summaryrefslogtreecommitdiff
path: root/drivers/hv
diff options
context:
space:
mode:
authorAlex Ng <alexng@messages.microsoft.com>2016-11-06 13:14:11 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-07 10:01:17 +0100
commitb357fd3908c1191f2f56e38aa77f2aecdae18bc8 (patch)
tree587e8dac49db4cf1d2f4dac4fc03507c17c3dce9 /drivers/hv
parent23d2cc0c29eb0e7c6fe4cac88098306c31c40208 (diff)
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 <alexng@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/hv_snapshot.c8
1 files changed, 6 insertions, 2 deletions
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) {