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| author | Christoph Hellwig <hch@lst.de> | 2017-11-09 13:51:03 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-11-10 19:53:25 -0700 |
| commit | 5b85b826b8925b3f1910b6613eb82c4df240a5b5 (patch) | |
| tree | a4aa1d620a06f876827cff9887b607a7089d026e /drivers/nvme/host/multipath.c | |
| parent | 32acab3181c7053c775ca128c3a5c6ce50197d7f (diff) | |
| download | talos-op-linux-5b85b826b8925b3f1910b6613eb82c4df240a5b5.tar.gz talos-op-linux-5b85b826b8925b3f1910b6613eb82c4df240a5b5.zip | |
nvme: also expose the namespace identification sysfs files for mpath nodes
We do this by adding a helper that returns the ns_head for a device that
can belong to either the per-controller or per-subsystem block device
nodes, and otherwise reuse all the existing code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme/host/multipath.c')
| -rw-r--r-- | drivers/nvme/host/multipath.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 062754ebebfd..850275896e49 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -239,12 +239,18 @@ void nvme_mpath_add_disk(struct nvme_ns_head *head) if (!head->disk) return; device_add_disk(&head->subsys->dev, head->disk); + if (sysfs_create_group(&disk_to_dev(head->disk)->kobj, + &nvme_ns_id_attr_group)) + pr_warn("%s: failed to create sysfs group for identification\n", + head->disk->disk_name); } void nvme_mpath_remove_disk(struct nvme_ns_head *head) { if (!head->disk) return; + sysfs_remove_group(&disk_to_dev(head->disk)->kobj, + &nvme_ns_id_attr_group); del_gendisk(head->disk); blk_set_queue_dying(head->disk->queue); /* make sure all pending bios are cleaned up */ |
