[PATCH 4/4] tools/testing: add a test to check nsfs ioctl-s

From: Andrey Vagin There are two new ioctl-s: One ioctl for the user namespace that owns a file descriptor. One ioctl for the parent namespace of a namespace file descriptor. The test checks that these ioctl-s works and that they handle a case when a target namespace is outside of the current pr

[PATCH 4/4] tools/testing: add a test to check nsfs ioctl-s

From: Andrey Vagin There are two new ioctl-s: One ioctl for the user namespace that owns a file descriptor. One ioctl for the parent namespace of a namespace file descriptor. The test checks that these ioctl-s works and that they handle a case when a target namespace is outside of the current pr