X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fvdev.c;h=4bed646b36975f994977b55649ab5a78339e4100;hb=53cf50e0816a89749b3ea4d51d5d9c9605bcc3e8;hp=4613e951a57f543028695bc3b1b6afaf7f4b3bb9;hpb=266852767f42781821c1d62544c9b9e985828304;p=zfs.git

diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index 4613e95..4bed646 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -1069,6 +1069,15 @@ vdev_open_child(void *arg)
 boolean_t
 vdev_uses_zvols(vdev_t *vd)
 {
+/*
+ * Stacking zpools on top of zvols is unsupported until we implement a method
+ * for determining if an arbitrary block device is a zvol without using the
+ * path.  Solaris would check the 'zvol' path component but this does not
+ * exist in the Linux port, so we really should do something like stat the
+ * file and check the major number.  This is complicated by the fact that
+ * we need to do this portably in user or kernel space.
+ */
+#if 0
 	int c;
 
 	if (vd->vdev_path && strncmp(vd->vdev_path, ZVOL_DIR,
@@ -1077,6 +1086,7 @@ vdev_uses_zvols(vdev_t *vd)
 	for (c = 0; c < vd->vdev_children; c++)
 		if (vdev_uses_zvols(vd->vdev_child[c]))
 			return (B_TRUE);
+#endif
 	return (B_FALSE);
 }
 
@@ -3157,3 +3167,11 @@ vdev_split(vdev_t *vd)
 	}
 	vdev_propagate_state(cvd);
 }
+
+#if defined(_KERNEL) && defined(HAVE_SPL)
+EXPORT_SYMBOL(vdev_fault);
+EXPORT_SYMBOL(vdev_degrade);
+EXPORT_SYMBOL(vdev_online);
+EXPORT_SYMBOL(vdev_offline);
+EXPORT_SYMBOL(vdev_clear);
+#endif