ea825d02 - DIRDEPS_BUILD: Update dependencies.

Tue, 31 Oct 2017 00:07:04 +0000

DIRDEPS_BUILD: Update dependencies.Sponsored by: Dell EMC Isilon List of files: /freebsd-13.1/usr.sbin/hyperv/tools/vss/Makefile.depend

168fce73 - hyperv/vss: Add driver and tools for VSS

Tue, 15 Nov 2016 02:36:12 +0000

hyperv/vss: Add driver and tools for VSSVSS stands for "Volume Shadow Copy Service". Unlike virtual machinesnapshot, it only takes snapshot for the virtual disks, so bothfilesystem and applications have to aware of it, and cooperate thewhole VSS process.This driver exposes two device files to the userland: /dev/hv_fsvss_dev Normally userland programs should _not_ mess with this device file. It is currently used by the hv_vss_daemon(8), which freezes and thaws the filesystem. NOTE: currently only UFS is supported, if the system mounts _any_ other filesystems, the hv_vss_daemon(8) will veto the VSS process. If hv_vss_daemon(8) was disabled, then this device file must be opened, and proper ioctls must be issued to keep the VSS working. /dev/hv_appvss_dev Userland application can opened this device file to receive the VSS freeze notification, hold the VSS for a while (mainly to flush application data to filesystem), release the VSS process, and receive the VSS thaw notification i.e. applications can run again. The VSS will still work, even if this device file is not opened. However, only filesystem consistency is promised, if this device file is not opened or is not operated properly.hv_vss_daemon(8) is started by devd(8) by default. It can be disabledby editting /etc/devd/hyperv.conf.Submitted by: Hongjiang Zhang Reviewed by: kib, mckusickMFC after: 3 weeksSponsored by: MicrosoftDifferential Revision: https://reviews.freebsd.org/D8224 List of files: /freebsd-13.1/usr.sbin/hyperv/tools/vss/Makefile.depend

Changes in Makefile.depend

ea825d02 - DIRDEPS_BUILD: Update dependencies.

168fce73 - hyperv/vss: Add driver and tools for VSS