On Wed, 2017-01-25 at 10:15 -0500, Jeff Moyer wrote: > Christoph Hellwig <[email protected]> writes: > > > On Thu, Jan 12, 2017 at 11:38:48AM -0700, Toshi Kani wrote: > > > DAX IO path does not support iostat, but its metadata IO path > > > does. Therefore, iostat shows metadata IO statistics only, which > > > has been confusing to users. > > > > > > Add iostat support to the DAX read/write path. > > > > > > Note, iostat still does not support the DAX mmap path as it > > > allows user applications to access directly. > > > > NAK. DAX I/O should not be accounted for block device statistics. > > Agreed, this is a layering violation.
I will check to see if it can fit on top of Dan's patch-set. Thanks, -Toshi
