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Juergen Gross
45ce0cb38f
Struct xs_tdb_record_hdr is used for nodes stored in the data base. When working on a node, struct node is being used, which is including the same information as struct xs_tdb_record_hdr, but in a different format. Rework struct xs_tdb_record_hdr in order to prepare including it in struct node. Do the following modifications: - move its definition to xenstored_core.h, as the reason to put it into utils.h are no longer existing - rename it to struct node_hdr, as the "tdb" in its name has only historical reasons - replace the empty permission array at the end with a comment about the layout of data in the data base (concatenation of header, permissions, node contents, and children list) - use narrower types for num_perms and datalen, as those are naturally limited to XENSTORE_PAYLOAD_MAX (childlen is different here, as it is in theory basically unlimited) Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Julien Grall <jgrall@amazon.com>