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Diffstat (limited to 'block/qcow2-refcount.c')
-rw-r--r-- | block/qcow2-refcount.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index ef965d7895..0d64bf5a5e 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -3455,6 +3455,8 @@ int qcow2_detect_metadata_preallocation(BlockDriverState *bs) int64_t i, end_cluster, cluster_count = 0, threshold; int64_t file_length, real_allocation, real_clusters; + qemu_co_mutex_assert_locked(&s->lock); + file_length = bdrv_getlength(bs->file->bs); if (file_length < 0) { return file_length; |