[PATCH v1 0/7] ublk: Backport to 6.14-stable: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd

[Jared Holzman <jholzman@nvidia.com>]

This patchset backports a series of ublk fixes from upstream to 6.14-stable.

Patch 7 fixes the race that can cause kernel panic when ublk server daemon is exiting.

It depends on patches 1-6 which simplifies & improves IO canceling when ublk server daemon
is exiting as described here:

https://lore.kernel.org/linux-block/20250416035444.99569-1-ming.lei@redhat.com/

Ming Lei (5):
  ublk: add helper of ublk_need_map_io()
  ublk: move device reset into ublk_ch_release()
  ublk: remove __ublk_quiesce_dev()
  ublk: simplify aborting ublk request
  ublk: fix race between io_uring_cmd_complete_in_task and
    ublk_cancel_cmd

Uday Shankar (2):
  ublk: properly serialize all FETCH_REQs
  ublk: improve detection and handling of ublk server exit

 drivers/block/ublk_drv.c | 550 +++++++++++++++++++++------------------
 1 file changed, 291 insertions(+), 259 deletions(-)

-- 
2.43.0