Re: [Xen-devel] [PATCH 1/2] tools/xenstore: Do not abort xenstore-ls if a node disappears while iterating

[Jürgen Groß <jgross@xxxxxxxx>]

On 20.03.20 12:19, David Woodhouse wrote:
> On Fri, 2020-03-20 at 07:34 +0100, Jürgen Groß wrote:
> > Have you thought about the possibility to do the complete handling in a
> > single transaction? This would ensure a complete consistent picture
> > from the time the operation has started. Any inconsistency should be
> > reported as an error then.
> Hm, how would that work? Do I have to buffer *all* the output from
> do_ls() and then only print it if/when xs_transaction_end() succeeds,
> else try again?
No, you just don't care for the transaction to succeed or fail (IMO it
should never fail as you are reading only).

So just wrap everything into a transaction.

I might be wrong, of course. :-)


Juergen

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