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Re: Fstrans rewrite without rwlock

"J. Hannken-Illjes" <> writes:

> On Jan 13, 2013, at 7:24 PM, Greg Troxel <> wrote:
>> J. Hannken-Illjes <> writes:
>>> Attached is a complete rewrite based on passive serialization and
>>> condvars.  The fast paths (fstrans_start/fstrans_done on a file system
>>> not suspended or suspending and fscow_run) now run without locks or
>>> other atomic operations.  Suspension and cow handler insertion and
>>> removal is done with mutex / condvars.
>> How many ports have you run the regression test on with the change?
>> (Presumably there are no new failures.)
> Did functional and stress tests on i386 only  --  my atf testbed is
> currently not working.

I think any change of this magnitude should have atf runs on multiple
architectures, including a few that are outliers relative to passive
seralization implementations.

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