[PATCH v1 0/8] block: add error handling for *add_disk*()

[Luis Chamberlain]

This series bumps from RFC to PATCH form for two reasons, one is that I
have run quite a bit of full blktests tests on this without finding
regressions. Second is that the only feedback from the first RFC was
from Bart asking for error injection support, and this series adds just
that.

Lemme know if you've spotted something stupid. You can find these
patches my linux-next 20210427-block-fixes-v8 branch. Yes, it is
using a slightly older linux-next, so I can respin, its just that
there were quite a bit of linux-next release which were *really*
*fscked* up lately, so I had to stick at least something slightly
stable.

https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/log/?h=20210427-block-fixes-v8

Luis Chamberlain (8):
  block: refcount the request_queue early in __device_add_disk()
  block: move disk announce work from register_disk() to a helper
  block: move disk invalidation from del_gendisk() into a helper
  block: move disk unregistration work from del_gendisk() to a helper
  block: add initial error handling for *add_disk()* and friends
  loop: add error handling support for add_disk()
  null_blk: add error handling support for add_disk()
  block: add add_disk() failure injection support

 .../fault-injection/fault-injection.rst       |  23 ++
 block/Makefile                                |   1 +
 block/blk-core.c                              |   1 +
 block/blk-integrity.c                         |  12 +-
 block/blk-sysfs.c                             |   5 +-
 block/blk.h                                   |  60 +++-
 block/failure-injection.c                     |  54 +++
 block/genhd.c                                 | 331 ++++++++++++------
 drivers/block/loop.c                          |   7 +-
 drivers/block/null_blk/main.c                 |   9 +-
 include/linux/genhd.h                         |  14 +-
 lib/Kconfig.debug                             |  13 +
 12 files changed, 414 insertions(+), 116 deletions(-)
 create mode 100644 block/failure-injection.c

-- 
2.30.2