mirror of
https://github.com/k3s-io/kubernetes.git
synced 2026-01-14 03:45:39 +00:00
03360d7b65
Automatic merge from submit-queue Local storage teardown fix **What this PR does / why we need it**: Local storage uses bindmounts and the method IsLikelyNotMountPoint does not detect these as mountpoints. Therefore, local PVs are not properly unmounted when they are deleted. **Which issue this PR fixes**: fixes #48331 **Special notes for your reviewer**: You can use these e2e tests to reproduce the issue and validate the fix works appropriately https://github.com/kubernetes/kubernetes/pull/47999 The existing method IsLikelyNotMountPoint purposely does not check mountpoints reliability (4c5b22d4c6/pkg/util/mount/mount_linux.go (L161)), since the number of mountpoints can be large.4c5b22d4c6/pkg/util/mount/mount.go (L46)This implementation changes the behavior for local storage to detect mountpoints reliably, and avoids changing the behavior for any other callers to a UnmountPath. **Release note**: ``` Fixes bind-mount teardown failure with non-mount point Local volumes (issue https://github.com/kubernetes/kubernetes/issues/48331). ```