80  * We maintain four lists of jobs:
82  * i)   jobs waiting for pages
83  * ii)  jobs that have pages, and are waiting for the io to be issued.
84  * iii) jobs that don't need to do any IO and just run a callback
85  * iv) jobs that have completed.
417 static struct kcopyd_job *pop_io_job(struct list_head *jobs,  in pop_io_job()  argument
423 	 * For I/O jobs, pop any read, any write without sequential write  in pop_io_job()
426 	list_for_each_entry(job, jobs, list) {  in pop_io_job()
443 static struct kcopyd_job *pop(struct list_head *jobs,  in pop()  argument
450 	if (!list_empty(jobs)) {  in pop()
451 		if (jobs == &kc->io_jobs)  in pop()
452 			job = pop_io_job(jobs, kc);  in pop()
454 			job = list_entry(jobs->next, struct kcopyd_job, list);  in pop()
463 static void push(struct list_head *jobs, struct kcopyd_job *job)  in push()  argument
469 	list_add_tail(&job->list, jobs);  in push()
474 static void push_head(struct list_head *jobs, struct kcopyd_job *job)  in push_head()  argument
479 	list_add(&job->list, jobs);  in push_head()
503 	 * If this is the master job, the sub jobs have already  in run_complete_job()
609  * of successful jobs.
611 static int process_jobs(struct list_head *jobs, struct dm_kcopyd_client *kc,  in process_jobs()  argument
617 	while ((job = pop(jobs, kc))) {  in process_jobs()
637 			push_head(jobs, job);  in process_jobs()
658 	 * complete jobs can free some pages for pages jobs.  in do_work()
659 	 * Pages jobs when successful will jump onto the io jobs  in do_work()
660 	 * list.  io jobs call wake when they complete and it all  in do_work()
677  * jobs.
763  * Create some sub jobs to share the work between them.
786 	 * Allocate an array of jobs consisting of one master job  in dm_kcopyd_copy()
787 	 * followed by SPLIT_COUNT sub jobs.  in dm_kcopyd_copy()
978 	/* Wait for completion of all jobs submitted by this client. */  in dm_kcopyd_client_destroy()