block: remove per-queue plugging

[mirror_ubuntu-artful-kernel.git] / drivers / md / dm-table.c

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index dffa0ac7c4f0e135ec410bcc0e30dff9a443a78d..f50a7b95225794272c81abdf2f66a396a7a69159 100644 (file)
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -350,6 +350,7 @@ static void close_dev(struct dm_dev_internal *d, struct mapped_device *md)
        if (!d->dm_dev.bdev)
                return;
 
+       bd_unlink_disk_holder(d->dm_dev.bdev, dm_disk(md));
        blkdev_put(d->dm_dev.bdev, d->dm_dev.mode | FMODE_EXCL);
        d->dm_dev.bdev = NULL;
 }
@@ -1274,29 +1275,6 @@ int dm_table_any_busy_target(struct dm_table *t)
        return 0;
 }
 
-void dm_table_unplug_all(struct dm_table *t)
-{
-       struct dm_dev_internal *dd;
-       struct list_head *devices = dm_table_get_devices(t);
-       struct dm_target_callbacks *cb;
-
-       list_for_each_entry(dd, devices, list) {
-               struct request_queue *q = bdev_get_queue(dd->dm_dev.bdev);
-               char b[BDEVNAME_SIZE];
-
-               if (likely(q))
-                       blk_unplug(q);
-               else
-                       DMWARN_LIMIT("%s: Cannot unplug nonexistent device %s",
-                                    dm_device_name(t->md),
-                                    bdevname(dd->dm_dev.bdev, b));
-       }
-
-       list_for_each_entry(cb, &t->target_callbacks, list)
-               if (cb->unplug_fn)
-                       cb->unplug_fn(cb);
-}
-
 struct mapped_device *dm_table_get_md(struct dm_table *t)
 {
        return t->md;
@@ -1344,4 +1322,3 @@ EXPORT_SYMBOL(dm_table_get_mode);
 EXPORT_SYMBOL(dm_table_get_md);
 EXPORT_SYMBOL(dm_table_put);
 EXPORT_SYMBOL(dm_table_get);
-EXPORT_SYMBOL(dm_table_unplug_all);