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-rw-r--r--block/qcow.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/qcow.c b/block/qcow.c
index 67c237fe7d..041af26ce3 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -725,7 +725,8 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
BlockDriverState *qcow_bs;
/* Read out options */
- total_size = qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / 512;
+ total_size = DIV_ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
+ BDRV_SECTOR_SIZE);
backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ENCRYPT, false)) {
flags |= BLOCK_FLAG_ENCRYPT;