aboutsummaryrefslogtreecommitdiffstats
path: root/mm/backing-dev.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c18
1 files changed, 1 insertions, 17 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 6dc4580df2af..000e7b3b9896 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -359,23 +359,6 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi)
359 flush_delayed_work(&bdi->wb.dwork); 359 flush_delayed_work(&bdi->wb.dwork);
360} 360}
361 361
362/*
363 * Called when the device behind @bdi has been removed or ejected.
364 *
365 * We can't really do much here except for reducing the dirty ratio at
366 * the moment. In the future we should be able to set a flag so that
367 * the filesystem can handle errors at mark_inode_dirty time instead
368 * of only at writeback time.
369 */
370void bdi_unregister(struct backing_dev_info *bdi)
371{
372 if (WARN_ON_ONCE(!bdi->dev))
373 return;
374
375 bdi_set_min_ratio(bdi, 0);
376}
377EXPORT_SYMBOL(bdi_unregister);
378
379static void bdi_wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi) 362static void bdi_wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi)
380{ 363{
381 memset(wb, 0, sizeof(*wb)); 364 memset(wb, 0, sizeof(*wb));
@@ -443,6 +426,7 @@ void bdi_destroy(struct backing_dev_info *bdi)
443 int i; 426 int i;
444 427
445 bdi_wb_shutdown(bdi); 428 bdi_wb_shutdown(bdi);
429 bdi_set_min_ratio(bdi, 0);
446 430
447 WARN_ON(!list_empty(&bdi->work_list)); 431 WARN_ON(!list_empty(&bdi->work_list));
448 WARN_ON(delayed_work_pending(&bdi->wb.dwork)); 432 WARN_ON(delayed_work_pending(&bdi->wb.dwork));