95  * Thread that sends requests back to primary takes requests from this list.
247 	 * When we work as primary and secondary is missing we will increase  in init_remote()
252 	 * and are both configured as primary nodes. In turn, they can both  in init_remote()
256 	 * When we connect we can see that primary's localcnt is greater than  in init_remote()
257 	 * our remotecnt (primary was modified while we weren't watching) and  in init_remote()
258 	 * our localcnt is greater than primary's remotecnt (we were modified  in init_remote()
259 	 * while primary wasn't watching).  in init_remote()
262 	 * is to compare them. We compare secondary's local with primary's  in init_remote()
263 	 * remote and secondary's remote with primary's local.  in init_remote()
264 	 * Note that every case where primary's localcnt is smaller than  in init_remote()
266 	 * primary's remotecnt should be impossible in practise. We will perform  in init_remote()
271 	 * SECONDARY METADATA PRIMARY METADATA  in init_remote()
273 	 * local=3 remote=3   local=2 remote=3*  ?! Full sync from primary.  in init_remote()
274 	 * local=3 remote=3   local=2 remote=4*  ?! Full sync from primary.  in init_remote()
275 	 * local=3 remote=3   local=3 remote=2   Primary is out-of-date,  in init_remote()
278 	 * local=3 remote=3   local=3 remote=4*  ?! Full sync from primary.  in init_remote()
281 	 *                                       regular sync from primary.  in init_remote()
282 	 * local=3 remote=3   local=4 remote=4*  ?! Full sync from primary.  in init_remote()
286 		 * Provider is used for the first time. If primary node done no  in init_remote()
288 		 * there is no need to synchronize anything. If primary node  in init_remote()
309 		    "Resource unique ID mismatch (primary=%ju, secondary=%ju).",  in init_remote()
322 	    /* Is primary out-of-date? */  in init_remote()
343 			/* Primary is out-of-date, sync from secondary. */  in init_remote()
348 			 * Sync from primary.  in init_remote()
386 			/* For the rest four cases sync from primary. */  in init_remote()
389 …pjdlog_warning("This should never happen, asking for full synchronization (primary(local=%ju, remo…  in init_remote()
649  * Thread receives requests from the primary node.
762 			 * When first request is received, it means that primary  in disk_thread()
856  * Thread sends requests back to primary node.