[PATCH V2 0/3] block: model freeze/enter queue as lock for lockdep

[Ming Lei]

Hello,

The 1st patch adds non_owner variants of start_freeze/unfreeze queue
API.

The 2nd patch applies the non_owner variants on nvme_freeze() & nvme_unfreeze(). 

The 3rd patch models freeze/enter queue as lock for lockdep support.

V2:
	- improve comment log & document(Christoph)
	- add reviewed-by tag

Ming Lei (3):
  blk-mq: add non_owner variant of start_freeze/unfreeze queue APIs
  nvme: core: switch to non_owner variant of start_freeze/unfreeze queue
  block: model freeze & enter queue as lock for supporting lockdep

 block/blk-core.c         | 18 ++++++++++++++--
 block/blk-mq.c           | 44 +++++++++++++++++++++++++++++++++++++---
 block/blk.h              | 29 +++++++++++++++++++++++---
 block/genhd.c            | 15 ++++++++++----
 drivers/nvme/host/core.c |  9 ++++++--
 include/linux/blk-mq.h   |  2 ++
 include/linux/blkdev.h   |  6 ++++++
 7 files changed, 109 insertions(+), 14 deletions(-)

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2.46.0