linux-kernel - [PATCH v3 00/13] block: add_disk() error handling stragglers

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Date:   Wed,  3 Nov 2021 10:45:08 -0700
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     axboe@...nel.dk, hch@....de, penguin-kernel@...ove.sakura.ne.jp,
        dan.j.williams@...el.com, vishal.l.verma@...el.com,
        dave.jiang@...el.com, ira.weiny@...el.com, richard@....at,
        miquel.raynal@...tlin.com, vigneshr@...com, efremov@...ux.com,
        song@...nel.org, martin.petersen@...cle.com, hare@...e.de,
        jack@...e.cz, ming.lei@...hat.com, tj@...nel.org, mcgrof@...nel.org
Cc:     linux-mtd@...ts.infradead.org, linux-scsi@...r.kernel.org,
        linux-raid@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 00/13] block: add_disk() error handling stragglers

This v3 series has the following changes:

 o clarifies the nvdimm/btt fix to not call del_gendisk to be a proper
   fix regardless of kernel.
 o Adds reviewed-by tags
 o modified the __register_blkdev() changes so that we do not propagate
   the error code from add_disk() but instead we just cleanup the
   resources where needed, and update the documentation to reflect
   suggestions by Christoph

You can find these changes on tree:

https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/log/?h=20211103-for-axboe-add-disk-error-handling-v3

Luis Chamberlain (12):
  nvdimm/btt: do not call del_gendisk() if not needed
  nvdimm/btt: use goto error labels on btt_blk_init()
  nvdimm/btt: add error handling support for add_disk()
  nvdimm/blk: avoid calling del_gendisk() on early failures
  nvdimm/blk: add error handling support for add_disk()
  nvdimm/pmem: cleanup the disk if pmem_release_disk() is yet assigned
  nvdimm/pmem: use add_disk() error handling
  z2ram: add error handling support for add_disk()
  block/sunvdc: add error handling support for add_disk()
  mtd/ubi/block: add error handling support for add_disk()
  block: fix __register_blkdev() probe add_disk() failures
  block: add __must_check for *add_disk*() callers

Tetsuo Handa (1):
  ataflop: remove ataflop_probe_lock mutex

 block/genhd.c           | 11 +++++---
 drivers/block/ataflop.c | 59 +++++++++++++++++++++++++----------------
 drivers/block/floppy.c  | 11 ++++++--
 drivers/block/sunvdc.c  | 14 +++++++---
 drivers/block/z2ram.c   |  7 +++--
 drivers/mtd/ubi/block.c |  8 +++++-
 drivers/nvdimm/blk.c    | 21 ++++++++++-----
 drivers/nvdimm/btt.c    | 21 +++++++++------
 drivers/nvdimm/pmem.c   | 21 +++++++++++----
 include/linux/genhd.h   |  6 ++---
 10 files changed, 122 insertions(+), 57 deletions(-)

-- 
2.33.0