From: Lars Ellenberg Date: Wed, 23 Apr 2014 10:25:23 +0000 (+0200) Subject: drbd: also keep track of trim -> zero-out fallback peer_requests X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=45d2933c921c51ddd2780a806193ab00e03fe215;p=deliverable%2Flinux.git drbd: also keep track of trim -> zero-out fallback peer_requests To be able to find and present such zero-out fallback peer_requests in debugfs, we add those to "active_ee", once that list drained. Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index db5c58042734..7a1078d285dd 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1370,6 +1370,11 @@ int drbd_submit_peer_request(struct drbd_device *device, /* wait for all pending IO completions, before we start * zeroing things out. */ conn_wait_active_ee_empty(first_peer_device(device)->connection); + /* add it to the active list now, + * so we can find it to present it in debugfs */ + spin_lock_irq(&device->resource->req_lock); + list_add_tail(&peer_req->w.list, &device->active_ee); + spin_unlock_irq(&device->resource->req_lock); if (blkdev_issue_zeroout(device->ldev->backing_bdev, sector, ds >> 9, GFP_NOIO)) peer_req->flags |= EE_WAS_ERROR;