K 10
svn:author
V 7
delphij
K 8
svn:date
V 27
2014-10-20T21:59:11.282407Z
K 7
svn:log
V 224
MFC r272510: MFV r272498:

Add a new sysctl, vfs.zfs.vol.unmap_enabled, which allows the system
administrator to toggle whether ZFS should ignore UNMAP requests.

Illumos issue:
    5149 zvols need a way to ignore DKIOCFREE

END