Allan Jude 2cc8a524af Add VIRTIO_BLK_T_DISCARD support to the virtio-blk driver ... 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		2020-07-16 16:32:16 +00:00
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virtio_blk.c	Add VIRTIO_BLK_T_DISCARD support to the virtio-blk driver	2020-07-16 16:32:16 +00:00
virtio_blk.h	Add VIRTIO_BLK_T_DISCARD support to the virtio-blk driver	2020-07-16 16:32:16 +00:00