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author | Hannes Reinecke <hare@suse.de> | 2021-02-23 17:28:55 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-11 14:04:59 +0100 |
commit | 1bf6a186c4524e62c4e46d2c9f28a70fb45f9e8b (patch) | |
tree | 4c5d80cb3cc8c67ce9534dd8675060134cf2b6a5 /drivers/nvdimm | |
parent | e21a0a2a46c61036e460ff2986d2f08c09a6092b (diff) | |
download | linux-stable-1bf6a186c4524e62c4e46d2c9f28a70fb45f9e8b.tar.gz linux-stable-1bf6a186c4524e62c4e46d2c9f28a70fb45f9e8b.tar.bz2 linux-stable-1bf6a186c4524e62c4e46d2c9f28a70fb45f9e8b.zip |
block: genhd: add 'groups' argument to device_add_disk
commit fef912bf860e8e7e48a2bfb978a356bba743a8b7 upstream.
Update device_add_disk() to take an 'groups' argument so that
individual drivers can register a device with additional sysfs
attributes.
This avoids race condition the driver would otherwise have if these
groups were to be created with sysfs_add_groups().
Signed-off-by: Martin Wilck <martin.wilck@suse.com>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvdimm')
-rw-r--r-- | drivers/nvdimm/blk.c | 2 | ||||
-rw-r--r-- | drivers/nvdimm/btt.c | 2 | ||||
-rw-r--r-- | drivers/nvdimm/pmem.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/nvdimm/blk.c b/drivers/nvdimm/blk.c index 62e9cb167aad..db45c6bbb7bb 100644 --- a/drivers/nvdimm/blk.c +++ b/drivers/nvdimm/blk.c @@ -290,7 +290,7 @@ static int nsblk_attach_disk(struct nd_namespace_blk *nsblk) } set_capacity(disk, available_disk_size >> SECTOR_SHIFT); - device_add_disk(dev, disk); + device_add_disk(dev, disk, NULL); revalidate_disk(disk); return 0; } diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index 853edc649ed4..b6823e66af13 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1565,7 +1565,7 @@ static int btt_blk_init(struct btt *btt) } } set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9); - device_add_disk(&btt->nd_btt->dev, btt->btt_disk); + device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL); btt->nd_btt->size = btt->nlba * (u64)btt->sector_size; revalidate_disk(btt->btt_disk); diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index a7ce2f1761a2..d6f981f6ef59 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -479,7 +479,7 @@ static int pmem_attach_disk(struct device *dev, gendev = disk_to_dev(disk); gendev->groups = pmem_attribute_groups; - device_add_disk(dev, disk); + device_add_disk(dev, disk, NULL); if (devm_add_action_or_reset(dev, pmem_release_disk, pmem)) return -ENOMEM; |