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This pull request contains: - Kill unlikely checks for blk-rq-qos. These checks are really all-or-nothing, either the branch is taken all the time, or it's not. Depending on the configuration, either one of those cases may be true. Just remove the annotation. - Fix for merging bios with different app tags set. - Fix for a recently introduced slowdown due to RCU synchronization. - Fix for a status change on loop while it's in use, and then a later fix for that fix. - Fix for the async partition scanning in ublk. Please pull! The following changes since commit 69153e8b97ebe2afc0dd101767a9805130305500: block, bfq: update outdated comment (2026-01-01 08:57:37 -0700) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git tags/block-6.19-20260109 for you to fetch changes up to f0d385f6689f37a2828c686fb279121df006b4cb: ublk: fix use-after-free in ublk_partition_scan_work (2026-01-09 06:55:30 -0700) ---------------------------------------------------------------- block-6.19-20260109 ---------------------------------------------------------------- Breno Leitao (1): blk-rq-qos: Remove unlikely() hints from QoS checks Caleb Sander Mateos (1): block: don't merge bios with different app_tags Mikulas Patocka (1): blk-mq: avoid stall during boot due to synchronize_rcu_expedited Ming Lei (1): ublk: fix use-after-free in ublk_partition_scan_work Raphael Pinsonneault-Thibeault (1): loop: don't change loop device under exclusive opener in loop_set_status Tetsuo Handa (1): loop: add missing bd_abort_claiming in loop_set_status block/blk-integrity.c | 23 ++++++++++++++++++----- block/blk-mq.c | 3 +-- block/blk-rq-qos.h | 25 +++++++++---------------- drivers/block/loop.c | 45 +++++++++++++++++++++++++++++++++------------ drivers/block/ublk_drv.c | 37 ++++++++++++++++++++++--------------- 5 files changed, 83 insertions(+), 50 deletions(-) -- Jens Axboe