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Index: head/usr.sbin/bhyveload/bhyveload.c
===================================================================
--- head/usr.sbin/bhyveload/bhyveload.c
+++ head/usr.sbin/bhyveload/bhyveload.c
@@ -300,11 +300,11 @@
static int
cb_diskread(void *arg, int unit, uint64_t from, void *to, size_t size,
- size_t *resid)
+ size_t *resid)
{
ssize_t n;
- if (unit < 0 || unit >= ndisks )
+ if (unit < 0 || unit >= ndisks)
return (EIO);
n = pread(disk_fd[unit], to, size, from);
if (n < 0)
@@ -314,6 +314,21 @@
}
static int
+cb_diskwrite(void *arg, int unit, uint64_t offset, void *src, size_t size,
+ size_t *resid)
+{
+ ssize_t n;
+
+ if (unit < 0 || unit >= ndisks)
+ return (EIO);
+ n = pwrite(disk_fd[unit], src, size, offset);
+ if (n < 0)
+ return (errno);
+ *resid = size - n;
+ return (0);
+}
+
+static int
cb_diskioctl(void *arg, int unit, u_long cmd, void *data)
{
struct stat sb;
@@ -611,6 +626,7 @@
.stat = cb_stat,
.diskread = cb_diskread,
+ .diskwrite = cb_diskwrite,
.diskioctl = cb_diskioctl,
.copyin = cb_copyin,

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