3424 static int ext4_run_li_request(struct ext4_li_request *elr)  in ext4_run_li_request()  argument
3427 	struct super_block *sb = elr->lr_super;  in ext4_run_li_request()
3429 	ext4_group_t group = elr->lr_next_group;  in ext4_run_li_request()
3434 	if (elr->lr_mode == EXT4_LI_MODE_PREFETCH_BBITMAP) {  in ext4_run_li_request()
3435 		elr->lr_next_group = ext4_mb_prefetch(sb, group,  in ext4_run_li_request()
3438 			ext4_mb_prefetch_fini(sb, elr->lr_next_group,  in ext4_run_li_request()
3440 		trace_ext4_prefetch_bitmaps(sb, group, elr->lr_next_group,  in ext4_run_li_request()
3442 		if (group >= elr->lr_next_group) {  in ext4_run_li_request()
3444 			if (elr->lr_first_not_zeroed != ngroups &&  in ext4_run_li_request()
3446 				elr->lr_next_group = elr->lr_first_not_zeroed;  in ext4_run_li_request()
3447 				elr->lr_mode = EXT4_LI_MODE_ITABLE;  in ext4_run_li_request()
3471 					    elr->lr_timeout ? 0 : 1);  in ext4_run_li_request()
3473 		if (elr->lr_timeout == 0) {  in ext4_run_li_request()
3475 				EXT4_SB(elr->lr_super)->s_li_wait_mult;  in ext4_run_li_request()
3476 			elr->lr_timeout = timeout;  in ext4_run_li_request()
3478 		elr->lr_next_sched = jiffies + elr->lr_timeout;  in ext4_run_li_request()
3479 		elr->lr_next_group = group + 1;  in ext4_run_li_request()
3488 static void ext4_remove_li_request(struct ext4_li_request *elr)  in ext4_remove_li_request()  argument
3490 	if (!elr)  in ext4_remove_li_request()
3493 	list_del(&elr->lr_request);  in ext4_remove_li_request()
3494 	EXT4_SB(elr->lr_super)->s_li_request = NULL;  in ext4_remove_li_request()
3495 	kfree(elr);  in ext4_remove_li_request()
3527 	struct ext4_li_request *elr;  in ext4_lazyinit_thread()  local
3544 			elr = list_entry(pos, struct ext4_li_request,  in ext4_lazyinit_thread()
3547 			if (time_before(jiffies, elr->lr_next_sched)) {  in ext4_lazyinit_thread()
3548 				if (time_before(elr->lr_next_sched, next_wakeup))  in ext4_lazyinit_thread()
3549 					next_wakeup = elr->lr_next_sched;  in ext4_lazyinit_thread()
3552 			if (down_read_trylock(&elr->lr_super->s_umount)) {  in ext4_lazyinit_thread()
3553 				if (sb_start_write_trylock(elr->lr_super)) {  in ext4_lazyinit_thread()
3561 					err = ext4_run_li_request(elr);  in ext4_lazyinit_thread()
3562 					sb_end_write(elr->lr_super);  in ext4_lazyinit_thread()
3566 				up_read((&elr->lr_super->s_umount));  in ext4_lazyinit_thread()
3570 				ext4_remove_li_request(elr);  in ext4_lazyinit_thread()
3574 				elr->lr_next_sched = jiffies +  in ext4_lazyinit_thread()
3578 			if (time_before(elr->lr_next_sched, next_wakeup))  in ext4_lazyinit_thread()
3579 				next_wakeup = elr->lr_next_sched;  in ext4_lazyinit_thread()
3627 	struct ext4_li_request *elr;  in ext4_clear_request_list()  local
3631 		elr = list_entry(pos, struct ext4_li_request,  in ext4_clear_request_list()
3633 		ext4_remove_li_request(elr);  in ext4_clear_request_list()
3703 	struct ext4_li_request *elr;  in ext4_li_request_new()  local
3705 	elr = kzalloc(sizeof(*elr), GFP_KERNEL);  in ext4_li_request_new()
3706 	if (!elr)  in ext4_li_request_new()
3709 	elr->lr_super = sb;  in ext4_li_request_new()
3710 	elr->lr_first_not_zeroed = start;  in ext4_li_request_new()
3712 		elr->lr_mode = EXT4_LI_MODE_PREFETCH_BBITMAP;  in ext4_li_request_new()
3714 		elr->lr_mode = EXT4_LI_MODE_ITABLE;  in ext4_li_request_new()
3715 		elr->lr_next_group = start;  in ext4_li_request_new()
3723 	elr->lr_next_sched = jiffies + (prandom_u32() %  in ext4_li_request_new()
3725 	return elr;  in ext4_li_request_new()
3732 	struct ext4_li_request *elr = NULL;  in ext4_register_li_request()  local
3751 	elr = ext4_li_request_new(sb, first_not_zeroed);  in ext4_register_li_request()
3752 	if (!elr) {  in ext4_register_li_request()
3764 	list_add(&elr->lr_request, &ext4_li_info->li_request_list);  in ext4_register_li_request()
3767 	sbi->s_li_request = elr;  in ext4_register_li_request()
3773 	elr = NULL;  in ext4_register_li_request()
3783 		kfree(elr);  in ext4_register_li_request()