[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] question about xenstore-chmod MAX_PERMS
On Thu, 2012-11-15 at 01:51 +0000, Chunyan Liu wrote: > > I can't see anything obvious in the underlying library > which would > prevent it handling essentially arbitrary length lists > of perms. If you > want to change the client to increase the number > supported I think you > should make it likewise handle arbitrary numbers > rather than just > increasing MAX_PERMS. > > In addition: there is a check for msg.len <= XENSTORE_PAYLOAD_MAX > (which is 4096). > For chmod, the msg.len = path len + mode len. In current environments, > there won't be so many perms that could exceed the value. But it IS a > limitation. Do you know what it works out as? If atomicity matters you could do it as batches within a transaction, otherwise simple batching would do? Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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