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-rw-r--r--block/crypto.c6
-rw-r--r--crypto/block-luks.c13
-rw-r--r--include/crypto/block.h6
-rw-r--r--tests/test-crypto-block.c6
4 files changed, 17 insertions, 14 deletions
diff --git a/block/crypto.c b/block/crypto.c
index 6828180840..10e5ddccaa 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -56,10 +56,10 @@ static int block_crypto_probe_generic(QCryptoBlockFormat format,
 
 
 static ssize_t block_crypto_read_func(QCryptoBlock *block,
-                                      void *opaque,
                                       size_t offset,
                                       uint8_t *buf,
                                       size_t buflen,
+                                      void *opaque,
                                       Error **errp)
 {
     BlockDriverState *bs = opaque;
@@ -83,10 +83,10 @@ struct BlockCryptoCreateData {
 
 
 static ssize_t block_crypto_write_func(QCryptoBlock *block,
-                                       void *opaque,
                                        size_t offset,
                                        const uint8_t *buf,
                                        size_t buflen,
+                                       void *opaque,
                                        Error **errp)
 {
     struct BlockCryptoCreateData *data = opaque;
@@ -102,8 +102,8 @@ static ssize_t block_crypto_write_func(QCryptoBlock *block,
 
 
 static ssize_t block_crypto_init_func(QCryptoBlock *block,
-                                      void *opaque,
                                       size_t headerlen,
+                                      void *opaque,
                                       Error **errp)
 {
     struct BlockCryptoCreateData *data = opaque;
diff --git a/crypto/block-luks.c b/crypto/block-luks.c
index d5a31bbaeb..2b97d89a69 100644
--- a/crypto/block-luks.c
+++ b/crypto/block-luks.c
@@ -473,9 +473,9 @@ qcrypto_block_luks_load_key(QCryptoBlock *block,
      * then encrypted.
      */
     rv = readfunc(block,
-                  opaque,
                   slot->key_offset * QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
                   splitkey, splitkeylen,
+                  opaque,
                   errp);
     if (rv < 0) {
         goto cleanup;
@@ -676,9 +676,10 @@ qcrypto_block_luks_open(QCryptoBlock *block,
 
     /* Read the entire LUKS header, minus the key material from
      * the underlying device */
-    rv = readfunc(block, opaque, 0,
+    rv = readfunc(block, 0,
                   (uint8_t *)&luks->header,
                   sizeof(luks->header),
+                  opaque,
                   errp);
     if (rv < 0) {
         ret = rv;
@@ -1245,7 +1246,7 @@ qcrypto_block_luks_create(QCryptoBlock *block,
         QCRYPTO_BLOCK_LUKS_SECTOR_SIZE;
 
     /* Reserve header space to match payload offset */
-    initfunc(block, opaque, block->payload_offset, &local_err);
+    initfunc(block, block->payload_offset, opaque, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         goto error;
@@ -1267,9 +1268,10 @@ qcrypto_block_luks_create(QCryptoBlock *block,
 
 
     /* Write out the partition header and key slot headers */
-    writefunc(block, opaque, 0,
+    writefunc(block, 0,
               (const uint8_t *)&luks->header,
               sizeof(luks->header),
+              opaque,
               &local_err);
 
     /* Delay checking local_err until we've byte-swapped */
@@ -1295,10 +1297,11 @@ qcrypto_block_luks_create(QCryptoBlock *block,
 
     /* Write out the master key material, starting at the
      * sector immediately following the partition header. */
-    if (writefunc(block, opaque,
+    if (writefunc(block,
                   luks->header.key_slots[0].key_offset *
                   QCRYPTO_BLOCK_LUKS_SECTOR_SIZE,
                   splitkey, splitkeylen,
+                  opaque,
                   errp) != splitkeylen) {
         goto error;
     }
diff --git a/include/crypto/block.h b/include/crypto/block.h
index 4a053a3ffa..013a435f1b 100644
--- a/include/crypto/block.h
+++ b/include/crypto/block.h
@@ -30,22 +30,22 @@ typedef struct QCryptoBlock QCryptoBlock;
  * and QCryptoBlockOpenOptions in qapi/crypto.json */
 
 typedef ssize_t (*QCryptoBlockReadFunc)(QCryptoBlock *block,
-                                        void *opaque,
                                         size_t offset,
                                         uint8_t *buf,
                                         size_t buflen,
+                                        void *opaque,
                                         Error **errp);
 
 typedef ssize_t (*QCryptoBlockInitFunc)(QCryptoBlock *block,
-                                        void *opaque,
                                         size_t headerlen,
+                                        void *opaque,
                                         Error **errp);
 
 typedef ssize_t (*QCryptoBlockWriteFunc)(QCryptoBlock *block,
-                                         void *opaque,
                                          size_t offset,
                                          const uint8_t *buf,
                                          size_t buflen,
+                                         void *opaque,
                                          Error **errp);
 
 /**
diff --git a/tests/test-crypto-block.c b/tests/test-crypto-block.c
index 85e6603d59..95c4bd5da3 100644
--- a/tests/test-crypto-block.c
+++ b/tests/test-crypto-block.c
@@ -187,10 +187,10 @@ static struct QCryptoBlockTestData {
 
 
 static ssize_t test_block_read_func(QCryptoBlock *block,
-                                    void *opaque,
                                     size_t offset,
                                     uint8_t *buf,
                                     size_t buflen,
+                                    void *opaque,
                                     Error **errp)
 {
     Buffer *header = opaque;
@@ -204,8 +204,8 @@ static ssize_t test_block_read_func(QCryptoBlock *block,
 
 
 static ssize_t test_block_init_func(QCryptoBlock *block,
-                                    void *opaque,
                                     size_t headerlen,
+                                    void *opaque,
                                     Error **errp)
 {
     Buffer *header = opaque;
@@ -219,10 +219,10 @@ static ssize_t test_block_init_func(QCryptoBlock *block,
 
 
 static ssize_t test_block_write_func(QCryptoBlock *block,
-                                     void *opaque,
                                      size_t offset,
                                      const uint8_t *buf,
                                      size_t buflen,
+                                     void *opaque,
                                      Error **errp)
 {
     Buffer *header = opaque;