Bug 211549 - [Hyper-V]SCSI UNMAP/TRIM support for FreeBSD on win2012R2
Summary: [Hyper-V]SCSI UNMAP/TRIM support for FreeBSD on win2012R2
Status: Closed FIXED
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: CURRENT
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-virtualization (Nobody)
URL:
Keywords: patch
Depends on:
Blocks:
 
Reported: 2016-08-03 14:07 UTC by Hongjiang
Modified: 2016-08-09 05:19 UTC (History)
5 users (show)

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Hongjiang 2016-08-03 14:07:03 UTC 
FreeBSD on Windows 201R2 get SCSI SPC-2 even though the host supports SPC-3. As a result, the UNMAP is not supported from VM perspective of view.
Comment 1 Hongjiang 2016-08-04 00:59:44 UTC 
The patch is ready: 
https://reviews.freebsd.org/D7405
Comment 2 Hongjiang 2016-08-09 05:19:12 UTC 
Fix on head r303737