Re: [PATCHv3 0/5] genhd: register default groups with device_add_disk()

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Can you resend this with the one easy fixup pointed out?  It would
be good to finally get the race fix merged.

On Wed, Sep 05, 2018 at 09:00:48AM +0200, Hannes Reinecke wrote:
> device_add_disk() doesn't allow to register with default sysfs groups,
> which introduces a race with udev as these groups have to be created after
> the uevent has been sent.
> This patchset updates device_add_disk() to accept a 'groups' argument to
> avoid this race and updates the obvious drivers to use it.
> There are some more drivers which might benefit from this (eg loop or md),
> but the interface is not straightforward so I haven't attempted it.
> 
> As usual, comments and reviews are welcome.
> 
> Changes to v2:
> - Fold lightnvm attributes into the generic attribute group as
>   suggested by Bart
> 
> Changes to v1:
> - Drop first patch
> - Convert lightnvm sysfs attributes as suggested by Bart
> 
> Hannes Reinecke (5):
>   block: genhd: add 'groups' argument to device_add_disk
>   nvme: register ns_id attributes as default sysfs groups
>   aoe: use device_add_disk_with_groups()
>   zram: register default groups with device_add_disk()
>   virtio-blk: modernize sysfs attribute creation
> 
>  arch/um/drivers/ubd_kern.c          |   2 +-
>  block/genhd.c                       |  19 +++++--
>  drivers/block/aoe/aoe.h             |   1 -
>  drivers/block/aoe/aoeblk.c          |  21 +++----
>  drivers/block/aoe/aoedev.c          |   1 -
>  drivers/block/floppy.c              |   2 +-
>  drivers/block/mtip32xx/mtip32xx.c   |   2 +-
>  drivers/block/ps3disk.c             |   2 +-
>  drivers/block/ps3vram.c             |   2 +-
>  drivers/block/rsxx/dev.c            |   2 +-
>  drivers/block/skd_main.c            |   2 +-
>  drivers/block/sunvdc.c              |   2 +-
>  drivers/block/virtio_blk.c          |  68 +++++++++++++----------
>  drivers/block/xen-blkfront.c        |   2 +-
>  drivers/block/zram/zram_drv.c       |  28 +++-------
>  drivers/ide/ide-cd.c                |   2 +-
>  drivers/ide/ide-gd.c                |   2 +-
>  drivers/memstick/core/ms_block.c    |   2 +-
>  drivers/memstick/core/mspro_block.c |   2 +-
>  drivers/mmc/core/block.c            |   2 +-
>  drivers/mtd/mtd_blkdevs.c           |   2 +-
>  drivers/nvdimm/blk.c                |   2 +-
>  drivers/nvdimm/btt.c                |   2 +-
>  drivers/nvdimm/pmem.c               |   2 +-
>  drivers/nvme/host/core.c            |  21 +++----
>  drivers/nvme/host/lightnvm.c        | 106 +++++++++++++++---------------------
>  drivers/nvme/host/multipath.c       |  15 ++---
>  drivers/nvme/host/nvme.h            |  10 +---
>  drivers/s390/block/dasd_genhd.c     |   2 +-
>  drivers/s390/block/dcssblk.c        |   2 +-
>  drivers/s390/block/scm_blk.c        |   2 +-
>  drivers/scsi/sd.c                   |   2 +-
>  drivers/scsi/sr.c                   |   2 +-
>  include/linux/genhd.h               |   5 +-
>  34 files changed, 151 insertions(+), 190 deletions(-)
> 
> -- 
> 2.16.4
---end quoted text---



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