[RFC v1 0/6] block: add error handling for *add_disk*()

[Luis Chamberlain]

While working on some blktrace races I noticed that we don't do
error handling on *add_disk*() and friends. This is my initial
work on that.

This is based on linux-next tag next-20200428, you can also get this
on my branch 20200428-block-fixes [0].

Let me know what you think.

[0] https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/log/?h=20200428-blktrace-fixes

Luis Chamberlain (6):
  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()

 block/blk-integrity.c |  13 +-
 block/blk-sysfs.c     |   7 +-
 block/blk.h           |   5 +-
 block/genhd.c         | 366 +++++++++++++++++++++++++++---------------
 drivers/block/loop.c  |   7 +-
 include/linux/genhd.h |  16 +-
 6 files changed, 265 insertions(+), 149 deletions(-)

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2.25.1