drbd: Remove the unused hash tables

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 2b83aaf02c33..1ddf6b61b20b 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -122,10 +122,13 @@ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(lo
         list_del(&e->w.list); /* has been on active_ee or sync_ee */
         list_add_tail(&e->w.list, &mdev->done_ee);
 
-        /* No hlist_del_init(&e->collision) here, we did not send the Ack yet,
-         * neither did we wake possibly waiting conflicting requests.
-         * done from "drbd_process_done_ee" within the appropriate w.cb
-         * (e_end_block/e_end_resync_block) or from _drbd_clear_done_ee */
+        /*
+         * Do not remove from the epoch_entries tree here: we did not send the
+         * Ack yet and did not wake possibly waiting conflicting requests.
+         * Removed from the tree from "drbd_process_done_ee" within the
+         * appropriate w.cb (e_end_block/e_end_resync_block) or from
+         * _drbd_clear_done_ee.
+         */
 
         do_wake = list_empty(block_id == ID_SYNCER ? &mdev->sync_ee : &mdev->active_ee);