tree a072a8486c67f3d26b576e5bace8aa45def2d328
parent d5e66348bbe39dc78509e7561f7252aa443df8c0
author Trond Myklebust <Trond.Myklebust@netapp.com> 1217197141 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1223338106 -0400

NFS: Clean up nfs_sb_active/nfs_sb_deactive

Instead of causing umount requests to block on server->active_wq while the
asynchronous sillyrename deletes are executing, we can use the sb->s_active
counter to obtain a reference to the super_block, and then release that
reference in nfs_async_unlink_release().

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>