On Thu, Oct 29, 2015 at 2:21 PM, Gregory Farnum <gfarnum@xxxxxxxxxx> wrote: > On Wed, Oct 28, 2015 at 8:38 PM, Yan, Zheng <ukernel@xxxxxxxxx> wrote: >> On Thu, Oct 29, 2015 at 1:10 AM, Burkhard Linke >>> I tried to dig into the ceph-fuse code, but I was unable to find the >>> fragment that is responsible for flushing the data from the page cache. >>> >> >> fuse kernel code invalidates page cache on opening file. you can >> disable this behaviour by setting ""fuse use invalidate cb" config >> option to true. > > Zheng, do you know any reason we shouldn't make that the default value > now? There was a loopback deadlock (which is why it's disabled by > default) but I don't remember the details offhand well enough to know > if your recent work in those interfaces has fixed it. Or Sage? > -Greg there is no loopback deadlock now, because we use a separate thread to invalidate kernel page cache. I think we can enable this option safely. Regards Yan, Zheng _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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