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nvme-multipath: refactor nvme_mpath_add_disk

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Pass anagrpid as second argument. This is prep patch that allows reusing
this function for supporting unknown command sets.

Signed-off-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Joel Granados 2022-06-28 21:10:15 +02:00 committed by Jens Axboe
parent 0f89f0ece5
commit c13cf14f44
3 changed files with 6 additions and 7 deletions
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2
drivers/nvme/host/core.c
View file

@ -4167,7 +4167,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid,
if (!nvme_ns_head_multipath(ns->head))
nvme_add_ns_cdev(ns);
nvme_mpath_add_disk(ns, id);
nvme_mpath_add_disk(ns, id->anagrpid);
nvme_fault_inject_init(&ns->fault_inject, ns->disk->disk_name);
kfree(id);

6
drivers/nvme/host/multipath.c
View file

@ -800,16 +800,16 @@ static int nvme_lookup_ana_group_desc(struct nvme_ctrl *ctrl,
return -ENXIO; /* just break out of the loop */
}
void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id)
void nvme_mpath_add_disk(struct nvme_ns *ns, __le32 anagrpid)
{
if (nvme_ctrl_use_ana(ns->ctrl)) {
struct nvme_ana_group_desc desc = {
.grpid = id->anagrpid,
.grpid = anagrpid,
.state = 0,
};
mutex_lock(&ns->ctrl->ana_lock);
ns->ana_grpid = le32_to_cpu(id->anagrpid);
ns->ana_grpid = le32_to_cpu(anagrpid);
nvme_parse_ana_log(ns->ctrl, &desc, nvme_lookup_ana_group_desc);
mutex_unlock(&ns->ctrl->ana_lock);
if (desc.state) {

5
drivers/nvme/host/nvme.h
View file

@ -846,7 +846,7 @@ void nvme_mpath_default_iopolicy(struct nvme_subsystem *subsys);
void nvme_failover_req(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 *ns, struct nvme_id_ns *id);
void nvme_mpath_add_disk(struct nvme_ns *ns, __le32 anagrpid);
void nvme_mpath_remove_disk(struct nvme_ns_head *head);
int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id);
void nvme_mpath_init_ctrl(struct nvme_ctrl *ctrl);
@ -888,8 +888,7 @@ static inline int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,
{
return 0;
}
static inline void nvme_mpath_add_disk(struct nvme_ns *ns,
struct nvme_id_ns *id)
static inline void nvme_mpath_add_disk(struct nvme_ns *ns, __le32 anagrpid)
{
}
static inline void nvme_mpath_remove_disk(struct nvme_ns_head *head)