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Amir Goldstein
72c2cced9d
Overlayfs is often used to mount several mounts that share a single lower dir, but every overlayfs mount should have its own private upperdir and private workdir. Overlayfs mount on kernel <= v4.12 does not check if upper/work dirs are currently in-use by another overlayfs mount on the system and bad things can happen with such configuration. Expect EBUSY when trying to mount overlay when: - Upper dir is in-use by another overlay mount - Work dir is in-use by another overlay mount This test does not depend on the overlay index feature. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
4 lines
135 B
Plaintext
4 lines
135 B
Plaintext
QA output created by 036
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mount: overlay2 is already mounted or SCRATCH_MNT busy
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mount: overlay3 is already mounted or SCRATCH_MNT busy
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