Lines Matching refs:fcc
635 struct flush_cmd_control *fcc = SM_I(sbi)->fcc_info; in issue_flush_thread() local
636 wait_queue_head_t *q = &fcc->flush_wait_queue; in issue_flush_thread()
641 if (!llist_empty(&fcc->issue_list)) { in issue_flush_thread()
645 fcc->dispatch_list = llist_del_all(&fcc->issue_list); in issue_flush_thread()
646 fcc->dispatch_list = llist_reverse_order(fcc->dispatch_list); in issue_flush_thread()
648 cmd = llist_entry(fcc->dispatch_list, struct flush_cmd, llnode); in issue_flush_thread()
651 atomic_inc(&fcc->issued_flush); in issue_flush_thread()
654 fcc->dispatch_list, llnode) { in issue_flush_thread()
658 fcc->dispatch_list = NULL; in issue_flush_thread()
662 kthread_should_stop() || !llist_empty(&fcc->issue_list)); in issue_flush_thread()
668 struct flush_cmd_control *fcc = SM_I(sbi)->fcc_info; in f2fs_issue_flush() local
676 atomic_inc(&fcc->queued_flush); in f2fs_issue_flush()
678 atomic_dec(&fcc->queued_flush); in f2fs_issue_flush()
679 atomic_inc(&fcc->issued_flush); in f2fs_issue_flush()
683 if (atomic_inc_return(&fcc->queued_flush) == 1 || in f2fs_issue_flush()
686 atomic_dec(&fcc->queued_flush); in f2fs_issue_flush()
688 atomic_inc(&fcc->issued_flush); in f2fs_issue_flush()
695 llist_add(&cmd.llnode, &fcc->issue_list); in f2fs_issue_flush()
704 if (waitqueue_active(&fcc->flush_wait_queue)) in f2fs_issue_flush()
705 wake_up(&fcc->flush_wait_queue); in f2fs_issue_flush()
707 if (fcc->f2fs_issue_flush) { in f2fs_issue_flush()
709 atomic_dec(&fcc->queued_flush); in f2fs_issue_flush()
713 list = llist_del_all(&fcc->issue_list); in f2fs_issue_flush()
716 atomic_dec(&fcc->queued_flush); in f2fs_issue_flush()
725 atomic_dec(&fcc->queued_flush); in f2fs_issue_flush()
740 struct flush_cmd_control *fcc; in f2fs_create_flush_cmd_control() local
744 fcc = SM_I(sbi)->fcc_info; in f2fs_create_flush_cmd_control()
745 if (fcc->f2fs_issue_flush) in f2fs_create_flush_cmd_control()
750 fcc = f2fs_kzalloc(sbi, sizeof(struct flush_cmd_control), GFP_KERNEL); in f2fs_create_flush_cmd_control()
751 if (!fcc) in f2fs_create_flush_cmd_control()
753 atomic_set(&fcc->issued_flush, 0); in f2fs_create_flush_cmd_control()
754 atomic_set(&fcc->queued_flush, 0); in f2fs_create_flush_cmd_control()
755 init_waitqueue_head(&fcc->flush_wait_queue); in f2fs_create_flush_cmd_control()
756 init_llist_head(&fcc->issue_list); in f2fs_create_flush_cmd_control()
757 SM_I(sbi)->fcc_info = fcc; in f2fs_create_flush_cmd_control()
762 fcc->f2fs_issue_flush = kthread_run(issue_flush_thread, sbi, in f2fs_create_flush_cmd_control()
764 if (IS_ERR(fcc->f2fs_issue_flush)) { in f2fs_create_flush_cmd_control()
765 err = PTR_ERR(fcc->f2fs_issue_flush); in f2fs_create_flush_cmd_control()
766 kfree(fcc); in f2fs_create_flush_cmd_control()
776 struct flush_cmd_control *fcc = SM_I(sbi)->fcc_info; in f2fs_destroy_flush_cmd_control() local
778 if (fcc && fcc->f2fs_issue_flush) { in f2fs_destroy_flush_cmd_control()
779 struct task_struct *flush_thread = fcc->f2fs_issue_flush; in f2fs_destroy_flush_cmd_control()
781 fcc->f2fs_issue_flush = NULL; in f2fs_destroy_flush_cmd_control()
785 kfree(fcc); in f2fs_destroy_flush_cmd_control()