- Move softdep from using a global worklist to per-mount worklists. This

   has many positive effects including improved smp locking, reducing
   interdependencies between mounts that can lead to deadlocks, etc.
 - Add the softdep worklist and various counters to the ufsmnt structure.
 - Add a mount pointer to the workitem and remove mount pointers from the
   various structures derived from the workitem as they are now redundant.
 - Remove the poor-man's semaphore protecting softdep_process_worklist and
   softdep_flushworklist.  Several threads may now process the list
   simultaneously.
 - Add softdep_waitidle() to block the thread until all pending
   dependencies being operated on by other threads have been flushed.
 - Use softdep_waitidle() in unmount and snapshots to block either
   operation until the fs is stable.
 - Remove softdep worklist processing from the syncer and move it into the
   softdep_flush() thread.  This thread processes all softdep mounts
   once each second and when it is called via the new softdep_speedup()
   when there is a resource shortage.  This removes the softdep hook
   from the kernel and various hacks in header files to support it.

Reviewed by/Discussed with:	tegge, truckman, mckusick
Tested by:	kris

1 files changed, 0 insertions, 1 deletions

diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 426244e..79de95c 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -555,7 +555,6 @@ struct vattr;
 struct vnode;
 
 extern int	(*lease_check_hook)(struct vop_lease_args *);
-extern int	(*softdep_process_worklist_hook)(struct mount *);
 
 /* cache_* may belong in namei.h. */
 void	cache_enter(struct vnode *dvp, struct vnode *vp,