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

[Juergen Gross <jgross@xxxxxxxx>]

On 30/03/17 13:17, Wei Liu wrote:
> 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.

This is a artefact of an earlier version. Now the write and delete
case are handled directly in access_node(). I will remove the access
type in V4.


Juergen

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