From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759212AbcJaFtE (ORCPT ); Mon, 31 Oct 2016 01:49:04 -0400 Received: from p3plsmtps2ded03.prod.phx3.secureserver.net ([208.109.80.60]:60480 "EHLO p3plsmtps2ded03.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759050AbcJaFs7 (ORCPT ); Mon, 31 Oct 2016 01:48:59 -0400 x-originating-ip: 72.167.245.219 From: kys@exchange.microsoft.com To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com, leann.ogasawara@canonical.com, sthemmin@microsoft.com Cc: Alex Ng , Alex Ng , "K. Y. Srinivasan" Subject: [PATCH 07/15] Drivers: hv: vss: Operation timeouts should match host expectation Date: Mon, 31 Oct 2016 00:41:42 -0700 Message-Id: <1477899710-28675-7-git-send-email-kys@exchange.microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1477899710-28675-1-git-send-email-kys@exchange.microsoft.com> References: <1477899668-28635-1-git-send-email-kys@exchange.microsoft.com> <1477899710-28675-1-git-send-email-kys@exchange.microsoft.com> Reply-To: kys@microsoft.com X-CMAE-Envelope: MS4wfCRBDFkJG5E8lyLK3+TT4RqiU+Y05Vzx/vvf3MEVpBNm1FyObaCcMgs9r/gPOuxnInH9Hx2ykklycpnygwpvS/NabPxi6Le9gtJLH6L2++ye1kjUtLGG 017eRQi50ajIW7I/QUvjlZFKkKBG1sgcZXYuY6Vqj2rdcgvDm6LIE1A0IgVRghgknMiEfbGUiMY7ZWUpPQXcxgwHJyGZYVDe8rX/czT23wv53MR/aRDX9yHk aZC7theJWVcuG4RnNGisdNnehz+CWSZVogKb7OacEIjuwN9g7mPBzRiAMPdiPgzrcfJNVO7bMKGbOYn3rXwJQ6lpduoDCOi/GpIN5FcXG2y2fPshUZNLW8xJ gwvYxDSAx9drSItcmgZDjfhYJ7yB5YtRQCIcqgfYi3jMkoXWPirWIrjttmOQSU6xSl80wJh4rTMdcfvbV2dBQSOwP0xjrLKEJ6fV6z2oWSkt/YQ2I5jTAto7 xVlXeFXlict437Khq9vIrL4YSY/UnQv8Q06VRJcDPFgkbU4O04yONBZsVz8PNwdZrD8Tfhlz34TH4gmCLg0S4x3p1p0OMVRJncSggw== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alex Ng Increase the timeout of backup operations. When system is under I/O load, it needs more time to freeze. These timeout values should also match the host timeout values more closely. Signed-off-by: Alex Ng Signed-off-by: K. Y. Srinivasan --- drivers/hv/hv_snapshot.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c index 5c95ba1..eee238c 100644 --- a/drivers/hv/hv_snapshot.c +++ b/drivers/hv/hv_snapshot.c @@ -31,7 +31,10 @@ #define VSS_MINOR 0 #define VSS_VERSION (VSS_MAJOR << 16 | VSS_MINOR) -#define VSS_USERSPACE_TIMEOUT (msecs_to_jiffies(10 * 1000)) +/* + * Timeout values are based on expecations from host + */ +#define VSS_FREEZE_TIMEOUT (15 * 60) /* * Global state maintained for transaction that is being processed. For a class @@ -186,7 +189,8 @@ static void vss_send_op(void) vss_transaction.state = HVUTIL_USERSPACE_REQ; - schedule_delayed_work(&vss_timeout_work, VSS_USERSPACE_TIMEOUT); + schedule_delayed_work(&vss_timeout_work, op == VSS_OP_FREEZE ? + VSS_FREEZE_TIMEOUT * HZ : HV_UTIL_TIMEOUT * HZ); rc = hvutil_transport_send(hvt, vss_msg, sizeof(*vss_msg), NULL); if (rc) { -- 1.7.4.1