[PATCH v2 0/2] ublk: fix infinite loop in ublk server teardown

[Uday Shankar]

Fix an infinite loop in ublk server teardown which can arise when a ublk
server dies while recovering a device. Also add a test which
demonstrates the problem and verifies the fix.

Signed-off-by: Uday Shankar <ushankar@xxxxxxxxxxxxxxx>
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Changes in v2:
- Add support for batched fetch in pre_fetch_io (Ming Lei)
- Link to v1: https://lore.kernel.org/r/20260403-cancel-v1-0-86e5a6b3d3af@xxxxxxxxxxxxxxx

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Uday Shankar (2):
      ublk: reset per-IO canceled flag on each fetch
      selftests: ublk: test that teardown after incomplete recovery completes

 drivers/block/ublk_drv.c                        | 21 ++++++----
 tools/testing/selftests/ublk/Makefile           |  1 +
 tools/testing/selftests/ublk/fault_inject.c     | 52 +++++++++++++++++++++++--
 tools/testing/selftests/ublk/kublk.c            |  7 ++++
 tools/testing/selftests/ublk/kublk.h            |  3 ++
 tools/testing/selftests/ublk/test_generic_17.sh | 35 +++++++++++++++++
 6 files changed, 108 insertions(+), 11 deletions(-)
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base-commit: cdd71b7feb3674d14c5edd9c133242ddf9a363f2
change-id: 20260403-cancel-bb6a1292534c

Best regards,
-- 
Uday Shankar <ushankar@xxxxxxxxxxxxxxx>