[illumos-Developer] iSCSI UNMAP with DKIOCFREE
Dan McDonald
danmcd at nexenta.com
Wed Feb 23 13:59:55 PST 2011
On Wed, Feb 23, 2011 at 12:12:18PM -0800, George Wilson wrote:
> On 2/23/11 11:59 AM, Dan McDonald wrote:
> >On Wed, Feb 23, 2011 at 09:38:47AM -0800, George Wilson wrote:
> >>Dan,
> >>
> >>The latest changes look good. I've also finished looking at
> >>dmu_free_long_range() and as feared we're going to need to log an
> >>intention for this in the zil so that we can replay this if a crash
> >>were ever to happen.
> >So I see two possibilities after an initial exploration:
> >
> >1.) Have DKIOCFREE code do a distinct ZIL intention. I see two possible
> > places...
<SNIP!>
> I think the above is the cleanest way.
I've changes that compile and lint, but I won't be testing them until after
dinner. These are subject to smoke-test results, but here they are:
http://www.kebe.com/~danmcd/webrevs/unmap/
and keep focussed on zvol.c.
Thanks!
Dan
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