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Re: Fstrans rewrite without rwlock

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.

J. Hannken-Illjes - - TU Braunschweig 

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