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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x e30729d4bd4001881be4d1ad4332a5d4985398f8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024081951-enrich-hesitate-0db0@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: e30729d4bd40 ("btrfs: zoned: properly take lock to read/update block group's zoned variables") 8cd44dd1d17a ("btrfs: zoned: fix zone_unusable accounting on making block group read-write again") b9fd2affe4aa ("btrfs: zoned: fix initial free space detection") 6a8ebc773ef6 ("btrfs: zoned: no longer count fresh BG region as zone unusable") fa2068d7e922 ("btrfs: zoned: count fresh BG region as zone unusable") 3349b57fd47b ("btrfs: convert block group bit field to use bit helpers") 9d4b0a129a0d ("btrfs: simplify arguments of btrfs_update_space_info and rename") 6ca64ac27631 ("btrfs: zoned: fix mounting with conventional zones") ced8ecf026fd ("btrfs: fix space cache corruption and potential double allocations") b09315139136 ("btrfs: zoned: activate metadata block group on flush_space") 6a921de58992 ("btrfs: zoned: introduce space_info->active_total_bytes") 393f646e34c1 ("btrfs: zoned: finish least available block group on data bg allocation") bb9950d3df71 ("btrfs: let can_allocate_chunk return error") f6fca3917b4d ("btrfs: store chunk size in space-info struct") b8bea09a456f ("btrfs: add trace event for submitted RAID56 bio") c67c68eb57f1 ("btrfs: use integrated bitmaps for btrfs_raid_bio::dbitmap and finish_pbitmap") 143823cf4d5a ("btrfs: fix typos in comments") b3a3b0255797 ("btrfs: zoned: drop optimization of zone finish") 343d8a30851c ("btrfs: zoned: prevent allocation from previous data relocation BG") d70cbdda75da ("btrfs: zoned: consolidate zone finish functions") thanks, greg k-h ------------------ original commit in Linus's tree ------------------