D33403.id101600.diff
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D33403.id101600.diff
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	diff --git a/usr.sbin/bhyve/block_if.c b/usr.sbin/bhyve/block_if.c
	--- a/usr.sbin/bhyve/block_if.c
	+++ b/usr.sbin/bhyve/block_if.c
	@@ -667,14 +667,24 @@
	{
	struct blockif_ctxt *bc;
	struct stat sb;
	+ off_t mediasize;

	if (fstat(fd, &sb) != 0)
	return;

	+ if (S_ISCHR(sb.st_mode)) {
	+ if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) < 0) {
	+ EPRINTLN("blockif_resized: get mediasize failed: %s",
	+ strerror(errno));
	+ return;
	+ }
	+ } else
	+ mediasize = sb.st_size;
	+
	bc = arg;
	pthread_mutex_lock(&bc->bc_mtx);
	- if (sb.st_size != bc->bc_size) {
	- bc->bc_size = sb.st_size;
	+ if (mediasize != bc->bc_size) {
	+ bc->bc_size = mediasize;
	bc->bc_resize_cb(bc, bc->bc_resize_cb_arg, bc->bc_size);
	}
	pthread_mutex_unlock(&bc->bc_mtx);