Re: NFS client latencies

[Ingo Molnar]

* Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote:

> > would it be safe to collect locked entries into a separate, local list, 
> > so that the restart would only see newly added entries? Then once the 
> > moving of all entries has been done, all the locked entries could be 
> > added back to the commit_list via one list_add. (can anything happen to 
> > those locked entries that would break this method?)
> 
> You are not allowed to remove an entry from the list if it is locked 
> by someone else. Locking grants temporary ownership of the entry.

well, removing a neighboring entry will change the locked entry's link 
fields (e.g. req->wb_list.prev), so this ownership cannot involve this 
particular list, can it?

	Ingo
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