From: Alex Ng Date: Sun, 6 Nov 2016 21:14:11 +0000 (-0800) Subject: Drivers: hv: vss: Operation timeouts should match host expectation X-Git-Tag: v4.10-rc1~146^2~78 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b357fd3908c1191f2f56e38aa77f2aecdae18bc8;p=karo-tx-linux.git Drivers: hv: vss: Operation timeouts should match host expectation 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c index 5c95ba1e2ecf..eee238cc60bd 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) {