[GIT PULL] md-next 20211014

Hi Jens, 

Please consider pulling the following changes for md-next on top of your
for-5.16/drivers branch. The major changes are:

1. add_disk() error handling, by Luis Chamberlain;
2. locking/unwind improvement in md_alloc, by Christoph Hellwig;
3. update superblock after changing rdev flags, by Xiao Ni;
4. various clean-ups and small fixes, by Guoqing Jiang.

Thanks,
Song



The following changes since commit 9ea55973b4cef1913c1756560a5de5ba7571a003:

  nvme: don't memset() the normal read/write command (2021-10-13 10:57:04 -0600)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/song/md.git md-next

for you to fetch changes up to 199b1b9e816fb4eb14161cdcbcd0c7a948660bc5:

  md: update superblock after changing rdev flags in state_store (2021-10-14 17:11:59 -0700)

----------------------------------------------------------------
Christoph Hellwig (3):
      md: add the bitmap group to the default groups for the md kobject
      md: extend disks_mutex coverage
      md: properly unwind when failing to add the kobject in md_alloc

Guoqing Jiang (4):
      md/raid1: only allocate write behind bio for WriteMostly device
      md/raid1: use rdev in raid1_write_request directly
      md/raid5: call roundup_pow_of_two in raid5_run
      md: remove unused argument from md_new_event

Luis Chamberlain (1):
      md: add error handling support for add_disk()

Xiao Ni (1):
      md: update superblock after changing rdev flags in state_store

 drivers/md/md.c     | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------------------------------
 drivers/md/md.h     |  2 +-
 drivers/md/raid1.c  | 13 ++++++-------
 drivers/md/raid10.c |  2 +-
 drivers/md/raid5.c  |  7 ++-----
 5 files changed, 64 insertions(+), 52 deletions(-)