From: Harald Hoyer <harald@xxxxxxxxxx>
If a mount point cannot be moved to the new root, umount it with
MNT_DETACH, so that it is lazy umounted and does not show up in
/proc/mounts anymore.
---
sys-utils/switch_root.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sys-utils/switch_root.c b/sys-utils/switch_root.c
index e50f310..a49a1f7 100644
--- a/sys-utils/switch_root.c
+++ b/sys-utils/switch_root.c
@@ -131,7 +131,7 @@ static int switchroot(const char *newroot)
if ((stat(newmount, &sb) != 0) || (sb.st_dev != newroot_stat.st_dev)) {
/* mount point seems to be mounted already or stat failed */
- umount(umounts[i]);
+ umount2(umounts[i], MNT_DETACH);
continue;
}
--
1.7.7
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