diff options
| author |   Hannes Reinecke <hare@suse.de> | 2018-09-28 08:17:20 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-09-28 08:30:29 -0600 |
| commit | 33b14f67a4e1eabd219fd6543da8f15ed86b641c (patch) | |
| tree | 63570313331b938cbdf404c72135a025e25b13c7 /drivers/nvme/host/core.c | |
| parent | block: genhd: add 'groups' argument to device_add_disk (diff) | |
| download | linux-dev-33b14f67a4e1eabd219fd6543da8f15ed86b641c.tar.xz linux-dev-33b14f67a4e1eabd219fd6543da8f15ed86b641c.zip | |
nvme: register ns_id attributes as default sysfs groups
We should be registering the ns_id attribute as default sysfs
attribute groups, otherwise we have a race condition between
the uevent and the attributes appearing in sysfs.
Suggested-by: Bart van Assche <bvanassche@acm.org>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme/host/core.c')
| -rw-r--r-- | drivers/nvme/host/core.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 0e824e8c8fd7..e0a9e1c5b30e 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2734,6 +2734,14 @@ const struct attribute_group nvme_ns_id_attr_group = { .is_visible = nvme_ns_id_attrs_are_visible, }; +const struct attribute_group *nvme_ns_id_attr_groups[] = { + &nvme_ns_id_attr_group, +#ifdef CONFIG_NVM + &nvme_nvm_attr_group, +#endif + NULL, +}; + #define nvme_show_str_function(field) \ static ssize_t field##_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ @@ -3099,14 +3107,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) nvme_get_ctrl(ctrl); - device_add_disk(ctrl->device, ns->disk, NULL); - if (sysfs_create_group(&disk_to_dev(ns->disk)->kobj, - &nvme_ns_id_attr_group)) - pr_warn("%s: failed to create sysfs group for identification\n", - ns->disk->disk_name); - if (ns->ndev && nvme_nvm_register_sysfs(ns)) - pr_warn("%s: failed to register lightnvm sysfs group for identification\n", - ns->disk->disk_name); + device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups); nvme_mpath_add_disk(ns, id); nvme_fault_inject_init(ns); @@ -3132,10 +3133,6 @@ static void nvme_ns_remove(struct nvme_ns *ns) nvme_fault_inject_fini(ns); if (ns->disk && ns->disk->flags & GENHD_FL_UP) { - sysfs_remove_group(&disk_to_dev(ns->disk)->kobj, - &nvme_ns_id_attr_group); - if (ns->ndev) - nvme_nvm_unregister_sysfs(ns); del_gendisk(ns->disk); blk_cleanup_queue(ns->queue); if (blk_get_integrity(ns->disk)) |