pc-bios/s390-ccw: Move virtio-block related functions into a separate file

[qemu.git] / block / vmdk.c

diff --git a/block/vmdk.c b/block/vmdk.c
index 7750212969feaa512385777c5101e9d93d15df47..24d71b5982449c9744442f9a3e6e0017f0164f94 100644 (file)
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -31,7 +31,7 @@
 #include "qemu/error-report.h"
 #include "qemu/module.h"
 #include "qemu/bswap.h"
-#include "migration/migration.h"
+#include "migration/blocker.h"
 #include "qemu/cutils.h"
 #include <zlib.h>
 
@@ -943,6 +943,12 @@ static int vmdk_open(BlockDriverState *bs, QDict *options, int flags,
     uint32_t magic;
     Error *local_err = NULL;
 
+    bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file,
+                               false, errp);
+    if (!bs->file) {
+        return -EINVAL;
+    }
+
     buf = vmdk_read_desc(bs->file, 0, errp);
     if (!buf) {
         return -EINVAL;
@@ -1361,8 +1367,8 @@ static int vmdk_write_extent(VmdkExtent *extent, int64_t cluster_offset,
             goto out;
         }
 
-        data->lba = offset >> BDRV_SECTOR_BITS;
-        data->size = buf_len;
+        data->lba = cpu_to_le64(offset >> BDRV_SECTOR_BITS);
+        data->size = cpu_to_le32(buf_len);
 
         n_bytes = buf_len + sizeof(VmdkGrainMarker);
         iov = (struct iovec) {
@@ -1697,7 +1703,8 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
     }
 
     blk = blk_new_open(filename, NULL, NULL,
-                       BDRV_O_RDWR | BDRV_O_PROTOCOL, &local_err);
+                       BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
+                       &local_err);
     if (blk == NULL) {
         error_propagate(errp, local_err);
         ret = -EIO;
@@ -1707,10 +1714,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
     blk_set_allow_write_beyond_eof(blk, true);
 
     if (flat) {
-        ret = blk_truncate(blk, filesize);
-        if (ret < 0) {
-            error_setg_errno(errp, -ret, "Could not truncate file");
-        }
+        ret = blk_truncate(blk, filesize, PREALLOC_MODE_OFF, errp);
         goto exit;
     }
     magic = cpu_to_be32(VMDK4_MAGIC);
@@ -1773,9 +1777,9 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
         goto exit;
     }
 
-    ret = blk_truncate(blk, le64_to_cpu(header.grain_offset) << 9);
+    ret = blk_truncate(blk, le64_to_cpu(header.grain_offset) << 9,
+                       PREALLOC_MODE_OFF, errp);
     if (ret < 0) {
-        error_setg_errno(errp, -ret, "Could not truncate file");
         goto exit;
     }
 
@@ -2065,7 +2069,8 @@ static int vmdk_create(const char *filename, QemuOpts *opts, Error **errp)
     }
 
     new_blk = blk_new_open(filename, NULL, NULL,
-                           BDRV_O_RDWR | BDRV_O_PROTOCOL, &local_err);
+                           BDRV_O_RDWR | BDRV_O_RESIZE | BDRV_O_PROTOCOL,
+                           &local_err);
     if (new_blk == NULL) {
         error_propagate(errp, local_err);
         ret = -EIO;
@@ -2082,10 +2087,7 @@ static int vmdk_create(const char *filename, QemuOpts *opts, Error **errp)
     /* bdrv_pwrite write padding zeros to align to sector, we don't need that
      * for description file */
     if (desc_offset == 0) {
-        ret = blk_truncate(new_blk, desc_len);
-        if (ret < 0) {
-            error_setg_errno(errp, -ret, "Could not truncate file");
-        }
+        ret = blk_truncate(new_blk, desc_len, PREALLOC_MODE_OFF, errp);
     }
 exit:
     if (new_blk) {
@@ -2353,6 +2355,7 @@ static BlockDriver bdrv_vmdk = {
     .bdrv_open                    = vmdk_open,
     .bdrv_check                   = vmdk_check,
     .bdrv_reopen_prepare          = vmdk_reopen_prepare,
+    .bdrv_child_perm              = bdrv_format_default_perms,
     .bdrv_co_preadv               = vmdk_co_preadv,
     .bdrv_co_pwritev              = vmdk_co_pwritev,
     .bdrv_co_pwritev_compressed   = vmdk_co_pwritev_compressed,