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| author | Alex Ng <alexng@messages.microsoft.com> | 2016-11-06 22:14:11 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-07 10:01:17 +0100 |
| commit | b357fd3908c1191f2f56e38aa77f2aecdae18bc8 (patch) | |
| tree | 587e8dac49db4cf1d2f4dac4fc03507c17c3dce9 | |
| parent | Drivers: hv: vss: Improve log messages. (diff) | |
| download | linux-b357fd3908c1191f2f56e38aa77f2aecdae18bc8.tar.xz linux-b357fd3908c1191f2f56e38aa77f2aecdae18bc8.zip | |
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>
| -rw-r--r-- | 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 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) { |