Re: [PATCH v2] x86, uaccess: introduce copy_from_iter_wt for pmem / writethrough operations

2017-05-05 Thread Kani, Toshimitsu
On Fri, 2017-04-28 at 12:39 -0700, Dan Williams wrote: > The pmem driver has a need to transfer data with a persistent memory > destination and be able to rely on the fact that the destination > writes are not cached. It is sufficient for the writes to be flushed > to a cpu-store-buffer

Re: [LSF/MM TOPIC] Badblocks checking/representation in filesystems

2017-01-20 Thread Kani, Toshimitsu
On Fri, 2017-01-20 at 18:24 +0900, Yasunori Goto wrote: : > > > > Like mentioned before, this discussion is more about presentation > > of errors in a known consumable format, rather than recovering from > > errors. While recovering from errors is interesting, we already > > have layers like

Re: [Lsf-pc] [LSF/MM TOPIC] Future direction of DAX

2017-01-17 Thread Kani, Toshimitsu
On Tue, 2017-01-17 at 16:59 +0100, Jan Kara wrote: > On Fri 13-01-17 17:20:08, Ross Zwisler wrote: : > > - If I recall correctly, at one point Dave Chinner suggested that > > we change - If I recall correctly, at one point Dave Chinner > > suggested that we change   DAX so that I/O would use