On Tue, Jun 13, 2006 at 04:18:09PM +0200, Juergen Hannken-Illjes wrote:
> We have an API for file system suspension which consists of the functions
> vfs_write_suspend, vfs_write_resume, vn_start_write and vn_finished_write.

One idea: how do we prevent operations on a file-system in the process of
being unmounted? Could a common mechanism be used for this and for
snapshots?

Pavel