block: convert blkdev_issue_flush() to use empty barriers

Then we can get rid of ->issue_flush_fn() and all the driver private
implementations of that.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe
2007-10-16 11:05:02 +02:00
parent bf2de6f5a4
commit fd5d806266
16 changed files with 36 additions and 329 deletions

View File

@ -3463,7 +3463,6 @@ static int do_md_stop(mddev_t * mddev, int mode)
mddev->pers->stop(mddev);
mddev->queue->merge_bvec_fn = NULL;
mddev->queue->unplug_fn = NULL;
mddev->queue->issue_flush_fn = NULL;
mddev->queue->backing_dev_info.congested_fn = NULL;
if (mddev->pers->sync_request)
sysfs_remove_group(&mddev->kobj, &md_redundancy_group);