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Use lazy unmount to unmount volumes

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Volumes can have more mount points beneath them and unmount will fail. This
is the case when a bind mounted directory on host already had a mount point
underneath it. So use lazy unmount instead.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Upstream-commit: b9e701b203ff49966aac00e058feb5d46bbb97f0
Component: engine
This commit is contained in:
Vivek Goyal
2015-11-19 20:46:07 +00:00
committed by root
parent 3ac379c684
commit 712fdcff89
1 changed files with 2 additions and 2 deletions
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4
components/engine/daemon/container_unix.go
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@@ -1511,8 +1511,8 @@ func (container *Container) unmountVolumes(forceSyscall bool) error {
for _, volumeMount := range volumeMounts {
if forceSyscall {
if err := system.Unmount(volumeMount.Destination); err != nil {
logrus.Warnf("%s unmountVolumes: Failed to force umount %v", container.ID, err)
if err := detachMounted(volumeMount.Destination); err != nil {
logrus.Warnf("%s unmountVolumes: Failed to do lazy umount %v", container.ID, err)
}
}