On Mon, Jun 06, 2022 at 03:02:53PM +0200, Jan Kara wrote: > Hello Greg! > > I've seen this patch failed to apply to 4.19 and 4.14 stable trees but > you've still merged (some) of the patches following this one from the same > series. Honestly, I would not consider the result very trustworthy. The > code involved is rather complex with subtle interactions across subsystems. > So please remove also upstream commits: > > ea591cd4eb27 ("bfq: Update cgroup information before merging bio") > fc84e1f941b9 ("bfq: Drop pointless unlock-lock pair") > 5f550ede5edf ("bfq: Remove pointless bfq_init_rq() calls") > 09f871868080 ("bfq: Track whether bfq_group is still online") > 4e54a2493e58 ("bfq: Get rid of __bio_blkcg() usage") > 075a53b78b81 ("bfq: Make sure bfqg for which we are queueing requests is online") > > from 4.14 and 4.19 stable queues. If someone will need these fixes there, > he'll need to do proper backport with targetted testing etc... Thanks! Only 2 ended up applying there, so I've dropped those two now, thanks! greg k-h