Re: NFS client latencies
From: Ingo Molnar (mingo_at_elte.hu)
Date: 03/31/05
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Date: Thu, 31 Mar 2005 17:10:00 +0200 To: Trond Myklebust <trond.myklebust@fys.uio.no>
* Trond Myklebust <trond.myklebust@fys.uio.no> 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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- Previous message: Dmitry Torokhov: "Re: [linux-pm] Re: swsusp 'disk' fails in bk-current - intel_agp at fault?"
- In reply to: Trond Myklebust: "Re: NFS client latencies"
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