Re: [PATCH RFC] vfs: make fstatat retry on ESTALE errors from getattr call

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On Fri, 13 Apr 2012 08:02:32 -0400
Jim Rees <rees@xxxxxxxxx> 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@xxxxxxxxxx>
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