On Fri, Nov 11, 2016 at 09:00:02AM +0100, Juergen Gross wrote: > In order to be able to support reading the list of a node's children in > multiple chunks (needed for list sizes > 4096 bytes) without having to > allocate a temporary buffer we need some kind of generation counter for > each node. This will help to recognize a node has changed between > reading two chunks. > > As removing a node and reintroducing it must result in different > generation counts each generation value has to be globally unique. This > can be ensured only by using a global 64 bit counter. > > For handling of transactions there is already such a counter available, > it just has to be expanded to 64 bits and must be stored in each > modified node. > > Signed-off-by: Juergen Gross <jgr...@suse.com>
Reviewed-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
