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From: Ian Kent <raven@themaw.net>
To: Peter Staubach <staubach@redhat.com>
Cc: Steve Dickson <SteveD@redhat.com>,
	nfs@lists.sourceforge.net, linux-fsdevel@vger.kernel.org
Subject: Re: [NFS] Re: [PATCH][RFC] NFS: Improving the access cache
Date: Tue, 2 May 2006 23:26:37 +0800 (WST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0605022324330.10562@raven.themaw.net> (raw)
In-Reply-To: <44577204.5070000@redhat.com>

On Tue, 2 May 2006, Peter Staubach wrote:

> Steve Dickson wrote:
> 
> > Peter Staubach wrote:
> > 
> > > > Basically we would maintain one global hlist (i.e. link list) that
> > > > would contain all of the cached entries; then each nfs_inode would
> > > > have its own LRU hlist that would contain entries that are associated
> > > > with that nfs_inode. So each entry would be on two lists, the
> > > > global hlist and hlist in the nfs_inode.
> > > > 
> > > 
> > > How are these lists used?
> > 
> > The inode hlist will be used to search and purge...
> > 
> 
> Eeee!  A linear search?  That gets expensive as the list grows.  A hashed
> list would keep the search times down.

I thought hlist was meant to be used for hash tables with chaining?

Ian


  reply	other threads:[~2006-05-02 15:27 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-26  1:14 [PATCH][RFC] NFS: Improving the access cache Steve Dickson
2006-04-26  1:31 ` Matthew Wilcox
2006-04-26  4:55 ` Neil Brown
2006-04-26 14:51   ` Steve Dickson
2006-04-26 22:32     ` Neil Brown
2006-05-02  9:49       ` Steve Dickson
2006-05-02 13:51         ` [NFS] " Peter Staubach
2006-05-02 14:38           ` Steve Dickson
2006-05-02 14:51             ` Peter Staubach
2006-05-02 15:26               ` Ian Kent [this message]
2006-05-03  4:42         ` [NFS] " Chuck Lever
2006-05-05 14:07           ` Steve Dickson
2006-05-05 14:53             ` Peter Staubach
2006-05-05 14:59               ` Peter Staubach
2006-05-06 14:35               ` [NFS] " Steve Dickson
2006-05-08 14:07                 ` Peter Staubach
2006-05-08 17:09                   ` Trond Myklebust
2006-05-08 17:20                     ` Peter Staubach
2006-05-08  2:44           ` Neil Brown
2006-05-08  3:23             ` Chuck Lever
2006-05-08  3:28               ` Neil Brown
2006-04-26 13:03 ` Trond Myklebust
2006-04-26 13:14   ` Peter Staubach
2006-04-26 14:01     ` Trond Myklebust
2006-04-26 14:15       ` Peter Staubach
2006-04-26 15:44         ` Trond Myklebust
2006-04-26 17:01           ` Peter Staubach
2006-04-26 15:03   ` Steve Dickson
2006-04-26 13:17 ` [NFS] " Chuck Lever
2006-04-26 14:19   ` Steve Dickson

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