提交 873b0d5f 编写于 作者: L Lars Ellenberg 提交者: Philipp Reisner

drbd: serialize admin requests for new verify run with pending bitmap io

This is an addendum to
 drbd: serialize admin requests for new resync with pending bitmap io

It avoids a race that could trigger "FIXME" assert log messages.
Signed-off-by: NPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: NLars Ellenberg <lars.ellenberg@linbit.com>
上级 e636db5b
......@@ -2106,6 +2106,11 @@ static int drbd_nl_start_ov(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
reply->ret_code = ERR_MANDATORY_TAG;
return 0;
}
/* If there is still bitmap IO pending, e.g. previous resync or verify
* just being finished, wait for it before requesting a new resync. */
wait_event(mdev->misc_wait, !test_bit(BITMAP_IO, &mdev->flags));
/* w_make_ov_request expects position to be aligned */
mdev->ov_start_sector = args.start_sector & ~BM_SECT_PER_BIT;
reply->ret_code = drbd_request_state(mdev,NS(conn,C_VERIFY_S));
......
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