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| author |   Hannes Reinecke <hare@suse.de> | 2017-11-09 17:57:06 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2017-11-10 19:53:25 -0700 |
| commit | e9a48034d7d1318ece7d4a235838a86c94db9d68 (patch) | |
| tree | b45e4136e6d1d296fd4684312345c0ed0928b824 /drivers/nvme/host/nvme.h | |
| parent | block: create 'slaves' and 'holders' entries for hidden gendisks (diff) | |
| download | linux-dev-e9a48034d7d1318ece7d4a235838a86c94db9d68.tar.xz linux-dev-e9a48034d7d1318ece7d4a235838a86c94db9d68.zip | |
nvme: create 'slaves' and 'holders' entries for hidden controllers
When creating nvme multipath devices we should populate the 'slaves' and
'holders' directorys properly to aid userspace topology detection.
Signed-off-by: Hannes Reinecke <hare@suse.com>
[hch: split from a larger patch, compile fix for CONFIG_NVME_MULTIPATH=n]
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 895a4330dda0..c0873a68872f 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -405,7 +405,9 @@ bool nvme_req_needs_failover(struct request *req); void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl); int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head); void nvme_mpath_add_disk(struct nvme_ns_head *head); +void nvme_mpath_add_disk_links(struct nvme_ns *ns); void nvme_mpath_remove_disk(struct nvme_ns_head *head); +void nvme_mpath_remove_disk_links(struct nvme_ns *ns); static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns) { @@ -437,6 +439,12 @@ static inline void nvme_mpath_add_disk(struct nvme_ns_head *head) static inline void nvme_mpath_remove_disk(struct nvme_ns_head *head) { } +static inline void nvme_mpath_add_disk_links(struct nvme_ns *ns) +{ +} +static inline void nvme_mpath_remove_disk_links(struct nvme_ns *ns) +{ +} static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns) { } |