On Mon, Jul 01, 2013 at 03:40:23PM -0700, Sage Weil wrote: > From: Josh Durgin <josh.durgin@xxxxxxxxxxx> > > Sending the right snapshot context with each write is required for > snapshots to work. Due to the ordering of calls, the snapshot context > is never set for any requests. This causes writes to the current > version of the image to be reflected in all snapshots, which are > supposed to be read-only. > > This happens because rbd_osd_req_format_write() sets the snapshot > context based on obj_request->img_request. At this point, however, > obj_request->img_request has not been set yet, to the snapshot context > is set to NULL. Fix this by moving rbd_img_obj_request_add(), which > sets obj_request->img_request, before the osd request formatting > calls. > > This resolves: > http://tracker.ceph.com/issues/5465 > > Upstream commit is d2d1f17a0dad823a4cb71583433d26cd7f734e08. > > CC: stable@xxxxxxxxxxxxxxx # 3.9 > Reported-by: Karol Jurak <karol.jurak@xxxxxxxxx> > Signed-off-by: Josh Durgin <josh.durgin@xxxxxxxxxxx> > Reviewed-by: Sage Weil <sage@xxxxxxxxxxx> > --- > drivers/block/rbd.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) 3.9 is now end-of-life, sorry for missing this one before that happened. greg k-h -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html