[Libguestfs] [PATCH 2/2] daemon: Add a note about how 'mount --rbind' doesn't work.
Richard W.M. Jones
rjones at redhat.com
Tue Jan 28 16:21:10 UTC 2014
---
daemon/command.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/daemon/command.c b/daemon/command.c
index 939bf87..1593de9 100644
--- a/daemon/command.c
+++ b/daemon/command.c
@@ -94,6 +94,10 @@ bind_mount (struct bind_state *bs)
return -1;
}
+ /* Note it is tempting to use --rbind here (to bind submounts).
+ * However I have not found a reliable way to unmount the same set
+ * of directories (umount -R does NOT work).
+ */
r = command (NULL, NULL, str_mount, "--bind", "/dev", bs->sysroot_dev, NULL);
bs->dev_ok = r != -1;
r = command (NULL, NULL, str_mount, "--bind", "/dev/pts", bs->sysroot_dev_pts, NULL);
--
1.8.4.2
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