Lines Matching defs:old_wb

396 				struct bdi_writeback *old_wb,
414 	trace_inode_switch_wbs(inode, old_wb, new_wb);
424 			wb_stat_mod(old_wb, WB_RECLAIMABLE, -nr);
433 		wb_stat_mod(old_wb, WB_WRITEBACK, -nr);
438 		atomic_dec(&old_wb->writeback_inodes);
494 	struct bdi_writeback *old_wb = isw->inodes[0]->i_wb;
511 	 * Grabbing old_wb->list_lock, inode->i_lock and the i_pages lock
515 	if (old_wb < new_wb) {
516 		spin_lock(&old_wb->list_lock);
520 		spin_lock_nested(&old_wb->list_lock, SINGLE_DEPTH_NESTING);
524 		WARN_ON_ONCE((*inodep)->i_wb != old_wb);
525 		if (inode_do_switch_wbs(*inodep, old_wb, new_wb))
530 	spin_unlock(&old_wb->list_lock);
536 		wb_put_many(old_wb, nr_switched);