No it's showing up as being 32. However I'm not really manipulating anything in a backing_dev_info structure and just taking the defaults so perhaps that's what I'm missing? -evan (By the way nice last name :) On 7/26/12 5:32 AM, "Jeff Layton" <jlayton@xxxxxxxxxx> wrote: >On Wed, 25 Jul 2012 19:59:26 +0000 >"Layton, Evan J" <evan.j.layton@xxxxxxxxx> wrote: > >> >> I'm working on a project at intel and working on a better understanding >>of "file system" operations specifically triggering readpages. However I >>have not been able to figure out how to drive or force the file system >>to use readpages. I had thought that readahead() would allow me to do >>this but it's not driving readpages and just goes down the readpage >>path. Any suggestions on the best way to get the file system to trigger >>this operation? >> >> Thanks, >> -evan > > >Is your bdi->ra_pages value set to 0? > >-- >Jeff Layton <jlayton@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html