On 13/12/2021 09:22, gregkh@xxxxxxxxxxxxxxxxxxx wrote: > On Mon, Dec 13, 2021 at 07:34:37AM +0000, Johannes Thumshirn wrote: >> On 12/12/2021 15:21, gregkh@xxxxxxxxxxxxxxxxxxx wrote: >>> >>> The patch below does not apply to the 5.15-stable tree. >>> If someone wants it applied there, or to any other stable or longterm >>> tree, then please email the backport, including the original git commit >>> id to <stable@xxxxxxxxxxxxxxx>. >>> >> >> Hi Greg, >> >> this patch doesn't need any backporting to stable. The failure can only >> happen on v5.16-rcX. > > Really? The Fixes: tag says otherwise: > Fixes: c2707a255623 ("btrfs: zoned: add a dedicated data relocation block group") > as that commit id is in 5.15.4. > > Perhaps that tag is incorrect? > Nope, but 5.15.4 does not contain the functions where we forgot to add the calls to btrfs_clear_data_reloc_bg(). The bug was a race between me and Naohiro working on c2707a255623 and afba2bc036b0e ("btrfs: zoned: implement active zone tracking"). Thanks, Johannes