+static int bch2_dev_remove_alloc(struct bch_fs *c, struct bch_dev *ca)
+{
+ struct bpos start = POS(ca->dev_idx, 0);
+ struct bpos end = POS(ca->dev_idx, U64_MAX);
+ int ret;
+
+ /*
+ * We clear the LRU and need_discard btrees first so that we don't race
+ * with bch2_do_invalidates() and bch2_do_discards()
+ */
+ ret = bch2_btree_delete_range(c, BTREE_ID_lru, start, end,
+ BTREE_TRIGGER_NORUN, NULL) ?:
+ bch2_btree_delete_range(c, BTREE_ID_need_discard, start, end,
+ BTREE_TRIGGER_NORUN, NULL) ?:
+ bch2_btree_delete_range(c, BTREE_ID_freespace, start, end,
+ BTREE_TRIGGER_NORUN, NULL) ?:
+ bch2_btree_delete_range(c, BTREE_ID_backpointers, start, end,
+ BTREE_TRIGGER_NORUN, NULL) ?:
+ bch2_btree_delete_range(c, BTREE_ID_alloc, start, end,
+ BTREE_TRIGGER_NORUN, NULL);
+ if (ret)
+ bch_err(c, "error removing dev alloc info: %s", bch2_err_str(ret));
+
+ return ret;
+}
+