Re: [PATCH 0/9] target: Add support for COMPARE_AND_WRITE (VAAI) emulation

2013-08-20 Thread Nicholas A. Bellinger
On Tue, 2013-08-20 at 18:01 -0400, Douglas Gilbert wrote: > On 13-08-20 05:53 PM, Nicholas A. Bellinger wrote: > > On Tue, 2013-08-20 at 23:29 +0200, Christoph Hellwig wrote: > >> Also for a complex command like this with all it's race potential I would > >> really like to see some test cases to

Re: [PATCH 0/9] target: Add support for COMPARE_AND_WRITE (VAAI) emulation

2013-08-20 Thread Douglas Gilbert
On 13-08-20 05:53 PM, Nicholas A. Bellinger wrote: On Tue, 2013-08-20 at 23:29 +0200, Christoph Hellwig wrote: On Tue, Aug 20, 2013 at 08:07:51PM +, Nicholas A. Bellinger wrote: It's also currently lacking the necessary sychronization between I/O submission of COMPARE_AND_WRITE verify inst

Re: [PATCH 0/9] target: Add support for COMPARE_AND_WRITE (VAAI) emulation

2013-08-20 Thread Nicholas A. Bellinger
On Tue, 2013-08-20 at 23:29 +0200, Christoph Hellwig wrote: > On Tue, Aug 20, 2013 at 08:07:51PM +, Nicholas A. Bellinger wrote: > > > > It's also currently lacking the necessary sychronization between I/O > > submission of COMPARE_AND_WRITE verify instance and write instance > > user data, wh

Re: [PATCH 0/9] target: Add support for COMPARE_AND_WRITE (VAAI) emulation

2013-08-20 Thread Christoph Hellwig
On Tue, Aug 20, 2013 at 08:07:51PM +, Nicholas A. Bellinger wrote: > > It's also currently lacking the necessary sychronization between I/O > submission of COMPARE_AND_WRITE verify instance and write instance > user data, which is still being worked on in order to avoid additional > overhead i