Author: sephe
Date: Tue Sep 20 08:52:45 2016
New Revision: 306015
URL: https://svnweb.freebsd.org/changeset/base/306015
Log:
hyperv/storvsc: Fix SRB length setting.
This fixes disk discovery issue on WS2008R2 Hyper-V, which plagued
us since 10.2-release.
Reported by: many
MFC after: 3 days
Sponsored by: Microsoft
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 Tue Sep 20
05:45:18 2016 (r306014)
+++ head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Tue Sep 20
08:52:45 2016 (r306015)
@@ -705,7 +705,8 @@ hv_storvsc_io_request(struct storvsc_sof
vstor_packet->flags |= REQUEST_COMPLETION_FLAG;
- vstor_packet->u.vm_srb.length = VSTOR_PKT_SIZE;
+ vstor_packet->u.vm_srb.length =
+ sizeof(struct vmscsi_req) - vmscsi_size_delta;
vstor_packet->u.vm_srb.sense_info_len = sense_buffer_size;
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