fs/gfs2/lock_dlm.c

366  *  9. dlm_recoverd notifies gfs2 when done (recover_done with new generation)
367  * 10. gfs2_control updates control_lock lvb with new generation and jid bits
382  * recover_done() provides a new lockspace generation number each time it
383  * is called (step 9).  This generation number is saved as recover_start.
393  *  9. recover_done sets recover_start = new generation number
403  * All nodes attempt to update the control_lock lvb with the new generation
406  * generation number.)
430  * for the latest lockspace generation before ever unblocking locks
464  * control_lock EX->NL, write lvb generation
470  * read lvb generation
482  * steps above until the lvb generation number is >= its mount generation
487  * 4 bytes generation number: the latest dlm lockspace generation number
489  * to reflect all slot failures through that generation.
495 #define JID_BITMAP_OFFSET 8 /* 4 byte generation number + 4 byte unused */
680 	 * yet been updated for the generation of the failure
697 		fs_info(sdp, "recover generation %u block1 %u %u\n",
753 		   latest generation to the lvb */
784 			fs_info(sdp, "recover generation %u jid %d\n",
804 		fs_info(sdp, "recover generation %u done\n", start_gen);
807 		fs_info(sdp, "recover generation %u block2 %u %u\n",
913 	 * updated by other mounted nodes to reflect our mount generation.
937 		fs_info(sdp, "first mounter control generation %u\n", lvb_gen);
947 	 * lvb generation to be >= the generation from our first recover_done
964 		   generation, which might include new recovery bits set */
981 		   latest recovery generation */
1193 			      int our_slot, uint32_t generation)
1206 	ls->ls_recover_start = generation;
1209 		ls->ls_recover_mount = generation;