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Date: Fri, 8 Jul 2016 21:56:57 +0000 From: "Williams, Dan J" <dan.j.williams@...el.com> To: "axboe@...com" <axboe@...com> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>, "linux-block@...r.kernel.org" <linux-block@...r.kernel.org> Subject: [GIT PULL] ->driverfs_dev removal for 4.8 Hi Jens, please pull from: git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm for-4.8/block ...to receive: The removal of ->driverfs_dev in favor of just passing the parent device in as a parameter to add_disk(). See below, it has received a "Reviewed-by" from Christoph, Bart, and Johannes. It is also a pre-requisite for Fam Zheng's work to cleanup gendisk uevents vs attribute visibility [1]. We would extend device_add_disk() to take an attribute_group list. This is based off a branch of block.git/for-4.8/drivers and has received a positive build success notification from the kbuild robot across several configs. [1]: "gendisk: Generate uevent after attribute available" http://marc.info/?l=linux-virtualization&m=146725201522201&w=2 --- The following changes since commit 1b57e66384e2d21150301e68078526fac5680a16: drbd: correctly handle failed crypto_alloc_hash (2016-06-13 21:43:08 -0600) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm for-4.8/block for you to fetch changes up to 52c44d93c26f5a76068c0a8cc83bb8f56f38043d: block: remove ->driverfs_dev (2016-06-27 12:26:08 -0700) ---------------------------------------------------------------- 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(-) commit e63a46bef01ff3064f44dba145833284fb6adeec Author: Dan Williams <dan.j.williams@...el.com> Date: Wed Jun 15 18:17:27 2016 -0700 block: introduce device_add_disk() In preparation for removing the ->driverfs_dev member of a gendisk, add an api that takes the parent device as a parameter to add_disk(). For now this maintains the status quo of WARN()ing on failure, but not return a error code. Reviewed-by: Christoph Hellwig <hch@....de> Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de> Reviewed-by: Bart Van Assche <bart.vanassche@...disk.com> Signed-off-by: Dan Williams <dan.j.williams@...el.com> commit 307d8e6f248558b184a2513593dbbeb08406a4fa Author: Dan Williams <dan.j.williams@...el.com> Date: Mon Jun 20 10:40:44 2016 -0700 mmc: move 'parent' tracking to mmc_blk_data In preparation for the removal of 'driverfs_dev' from 'struct gendisk', carry this data in mmc_blk_data. It is used for registration of parent disks and partitions. Cc: Ulf Hansson <ulf.hansson@...aro.org> Cc: Bart Van Assche <bart.vanassche@...disk.com> Signed-off-by: Dan Williams <dan.j.williams@...el.com> commit d72a57835c92f6d51863b0ad6d7d45e3859e24d4 Author: Dan Williams <dan.j.williams@...el.com> Date: Mon Jun 20 10:44:32 2016 -0700 um: track 'parent' device in a local variable In preparation for the removal of 'driverfs_dev' from 'struct gendisk' use a local variable to track the parented vs un-parented case in ubd_disk_register(). Cc: Jeff Dike <jdike@...toit.com> Cc: Richard Weinberger <richard@....at> Cc: Bart Van Assche <bart.vanassche@...disk.com> Signed-off-by: Dan Williams <dan.j.williams@...el.com> commit 0d52c756a665adc032c791307bc55e392b0186b3 Author: Dan Williams <dan.j.williams@...el.com> Date: Wed Jun 15 19:44:20 2016 -0700 block: convert to device_add_disk() For block drivers that specify a parent device, convert them to use device_add_disk(). This conversion was done with the following semantic patch: @@ struct gendisk *disk; expression E; @@ - disk->driverfs_dev = E; ... - add_disk(disk); + device_add_disk(E, disk); @@ struct gendisk *disk; expression E1, E2; @@ - disk->driverfs_dev = E1; ... E2 = disk; ... - add_disk(E2); + device_add_disk(E1, E2); ...plus some manual fixups for a few missed conversions. Cc: Jens Axboe <axboe@...com> Cc: Keith Busch <keith.busch@...el.com> Cc: Michael S. Tsirkin <mst@...hat.com> Cc: David Woodhouse <dwmw2@...radead.org> Cc: David S. Miller <davem@...emloft.net> Cc: James Bottomley <James.Bottomley@...senpartnership.com> Cc: Ross Zwisler <ross.zwisler@...ux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> Cc: Martin K. Petersen <martin.petersen@...cle.com> Reviewed-by: Christoph Hellwig <hch@....de> Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de> Signed-off-by: Dan Williams <dan.j.williams@...el.com> commit 52c44d93c26f5a76068c0a8cc83bb8f56f38043d Author: Dan Williams <dan.j.williams@...el.com> Date: Wed Jun 15 19:43:07 2016 -0700 block: remove ->driverfs_dev Now that all drivers that specify a ->driverfs_dev have been converted to device_add_disk(), the pointer can be removed from struct gendisk. Cc: Jens Axboe <axboe@...com> Cc: Ross Zwisler <ross.zwisler@...ux.intel.com> Reviewed-by: Christoph Hellwig <hch@....de> Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
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