Any chance to get a review on this patch? We're running Singularity containers in an mpi environment where multiple concurrent container image loop mounts occur and we hit this issue as reported to Sylabs by us here: https://github.com/sylabs/singularity/issues/3860 It is affecting our production. This email and any accompanying attachments are confidential. If you received this email by mistake, please delete it from your system. Any review, disclosure, copying, distribution, or use of the email by others is strictly prohibited.