diff options
Diffstat (limited to 'usr.sbin/bhyve/pci_virtio_block.c')
-rw-r--r-- | usr.sbin/bhyve/pci_virtio_block.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/pci_virtio_block.c b/usr.sbin/bhyve/pci_virtio_block.c index 394b116..c66ad68 100644 --- a/usr.sbin/bhyve/pci_virtio_block.c +++ b/usr.sbin/bhyve/pci_virtio_block.c @@ -94,6 +94,8 @@ struct vtblk_config { struct virtio_blk_hdr { #define VBH_OP_READ 0 #define VBH_OP_WRITE 1 +#define VBH_OP_FLUSH 4 +#define VBH_OP_FLUSH_OUT 5 #define VBH_OP_IDENT 8 #define VBH_FLAG_BARRIER 0x80000000 /* OR'ed into vbh_type */ uint32_t vbh_type; @@ -217,6 +219,10 @@ pci_vtblk_proc(struct pci_vtblk_softc *sc, struct vqueue_info *vq) MIN(iov[1].iov_len, sizeof(sc->vbsc_ident))); err = 0; break; + case VBH_OP_FLUSH: + case VBH_OP_FLUSH_OUT: + err = fsync(sc->vbsc_fd); + break; default: err = -ENOSYS; break; |