Philip Guenther <guent...@gmail.com> wrote:
> The warning is not that a single filesystem is being locked recursively by a
> thread, but just that a single thread is holding locks on multiple
vfs_stall() needs to grab locks on all filesystems, to stop a variety of
filesystem transactions. (Other types of transactions are blocked in other
sys_umount() grabs locks on all filesystems above it, to stop anyone from
doing a parallel mount/unmount along the same path.
This is all normal.