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From: Jeff Layton <jlayton@redhat.com>
To: Jim Rees <rees@umich.edu>
Cc: linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org,
	linux-kernel@vger.kernel.org, pstaubach@exagrid.com,
	miklos@szeredi.hu, viro@ZenIV.linux.org.uk, hch@infradead.org,
	michael.brantley@deshaw.com
Subject: Re: [PATCH RFC] vfs: make fstatat retry on ESTALE errors from getattr call
Date: Fri, 13 Apr 2012 08:09:27 -0400	[thread overview]
Message-ID: <20120413080927.72cca80f@tlielax.poochiereds.net> (raw)
In-Reply-To: <20120413120232.GA27179@umich.edu>

On Fri, 13 Apr 2012 08:02:32 -0400
Jim Rees <rees@umich.edu> wrote:

> Jeff Layton wrote:
> 
>   +retry:
>    	error = user_path_at(dfd, filename, lookup_flags, &path);
>    	if (error)
>    		goto out;
>    
>    	error = vfs_getattr(path.mnt, path.dentry, stat);
>   +	should_retry = error == -ESTALE ? retry_estale(path.dentry) : false;
>    	path_put(&path);
>   +	if (should_retry) {
>   +		lookup_flags |= LOOKUP_REVAL;
>   +		goto retry;
>   +	}
>    out:
>    	return error;
>    }
> 
> This is starting to look like FORTRAN.  Maybe turn this into a "do while"?
> Then you could make the "goto out" into a break and get rid of them both.

Sure, that's doable. If we want to do a finite number of retries that
may be preferable anyway.

-- 
Jeff Layton <jlayton@redhat.com>

  reply	other threads:[~2012-04-13 12:09 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-13 11:25 Jeff Layton
2012-04-13 12:02 ` Jim Rees
2012-04-13 12:09   ` Jeff Layton [this message]
     [not found] ` <20120413150518.GA1987@us.ibm.com>
2012-04-13 15:42   ` Jeff Layton
2012-04-13 16:07     ` Steve Dickson
2012-04-13 17:10       ` Jeff Layton
2012-04-13 17:34       ` Peter Staubach
2012-04-13 23:00         ` Jeff Layton
2012-04-14  0:57         ` Trond Myklebust
2012-04-15 19:03     ` Bernd Schubert
2012-04-15 19:27       ` J. Bruce Fields
2012-04-16 14:23         ` Bernd Schubert
2012-04-15 19:57       ` Chuck Lever
2012-04-16 11:23         ` Jeff Layton
2012-04-17 11:53         ` Steve Dickson
2012-04-16 11:36       ` Jeff Layton
2012-04-16 12:54         ` Peter Staubach
2012-04-16 16:04           ` Jeff Layton
2012-04-16 14:44         ` Bernd Schubert
2012-04-16 17:46           ` Jeff Layton
2012-04-16 19:33             ` Myklebust, Trond
2012-04-16 19:43               ` Jeff Layton
2012-04-16 20:25                 ` Myklebust, Trond
2012-04-16 23:05                   ` Jeff Layton
2012-04-17 11:46                     ` Steve Dickson
2012-04-17 13:36                       ` Jeff Layton
2012-04-17 14:14                         ` Steve Dickson
2012-04-17 14:27                           ` Miklos Szeredi
2012-04-17 15:02                             ` Jeff Layton
2012-04-17 15:50                               ` Miklos Szeredi
2012-04-17 16:03                                 ` Jeff Layton
2012-04-17 15:59                               ` Steve Dickson
2012-04-17 13:12                     ` Miklos Szeredi
2012-04-17 13:32                       ` Jeff Layton
2012-04-17 14:03                         ` Miklos Szeredi
2012-04-17 14:22                           ` Jeff Layton
2012-04-17 14:04                         ` Myklebust, Trond
2012-04-17 14:20                           ` Jeff Layton
2012-04-17 15:45                             ` J. Bruce Fields
2012-04-17 16:02                               ` Miklos Szeredi
2012-04-17 13:39                     ` Peter Staubach
2012-04-17 14:08                       ` Myklebust, Trond
2012-04-17 14:48                         ` Peter Staubach
2012-04-18 15:16                           ` Jeff Layton
2012-04-16 19:43             ` Scott Lovenberg
2012-04-16 16:55 ` [PATCH RFC v2] " Jeff Layton
2012-04-18 11:52 ` [PATCH RFC v3] vfs: make fstatat retry once " Jeff Layton
2012-04-20 14:40   ` Jeff Layton
2012-04-20 20:18     ` Steve Dickson
2012-04-20 20:37       ` Malahal Naineni
2012-04-20 21:13         ` Jeff Layton
2012-04-22  5:40           ` Miklos Szeredi
2012-04-23 12:00             ` Jeff Layton
2012-04-23 13:00               ` J. Bruce Fields
2012-04-23 13:12                 ` Jeff Layton
2012-04-23 13:34                   ` J. Bruce Fields
2012-04-23 13:50                     ` Jeff Layton
2012-04-23 13:54                       ` J. Bruce Fields
2012-04-23 14:51                         ` Miklos Szeredi
2012-04-23 15:02                           ` Chuck Lever
2012-04-23 15:23                             ` Miklos Szeredi
2012-04-23 17:45                               ` Peter Staubach
2012-04-23 15:16                           ` Jeff Layton
2012-04-23 15:28                             ` Miklos Szeredi
2012-04-23 18:59                               ` Jeff Layton
2012-04-20 21:13       ` Jeff Layton
2012-04-23 14:55         ` Steve Dickson
2012-04-23 15:32           ` Jeff Layton
2012-04-23 18:06             ` Steve Dickson
2012-04-23 18:33               ` Jeff Layton
2012-04-23 20:38               ` Peter Staubach
2012-04-24 14:50                 ` Jeff Layton
2012-04-24 15:54                   ` Miklos Szeredi
2012-04-24 16:34                     ` Jeff Layton
2012-04-25  9:41                       ` Miklos Szeredi
2012-04-25 12:04                         ` Jeff Layton
2012-04-23 17:43           ` Peter Staubach
2012-04-23 19:06           ` Malahal Naineni
2012-04-22  4:16     ` Ric Wheeler
2012-04-23 11:20       ` Jeff Layton

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