If the hypervisor advertises support for the DISCARD command then the guest can perform TRIM commands, freeing space on the backing store. If VIRTIO_BLK_F_DISCARD is enabled, advertise DISKFLAG_CANDELETE Tested with FreeBSD guests on bhyve and KVM Reviewed by: jhb Tested by: freqlabs MFC after: 1 month Relnotes: yes Sponsored by: Klara Inc. Differential Revision: https://reviews.freebsd.org/D21708 |
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.. | ||
balloon | ||
block | ||
console | ||
mmio | ||
network | ||
pci | ||
random | ||
scsi | ||
virtio_bus_if.m | ||
virtio_config.h | ||
virtio_ids.h | ||
virtio_if.m | ||
virtio_ring.h | ||
virtio.c | ||
virtio.h | ||
virtqueue.c | ||
virtqueue.h |