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| author | neel <neel@FreeBSD.org> | 2014-10-07 17:08:53 +0000 |
|---|---|---|
| committer | neel <neel@FreeBSD.org> | 2014-10-07 17:08:53 +0000 |
| commit | 8cd4bd98b6e566b3556a8bed73458e7b32cbbe77 (patch) | |
| tree | a2717bcf9b1d85c4f2c3a368ababf6e52f4ee6e4 /usr.sbin | |
| parent | e2d6ebec55f41f7360a1479231b139957f19dc26 (diff) | |
| download | FreeBSD-src-8cd4bd98b6e566b3556a8bed73458e7b32cbbe77.zip FreeBSD-src-8cd4bd98b6e566b3556a8bed73458e7b32cbbe77.tar.gz | |
Implement the FLUSH operation in the virtio-block emulation.
This gets rid of the following error message during FreeBSD guest bootup:
"vtbd0: hard error cmd=flush fsbn 0"
Reported by: rodrigc
Reviewed by: grehan
Diffstat (limited to 'usr.sbin')
| -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; |
