svn commit: r309320 - head/sys/dev/hyperv/storvsc

[Sepherosa Ziehau]

Author: sephe
Date: Wed Nov 30 08:21:15 2016
New Revision: 309320
URL: https://svnweb.freebsd.org/changeset/base/309320

Log:
  hyperv/storvsc: Don't use timedwait.
  
  The timeout is unnecessary.
  
  Reviewed by:	jhb
  MFC after:	1 week
  Sponsored by:	Microsoft
  Differential Revision:	https://reviews.freebsd.org/D8656

Modified:
  head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c

Modified: head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c	Wed Nov 30 08:10:49 2016	(r309319)
+++ head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c	Wed Nov 30 08:21:15 2016	(r309320)
@@ -413,13 +413,7 @@ storvsc_send_multichannel_request(struct
 	    VMBUS_CHANPKT_TYPE_INBAND, VMBUS_CHANPKT_FLAG_RC,
 	    vstor_packet, VSTOR_PKT_SIZE, (uint64_t)(uintptr_t)request);
 
-	/* wait for 5 seconds */
-	ret = sema_timedwait(&request->synch_sema, 5 * hz);
-	if (ret != 0) {		
-		printf("Storvsc_error: create multi-channel timeout, %d\n",
-		    ret);
-		return;
-	}
+	sema_wait(&request->synch_sema);
 
 	if (vstor_packet->operation != VSTOR_OPERATION_COMPLETEIO ||
 	    vstor_packet->status != 0) {		
@@ -486,10 +480,7 @@ hv_storvsc_channel_init(struct storvsc_s
 	if (ret != 0)
 		goto cleanup;
 
-	/* wait 5 seconds */
-	ret = sema_timedwait(&request->synch_sema, 5 * hz);
-	if (ret != 0)
-		goto cleanup;
+	sema_wait(&request->synch_sema);
 
 	if (vstor_packet->operation != VSTOR_OPERATION_COMPLETEIO ||
 		vstor_packet->status != 0) {
@@ -516,11 +507,7 @@ hv_storvsc_channel_init(struct storvsc_s
 		if (ret != 0)
 			goto cleanup;
 
-		/* wait 5 seconds */
-		ret = sema_timedwait(&request->synch_sema, 5 * hz);
-
-		if (ret)
-			goto cleanup;
+		sema_wait(&request->synch_sema);
 
 		if (vstor_packet->operation != VSTOR_OPERATION_COMPLETEIO) {
 			ret = EINVAL;
@@ -555,11 +542,7 @@ hv_storvsc_channel_init(struct storvsc_s
 	if ( ret != 0)
 		goto cleanup;
 
-	/* wait 5 seconds */
-	ret = sema_timedwait(&request->synch_sema, 5 * hz);
-
-	if (ret != 0)
-		goto cleanup;
+	sema_wait(&request->synch_sema);
 
 	/* TODO: Check returned version */
 	if (vstor_packet->operation != VSTOR_OPERATION_COMPLETEIO ||
@@ -588,11 +571,7 @@ hv_storvsc_channel_init(struct storvsc_s
 		goto cleanup;
 	}
 
-	/* wait 5 seconds */
-	ret = sema_timedwait(&request->synch_sema, 5 * hz);
-
-	if (ret != 0)
-		goto cleanup;
+	sema_wait(&request->synch_sema);
 
 	if (vstor_packet->operation != VSTOR_OPERATION_COMPLETEIO ||
 	    vstor_packet->status != 0)
@@ -672,12 +651,7 @@ hv_storvsc_host_reset(struct storvsc_sof
 		goto cleanup;
 	}
 
-	ret = sema_timedwait(&request->synch_sema, 5 * hz); /* KYS 5 seconds */
-
-	if (ret) {
-		goto cleanup;
-	}
-
+	sema_wait(&request->synch_sema);
 
 	/*
 	 * At this point, all outstanding requests in the adapter