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. Cheers, Jeff
