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 8cd44dd1d17a23d5cc8c443c659ca57aa76e2fa5 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024080751-importer-postbox-eb90@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 8cd44dd1d17a ("btrfs: zoned: fix zone_unusable accounting on making block group read-write again") 9d4b0a129a0d ("btrfs: simplify arguments of btrfs_update_space_info and rename") 6a921de58992 ("btrfs: zoned: introduce space_info->active_total_bytes") 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") 385de0ef387d ("btrfs: use a normal workqueue for rmw_workers") a7b8e39c922b ("btrfs: raid56: enable subpage support for RAID56") 3907ce293d68 ("btrfs: raid56: make alloc_rbio_essential_pages() subpage compatible") ac26df8b3b02 ("btrfs: raid56: remove btrfs_raid_bio::bio_pages array") 07e4d3808047 ("btrfs: raid56: make __raid_recover_endio_io() subpage compatible") 46900662d02f ("btrfs: raid56: make finish_parity_scrub() subpage compatible") 3e77605d6a81 ("btrfs: raid56: make rbio_add_io_page() subpage compatible") 00425dd976d3 ("btrfs: raid56: introduce btrfs_raid_bio::bio_sectors") eb3570607c8c ("btrfs: raid56: introduce btrfs_raid_bio::stripe_sectors") 94efbe19b9f1 ("btrfs: raid56: introduce new cached members for btrfs_raid_bio") 29b068382c6f ("btrfs: raid56: make btrfs_raid_bio more compact") 843de58b3e31 ("btrfs: raid56: open code rbio_nr_pages()") cc353a8be2fd ("btrfs: reduce width for stripe_len from u64 to u32") thanks, greg k-h ------------------ original commit in Linus's tree ------------------