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


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