On Mon, May 18, 2020 at 10:03 AM Jerry Lee <leisurelysw24@xxxxxxxxx> wrote: > > osd client should ignore cache/overlay flag if got redirect reply. > Otherwise, the client hangs when the cache tier is in forward mode. > > Similar issues: > https://tracker.ceph.com/issues/23296 > https://tracker.ceph.com/issues/36406 > > Signed-off-by: Jerry Lee <leisurelysw24@xxxxxxxxx> > --- > net/ceph/osd_client.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c > index 998e26b..1d4973f 100644 > --- a/net/ceph/osd_client.c > +++ b/net/ceph/osd_client.c > @@ -3649,7 +3649,9 @@ static void handle_reply(struct ceph_osd *osd, > struct ceph_msg *msg) > * supported. > */ > req->r_t.target_oloc.pool = m.redirect.oloc.pool; > - req->r_flags |= CEPH_OSD_FLAG_REDIRECTED; > + req->r_flags |= CEPH_OSD_FLAG_REDIRECTED | > + CEPH_OSD_FLAG_IGNORE_OVERLAY | > + CEPH_OSD_FLAG_IGNORE_CACHE; > req->r_tid = 0; > __submit_request(req, false); > goto out_unlock_osdc; Hi Jerry, Looks good (although the patch was whitespace damaged). I've fixed it up, but check out Documentation/process/email-clients.rst. Also, out of curiosity, are you actually using the forward cache mode? Thanks, Ilya
