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From: hch@lst.de (Christoph Hellwig)
Subject: [PATCHv3 0/5] genhd: register default groups with device_add_disk()
Date: Fri, 21 Sep 2018 07:48:43 +0200	[thread overview]
Message-ID: <20180921054843.GA13157@lst.de> (raw)
In-Reply-To: <20180905070053.26239-1-hare@suse.de>

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@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---

  parent reply	other threads:[~2018-09-21  5:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-05  7:00 [PATCHv3 0/5] genhd: register default groups with device_add_disk() Hannes Reinecke
2018-09-05  7:00 ` [PATCH 1/5] block: genhd: add 'groups' argument to device_add_disk Hannes Reinecke
2018-09-05 15:24   ` Bart Van Assche
2018-09-05  7:00 ` [PATCH 2/5] nvme: register ns_id attributes as default sysfs groups Hannes Reinecke
2018-09-05 13:18   ` Christoph Hellwig
2018-09-05 13:32     ` Hannes Reinecke
2018-09-05 13:45       ` Christoph Hellwig
2018-09-06  9:56         ` Hannes Reinecke
2018-09-05  7:00 ` [PATCH 3/5] aoe: use device_add_disk_with_groups() Hannes Reinecke
2018-09-05  7:00 ` [PATCH 4/5] zram: register default groups with device_add_disk() Hannes Reinecke
2018-09-05  7:00 ` [PATCH 5/5] virtio-blk: modernize sysfs attribute creation Hannes Reinecke
2018-09-21  5:48 ` Christoph Hellwig [this message]
2018-09-27 19:02   ` [PATCHv3 0/5] genhd: register default groups with device_add_disk() Bart Van Assche

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