real-time device warning

[Dave Chinner]

On Wed, Feb 03, 2016 at 09:50:31AM -0700, Ross Zwisler wrote:
> I've been doing some more real-time device testing with XFS, and I was able to
> get past the BUG I reported here:
> 
> http://www.spinics.net/lists/xfs/msg37445.html
> 
> by setting CONFIG_XFS_DEBUG=n as Dave suggested.
> 
> After that I/O seems to work, although it doesn't look like the DAX mount
> option is applied to I/Os that go to the real-time device.
> 
> After the first I/O, though, the following warning is hit:
> 
> [  413.086897] XFS (ram1): _xfs_buf_ioapply: no ops on block 0xa0/0x8

This series:

http://oss.sgi.com/archives/xfs/2016-02/msg00017.html

-Dave.
-- 
Dave Chinner
david at fromorbit.com