On Sat, Dec 01, 2012 at 09:21:10AM +1100, Dave Chinner wrote: > > eeek. yep, I will loop through and count the pages needed in each > > segment. > > That's wrong - the pages must be mappable as a contiguous memory > range. That's how this code avoids copying the data from > discontiguous page ranges into a contiguous mapped memory range. > If you separate each IO into to it's own set of pages, then you have > to completely rewrite _xfs_buf_ioapply(), which AFAICT works just > fine with the page allocation that is done right now.... Yeah, you're right. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
