qemu-common: stop including qemu/bswap.h from qemu-common.h

[qemu.git] / block / qcow.c

diff --git a/block/qcow.c b/block/qcow.c
index c09cb7989ae75d3a83966ce419d205dadf707972..cb4bf0299f7589bf3843816336b28e3ef9a16a19 100644 (file)
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -22,10 +22,13 @@
  * THE SOFTWARE.
  */
 #include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "qemu-common.h"
+#include "qemu/error-report.h"
 #include "block/block_int.h"
 #include "sysemu/block-backend.h"
 #include "qemu/module.h"
+#include "qemu/bswap.h"
 #include <zlib.h>
 #include "qapi/qmp/qerror.h"
 #include "crypto/cipher.h"
@@ -157,6 +160,14 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
     }
     s->crypt_method_header = header.crypt_method;
     if (s->crypt_method_header) {
+        if (bdrv_uses_whitelist() &&
+            s->crypt_method_header == QCOW_CRYPT_AES) {
+            error_report("qcow built-in AES encryption is deprecated");
+            error_printf("Support for it will be removed in a future release.\n"
+                         "You can use 'qemu-img convert' to switch to an\n"
+                         "unencrypted qcow image, or a LUKS raw image.\n");
+        }
+
         bs->encrypted = 1;
     }
     s->cluster_bits = header.cluster_bits;
@@ -793,9 +804,8 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
         goto cleanup;
     }
 
-    qcow_blk = blk_new_open("image", filename, NULL, NULL,
-                            BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_PROTOCOL,
-                            &local_err);
+    qcow_blk = blk_new_open(filename, NULL, NULL,
+                            BDRV_O_RDWR | BDRV_O_PROTOCOL, &local_err);
     if (qcow_blk == NULL) {
         error_propagate(errp, local_err);
         ret = -EIO;
@@ -844,14 +854,14 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
     }
 
     /* write all the data */
-    ret = blk_pwrite(qcow_blk, 0, &header, sizeof(header));
+    ret = blk_pwrite(qcow_blk, 0, &header, sizeof(header), 0);
     if (ret != sizeof(header)) {
         goto exit;
     }
 
     if (backing_file) {
         ret = blk_pwrite(qcow_blk, sizeof(header),
-            backing_file, backing_filename_len);
+                         backing_file, backing_filename_len, 0);
         if (ret != backing_filename_len) {
             goto exit;
         }
@@ -860,8 +870,8 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
     tmp = g_malloc0(BDRV_SECTOR_SIZE);
     for (i = 0; i < ((sizeof(uint64_t)*l1_size + BDRV_SECTOR_SIZE - 1)/
         BDRV_SECTOR_SIZE); i++) {
-        ret = blk_pwrite(qcow_blk, header_size +
-            BDRV_SECTOR_SIZE*i, tmp, BDRV_SECTOR_SIZE);
+        ret = blk_pwrite(qcow_blk, header_size + BDRV_SECTOR_SIZE * i,
+                         tmp, BDRV_SECTOR_SIZE, 0);
         if (ret != BDRV_SECTOR_SIZE) {
             g_free(tmp);
             goto exit;