From: Ira Weiny <ira.weiny@intel.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.williams@intel.com>,
Jens Axboe <axboe@kernel.dk>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
linux-block@vger.kernel.org, nvdimm@lists.linux.dev
Subject: Re: [PATCH 1/3] nvdimm/pmem: fix creating the dax group
Date: Mon, 20 Sep 2021 15:52:18 -0700 [thread overview]
Message-ID: <20210920225216.GZ3169279@iweiny-DESK2.sc.intel.com> (raw)
In-Reply-To: <20210920072726.1159572-2-hch@lst.de>
On Mon, Sep 20, 2021 at 09:27:24AM +0200, Christoph Hellwig wrote:
> The recent block layer refactoring broke the way how the pmem driver
> abused device_add_disk. Fix this by properly passing the attribute groups
> to device_add_disk.
>
> Fixes: 52b85909f85d ("block: fold register_disk into device_add_disk")
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
> ---
> drivers/nvdimm/pmem.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
> index 72de88ff0d30d..ef4950f808326 100644
> --- a/drivers/nvdimm/pmem.c
> +++ b/drivers/nvdimm/pmem.c
> @@ -380,7 +380,6 @@ static int pmem_attach_disk(struct device *dev,
> struct nd_pfn_sb *pfn_sb;
> struct pmem_device *pmem;
> struct request_queue *q;
> - struct device *gendev;
> struct gendisk *disk;
> void *addr;
> int rc;
> @@ -489,10 +488,8 @@ static int pmem_attach_disk(struct device *dev,
> }
> dax_write_cache(dax_dev, nvdimm_has_cache(nd_region));
> pmem->dax_dev = dax_dev;
> - gendev = disk_to_dev(disk);
> - gendev->groups = pmem_attribute_groups;
>
> - device_add_disk(dev, disk, NULL);
> + device_add_disk(dev, disk, pmem_attribute_groups);
> if (devm_add_action_or_reset(dev, pmem_release_disk, pmem))
> return -ENOMEM;
>
> --
> 2.30.2
>
next prev parent reply other threads:[~2021-09-20 22:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 7:27 fix a dax/block device attribute registration regression Christoph Hellwig
2021-09-20 7:27 ` [PATCH 1/3] nvdimm/pmem: fix creating the dax group Christoph Hellwig
2021-09-20 22:52 ` Ira Weiny [this message]
2021-09-20 23:09 ` Dan Williams
2021-09-20 7:27 ` [PATCH 2/3] nvdimm/pmem: move dax_attribute_group from dax to pmem Christoph Hellwig
2021-09-20 18:00 ` kernel test robot
2021-09-20 23:29 ` Dan Williams
2021-09-20 22:51 ` Ira Weiny
2021-09-20 23:36 ` Dan Williams
2021-09-20 23:37 ` Dan Williams
2021-09-20 7:27 ` [PATCH 3/3] block: warn if ->groups is set when calling add_disk Christoph Hellwig
2021-09-20 22:52 ` Ira Weiny
2021-09-20 23:50 ` Dan Williams
2021-09-21 6:32 ` Christoph Hellwig
2021-09-22 17:34 dax_supported() related cleanups v2 Christoph Hellwig
2021-09-22 17:34 ` [PATCH 1/3] nvdimm/pmem: fix creating the dax group Christoph Hellwig
2021-09-22 18:33 fix a dax/block device attribute registration regression Christoph Hellwig
2021-09-22 18:33 ` [PATCH 1/3] nvdimm/pmem: fix creating the dax group Christoph Hellwig
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