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authorLars Ellenberg <lars.ellenberg@linbit.com>2014-04-23 12:25:23 +0200
committerPhilipp Reisner <philipp.reisner@linbit.com>2014-07-10 18:35:09 +0200
commit45d2933c921c51ddd2780a806193ab00e03fe215 (patch)
treecb692e7a7e817f784cf62f5e0e725159471c77c5 /drivers/block/drbd
parentb9ed7080d7d29112c898c64bad778b84eec0ed2d (diff)
downloadlwn-45d2933c921c51ddd2780a806193ab00e03fe215.tar.gz
lwn-45d2933c921c51ddd2780a806193ab00e03fe215.zip
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 <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd')
-rw-r--r--drivers/block/drbd/drbd_receiver.c5
1 files changed, 5 insertions, 0 deletions
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;