d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

hyperv/storvsc: Don't use timedwait.

Browse Source 
The timeout is unnecessary.

Reviewed by:	jhb
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8656
This commit is contained in:
Sepherosa Ziehau 2016-11-30 08:21:15 +00:00
parent ca567dee01
commit 14c85e527e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=309320
1 changed files with 6 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
View File

@ -413,13 +413,7 @@ storvsc_send_multichannel_request(struct storvsc_softc *sc, int max_chans)
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_softc *sc)
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_softc *sc)
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_softc *sc)
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_softc *sc)
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_softc *sc)
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