block: remove per-queue plugging

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

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 0cc30ecda4c128196cd147fc06f8cf9ddbb1085b..ca0d79c264b98ad66c32231e819ff1e0ecfab060 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4812,7 +4812,6 @@ static int do_md_stop(mddev_t * mddev, int mode, int is_open)
                __md_stop_writes(mddev);
                md_stop(mddev);
                mddev->queue->merge_bvec_fn = NULL;
-               mddev->queue->unplug_fn = NULL;
                mddev->queue->backing_dev_info.congested_fn = NULL;
 
                /* tell userspace to handle 'inactive' */
@@ -6669,8 +6668,6 @@ EXPORT_SYMBOL_GPL(md_allow_write);
 
 void md_unplug(mddev_t *mddev)
 {
-       if (mddev->queue)
-               blk_unplug(mddev->queue);
        if (mddev->plug)
                mddev->plug->unplug_fn(mddev->plug);
 }
@@ -6853,7 +6850,6 @@ void md_do_sync(mddev_t *mddev)
                     >= mddev->resync_max - mddev->curr_resync_completed
                            )) {
                        /* time to update curr_resync_completed */
-                       md_unplug(mddev);
                        wait_event(mddev->recovery_wait,
                                   atomic_read(&mddev->recovery_active) == 0);
                        mddev->curr_resync_completed = j;
@@ -6929,7 +6925,6 @@ void md_do_sync(mddev_t *mddev)
                 * about not overloading the IO subsystem. (things like an
                 * e2fsck being done on the RAID array should execute fast)
                 */
-               md_unplug(mddev);
                cond_resched();
 
                currspeed = ((unsigned long)(io_sectors-mddev->resync_mark_cnt))/2
@@ -6948,8 +6943,6 @@ void md_do_sync(mddev_t *mddev)
         * this also signals 'finished resyncing' to md_stop
         */
  out:
-       md_unplug(mddev);
-
        wait_event(mddev->recovery_wait, !atomic_read(&mddev->recovery_active));
 
        /* tell personality that we are finished */