It's not, but it would not be ahrd to do this. There are fadvise-style hints being passed down that could trigger O_DIRECT reads in this case. That may not be the best choice, though--it won't use data that happens to be in cache and it'll also throw it out.. On Wed, 7 Oct 2015, Pawe? Sadowski wrote: > Hi, > > Can anyone tell if deep scrub is done using O_DIRECT flag or not? I'm > not able to verify that in source code. > > If not would it be possible to add such feature (maybe config option) to > help keeping Linux page cache in better shape? > > Thanks, > > -- > PS > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com