diff options
| -rw-r--r-- | block/qcow2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 8c60a6f061..ee4678f6ed 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1192,7 +1192,10 @@ static int qcow2_create2(const char *filename, int64_t total_size, /* And if we're supposed to preallocate metadata, do that now */ if (prealloc) { + BDRVQcowState *s = bs->opaque; + qemu_co_mutex_lock(&s->lock); ret = preallocate(bs); + qemu_co_mutex_unlock(&s->lock); if (ret < 0) { goto out; } |