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Commit 45d2933c authored by Lars Ellenberg's avatar Lars Ellenberg Committed by Philipp Reisner
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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: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: default avatarLars Ellenberg <lars.ellenberg@linbit.com>
parent b9ed7080

drivers/block/drbd/drbd_receiver.c

+5 −0
Original line number Diff line number Diff line
@@ -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;