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Diffstat (limited to 'block/vmdk.c')
-rw-r--r--block/vmdk.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/block/vmdk.c b/block/vmdk.c
index 1ce220d535..0e791f2d85 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1024,6 +1024,17 @@ static int vmdk_read(BlockDriverState *bs, int64_t sector_num,
return 0;
}
+static coroutine_fn int vmdk_co_read(BlockDriverState *bs, int64_t sector_num,
+ uint8_t *buf, int nb_sectors)
+{
+ int ret;
+ BDRVVmdkState *s = bs->opaque;
+ qemu_co_mutex_lock(&s->lock);
+ ret = vmdk_read(bs, sector_num, buf, nb_sectors);
+ qemu_co_mutex_unlock(&s->lock);
+ return ret;
+}
+
static int vmdk_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
@@ -1542,7 +1553,7 @@ static BlockDriver bdrv_vmdk = {
.instance_size = sizeof(BDRVVmdkState),
.bdrv_probe = vmdk_probe,
.bdrv_open = vmdk_open,
- .bdrv_read = vmdk_read,
+ .bdrv_read = vmdk_co_read,
.bdrv_write = vmdk_write,
.bdrv_close = vmdk_close,
.bdrv_create = vmdk_create,