* Preallocate a bio that's always going to be used for flushing device
* barriers and matches the device lifespan
*/
- dev->flush_bio = bio_alloc_bioset(GFP_KERNEL, 0, NULL);
+ dev->flush_bio = bio_kmalloc(GFP_KERNEL, 0);
if (!dev->flush_bio) {
kfree(dev);
return ERR_PTR(-ENOMEM);