356 	struct bdi_writeback	*new_wb;  member
372 				struct bdi_writeback *new_wb)  in inode_do_switch_wbs()  argument
389 	trace_inode_switch_wbs(inode, old_wb, new_wb);  in inode_do_switch_wbs()
400 			wb_stat_mod(new_wb, WB_RECLAIMABLE, nr);  in inode_do_switch_wbs()
409 		wb_stat_mod(new_wb, WB_WRITEBACK, nr);  in inode_do_switch_wbs()
414 		atomic_inc(&new_wb->writeback_inodes);  in inode_do_switch_wbs()
417 	wb_get(new_wb);  in inode_do_switch_wbs()
428 		inode->i_wb = new_wb;  in inode_do_switch_wbs()
433 			list_for_each_entry(pos, &new_wb->b_dirty, i_io_list)  in inode_do_switch_wbs()
437 			inode_io_list_move_locked(inode, new_wb,  in inode_do_switch_wbs()
440 			inode_cgwb_move_to_attached(inode, new_wb);  in inode_do_switch_wbs()
443 		inode->i_wb = new_wb;  in inode_do_switch_wbs()
470 	struct bdi_writeback *new_wb = isw->new_wb;  in inode_switch_wbs_work_fn()  local
490 	if (old_wb < new_wb) {  in inode_switch_wbs_work_fn()
492 		spin_lock_nested(&new_wb->list_lock, SINGLE_DEPTH_NESTING);  in inode_switch_wbs_work_fn()
494 		spin_lock(&new_wb->list_lock);  in inode_switch_wbs_work_fn()
500 		if (inode_do_switch_wbs(*inodep, old_wb, new_wb))  in inode_switch_wbs_work_fn()
504 	spin_unlock(&new_wb->list_lock);  in inode_switch_wbs_work_fn()
510 		wb_wakeup(new_wb);  in inode_switch_wbs_work_fn()
516 	wb_put(new_wb);  in inode_switch_wbs_work_fn()
522 				     struct bdi_writeback *new_wb)  in inode_prepare_wbs_switch()  argument
539 	    inode_to_wb(inode) == new_wb) {  in inode_prepare_wbs_switch()
587 	isw->new_wb = wb_get_create(bdi, memcg_css, GFP_ATOMIC);  in inode_switch_wbs()
589 	if (!isw->new_wb)  in inode_switch_wbs()
592 	if (!inode_prepare_wbs_switch(inode, isw->new_wb))  in inode_switch_wbs()
609 	if (isw->new_wb)  in inode_switch_wbs()
610 		wb_put(isw->new_wb);  in inode_switch_wbs()
620 		if (!inode_prepare_wbs_switch(inode, isw->new_wb))  in isw_prepare_wbs_switch()
656 		isw->new_wb = wb_get_create(wb->bdi, memcg_css, GFP_KERNEL);  in cleanup_offline_cgwb()
657 		if (isw->new_wb)  in cleanup_offline_cgwb()
660 	if (unlikely(!isw->new_wb))  in cleanup_offline_cgwb()
661 		isw->new_wb = &wb->bdi->wb; /* wb_get() is noop for bdi's wb */  in cleanup_offline_cgwb()
681 		wb_put(isw->new_wb);  in cleanup_offline_cgwb()