[PATCH v4 0/5] Introduce device_add_disk() to kill gendisk.driverfs_dev

From: Dan Williams <dan.j.williams@intel.com>
To: axboe@fb.com
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Richard Weinberger <richard@nod.at>,
	Jeff Dike <jdike@addtoit.com>,
	linux-kernel@vger.kernel.org, hch@lst.de,
	Keith Busch <keith.busch@intel.com>,
	linux-nvdimm@lists.01.org, linux-block@vger.kernel.org,
	Bart Van Assche <bart.vanassche@sandisk.com>,
	David Woodhouse <dwmw2@infradead.org>,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH v4 0/5] Introduce device_add_disk() to kill gendisk.driverfs_dev
Date: Tue, 21 Jun 2016 13:46:01 -0700	[thread overview]
Message-ID: <146654196111.34694.7735150373057824399.stgit@dwillia2-desk3.amr.corp.intel.com> (raw)

Changes since v3 [1]:

1/ Broke out the non-trivial conversions into their own patches.

2/ Fix a behavior change in arch/um/drivers/ubd_kern.c. This driver
   optionally creates parented and un-parented block devices.  (Bart)

3/ Fix a behavior change in drivers/mmc/card/block.c. This driver does
   not use blk-core infrastructure for partitions and instead registers
   partitions as gendisk-children of the whole device gendisk.
   Crediting Bart since his report triggered this re-review.

4/ Use the local CARD_TO_DEV() helper in drivers/block/rsxx/dev.c.

5/ Use the local 'dev' variable that represents the parent device in
   drivers/scsi/sd.c.

[1]: https://lists.01.org/pipermail/linux-nvdimm/2016-June/005988.html

---

Answer the "// FIXME: remove" include/linux/genhd.h.  This should be
functionally equivalent to the previous state.  These patches received a
build success notification from the kbuild robot across 122 configs.

---

Dan Williams (5):
      block: introduce device_add_disk()
      mmc: move 'parent' tracking to mmc_blk_data
      um: track 'parent' device in a local variable
      block: convert to device_add_disk()
      block: remove ->driverfs_dev

 arch/powerpc/sysdev/axonram.c       |    3 +--
 arch/um/drivers/ubd_kern.c          |    5 +++--
 block/genhd.c                       |   18 +++++++++---------
 drivers/block/cciss.c               |    3 +--
 drivers/block/floppy.c              |    3 +--
 drivers/block/mtip32xx/mtip32xx.c   |    5 ++---
 drivers/block/ps3disk.c             |    3 +--
 drivers/block/ps3vram.c             |    3 +--
 drivers/block/rsxx/dev.c            |    4 +---
 drivers/block/skd_main.c            |    8 +++-----
 drivers/block/sunvdc.c              |    3 +--
 drivers/block/virtio_blk.c          |    3 +--
 drivers/block/xen-blkfront.c        |    3 +--
 drivers/ide/ide-cd.c                |    3 +--
 drivers/ide/ide-gd.c                |    3 +--
 drivers/memstick/core/ms_block.c    |    3 +--
 drivers/memstick/core/mspro_block.c |    3 +--
 drivers/mmc/card/block.c            |    5 +++--
 drivers/mtd/mtd_blkdevs.c           |    4 +---
 drivers/nvdimm/blk.c                |    3 +--
 drivers/nvdimm/btt.c                |    3 +--
 drivers/nvdimm/bus.c                |    2 +-
 drivers/nvdimm/pmem.c               |    3 +--
 drivers/nvme/host/core.c            |    3 +--
 drivers/s390/block/dasd_genhd.c     |    3 +--
 drivers/s390/block/dcssblk.c        |    3 +--
 drivers/s390/block/scm_blk.c        |    3 +--
 drivers/scsi/sd.c                   |    3 +--
 drivers/scsi/sr.c                   |    3 +--
 include/linux/genhd.h               |    8 ++++++--
 30 files changed, 50 insertions(+), 72 deletions(-)
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