypt(const void *key, int key_len,
+                            void *dst, size_t *dst_len,
+                            const void *src, size_t src_len)
 {
         struct scatterlist sg_in[2], sg_out[1];
         struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@@ -126,9 +127,10 @@ int ceph_aes_encrypt(const void *key, int key_len, void *dst, size_t *dst_len,
         return 0;
 }
 
-int ceph_aes_encrypt2(const void *key, int key_len, void *dst, size_t *dst_len,
-                      const void *src1, size_t src1_len,
-                      const void *src2, size_t src2_len)
+static int ceph_aes_encrypt2(const void *key, int key_len, void *dst,
+                             size_t *dst_len,
+                             const void *src1, size_t src1_len,
+                             const void *src2, size_t src2_len)
 {
         struct scatterlist sg_in[3], sg_out[1];
         struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@@ -179,8 +181,9 @@ int ceph_aes_encrypt2(const void *key, int key_len, void *dst, size_t *dst_len,
         return 0;
 }
 
-int ceph_aes_decrypt(const void *key, int key_len, void *dst, size_t *dst_len,
-                     const void *src, size_t src_len)
+static int ceph_aes_decrypt(const void *key, int key_len,
+                            void *dst, size_t *dst_len,
+                            const void *src, size_t src_len)
 {
         struct scatterlist sg_in[1], sg_out[2];
         struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
@@ -238,10 +241,10 @@ int ceph_aes_decrypt(const void *key, int key_len, void *dst, size_t *dst_len,
         return 0;
 }
 
-int ceph_aes_decrypt2(const void *key, int key_len,
-                      void *dst1, size_t *dst1_len,
-                      void *dst2, size_t *dst2_len,
-                      const void *src, size_t src_len)
+static int ceph_aes_decrypt2(const void *key, int key_len,
+                             void *dst1, size_t *dst1_len,
+                             void *dst2, size_t *dst2_len,
+                             const void *src, size_t src_len)
 {
         struct scatterlist sg_in[1], sg_out[3];
         struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();