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From: Jan Harkes <jaharkes@cs.cmu.edu>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] path_lookup for 2.4.20-pre4 (ChangeSet@1.587.10.71)
Date: Tue, 8 Jul 2003 12:20:08 -0400	[thread overview]
Message-ID: <20030708162008.GA18924@delft.aura.cs.cmu.edu> (raw)
In-Reply-To: <16138.53118.777914.828030@charged.uio.no>

One thing you might want to add to avoid revalidating all pathnames that
happen to start with a dot, like '.bashrc'.

Jan

On Tue, Jul 08, 2003 at 04:04:46PM +0200, Trond Myklebust wrote:
> diff -u --recursive --new-file linux-2.4.22-odirect/fs/namei.c linux-2.4.22-fix_cto/fs/namei.c
> --- linux-2.4.22-odirect/fs/namei.c	2003-06-27 13:34:41.000000000 +0200
> +++ linux-2.4.22-fix_cto/fs/namei.c	2003-07-08 15:51:08.000000000 +0200
> @@ -732,6 +732,24 @@
>  			nd->last_type = LAST_DOT;
>  		else if (this.len == 2 && this.name[1] == '.')
>  			nd->last_type = LAST_DOTDOT;
  +		else
  +			goto return_base;
> +return_reval:
> +		/*
> +		 * We bypassed the ordinary revalidation routines.
> +		 * We may need to check the cached dentry for staleness.
> +		 */


  parent reply	other threads:[~2003-07-08 16:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-08 14:04 Trond Myklebust
2003-07-08 14:16 ` Alan Cox
2003-07-08 15:00   ` [PATCH] Fastwalk: reduce cacheline bouncing of d_count (Changelog@1.1024.1.11) Trond Myklebust
2003-07-08 15:20     ` Alan Cox
2003-07-08 16:44       ` Herbert Poetzl
2003-07-08 16:53         ` Alan Cox
2003-07-08 17:06           ` Herbert Poetzl
2003-07-08 17:20             ` Matthew Wilcox
2003-07-08 17:42               ` Hanna Linder
2003-07-08 18:10                 ` Trond Myklebust
2003-07-08 18:19                   ` Hanna Linder
2003-07-08 19:26           ` Marcelo Tosatti
2003-07-08 19:24       ` Marcelo Tosatti
2003-07-08 16:20 ` Jan Harkes [this message]
2003-07-08 16:41   ` Trond Myklebust

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