Re: [Xen-devel] [PATCH v3 3/4] xenstore: rework of transaction handling

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Mar 28, 2017 at 06:26:14PM +0200, Juergen Gross wrote:
[...]
> +
> +static char *transaction_get_node_name(void *ctx, struct transaction *trans,
> +                                    const char *name)
> +{
> +     return talloc_asprintf(ctx, "%"PRIu64"/%s", trans->generation, name);
> +}
> +
> +/*
> + * Prepend the transaction to name if appropriate.
> + * In a transaction the transaction will be prepended for:
> + * - write accesses
> + * - read accesses of a node which has been written already in
> + *   the same transaction
> + */
> +int transaction_prepend(struct connection *conn, const char *name,
> +                     enum node_access_type type, TDB_DATA *key)

In the code this function is only ever called with type==READ, so either
you miss one callsite for write access or the comment is wrong.

I would like to hear from you before continuing.

Wei.

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