diff options
| author | mav <mav@FreeBSD.org> | 2015-03-19 09:56:38 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2015-03-19 09:56:38 +0000 |
| commit | 6a65b273d8774477c629ed5f9b50d7946a7c43ff (patch) | |
| tree | 226e85fec8848b8012185d08213f0ad4ab1c6eed /usr.sbin/bhyve/block_if.c | |
| parent | 207f5e4d982a38a26b05f47f9af3d5bea8778fc9 (diff) | |
| download | FreeBSD-src-6a65b273d8774477c629ed5f9b50d7946a7c43ff.zip FreeBSD-src-6a65b273d8774477c629ed5f9b50d7946a7c43ff.tar.gz | |
MFC r279658, r279673, r279675:
Implement cache flush for ahci-hd and for virtio-blk over device.
Diffstat (limited to 'usr.sbin/bhyve/block_if.c')
| -rw-r--r-- | usr.sbin/bhyve/block_if.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/block_if.c b/usr.sbin/bhyve/block_if.c index 5934006..e765987 100644 --- a/usr.sbin/bhyve/block_if.c +++ b/usr.sbin/bhyve/block_if.c @@ -80,6 +80,7 @@ struct blockif_elem { struct blockif_ctxt { int bc_magic; int bc_fd; + int bc_ischr; int bc_rdonly; off_t bc_size; int bc_sectsz; @@ -190,6 +191,11 @@ blockif_proc(struct blockif_ctxt *bc, struct blockif_elem *be) err = errno; break; case BOP_FLUSH: + if (bc->bc_ischr) { + if (ioctl(bc->bc_fd, DIOCGFLUSH)) + err = errno; + } else if (fsync(bc->bc_fd)) + err = errno; break; default: err = EINVAL; @@ -348,6 +354,7 @@ blockif_open(const char *optstr, const char *ident) bc->bc_magic = BLOCKIF_SIG; bc->bc_fd = fd; + bc->bc_ischr = S_ISCHR(sbuf.st_mode); bc->bc_rdonly = ro; bc->bc_size = size; bc->bc_sectsz = sectsz; |
