delphij 8bbc3504dc 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

MFC after:	2 weeks
2014-10-04 08:51:57 +00:00
..
2014-10-02 19:11:18 +00:00
2014-10-03 10:18:22 +00:00
2014-09-25 19:10:32 +00:00
2014-10-04 08:08:56 +00:00
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2014-10-04 08:08:56 +00:00
2014-09-23 06:32:19 +00:00