April 20, 2016
12:54 p.m.
Hi, I am looking into an issue where unmounting /data is failing. I receive -EBUSY as the sum off all mnt_count(mnt->mnt_pcp->mnt_count) of all cpu's > 2 (the value in my case is 3). I am debugging from linux crash dump. Is there any way that I can know the owners/responsible drivers that have incereased this refcount and left it like that without decrementing? Kindly share any helpful information. Thank you. Best Regards, Manty