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Commit b357fd39 authored by Alex Ng's avatar Alex Ng Committed by Greg Kroah-Hartman
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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: default avatarAlex Ng <alexng@microsoft.com>
Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 23d2cc0c

drivers/hv/hv_snapshot.c

+6 −2
Original line number Diff line number Diff line
@@ -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) {