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-rw-r--r--drivers/nvme/host/core.c30
-rw-r--r--drivers/nvme/host/nvme.h1
2 files changed, 12 insertions, 19 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index e7f945fefbc4..5f2744be7388 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2341,14 +2341,6 @@ static int nvme_query_fdp_info(struct nvme_ns *ns, struct nvme_ns_info *info)
size_t size;
int i, ret;
- /*
- * The FDP configuration is static for the lifetime of the namespace,
- * so return immediately if we've already registered this namespace's
- * streams.
- */
- if (head->nr_plids)
- return 0;
-
ret = nvme_get_features(ctrl, NVME_FEAT_FDP, info->endgid, NULL, 0,
&fdp);
if (ret) {
@@ -2395,6 +2387,7 @@ static int nvme_query_fdp_info(struct nvme_ns *ns, struct nvme_ns_info *info)
for (i = 0; i < head->nr_plids; i++)
head->plids[i] = le16_to_cpu(ruhs->ruhsd[i].pid);
+ head->write_stream_granularity = min(info->runs, U32_MAX);
free:
kfree(ruhs);
return ret;
@@ -2442,12 +2435,6 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
goto out;
}
- if (ns->ctrl->ctratt & NVME_CTRL_ATTR_FDPS) {
- ret = nvme_query_fdp_info(ns, info);
- if (ret < 0)
- goto out;
- }
-
if (nvme_invalid_lba_sz(le64_to_cpu(id->nsze),
id->lbaf[lbaf].ds - SECTOR_SHIFT, &capacity)) {
dev_warn_once(ns->ctrl->device,
@@ -2507,10 +2494,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
capacity = 0;
lim.max_write_streams = ns->head->nr_plids;
- if (lim.max_write_streams)
- lim.write_stream_granularity = min(info->runs, U32_MAX);
- else
- lim.write_stream_granularity = 0;
+ lim.write_stream_granularity = ns->head->write_stream_granularity;
/*
* Only set the DEAC bit if the device guarantees that reads from
@@ -4059,15 +4043,23 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ns *ns,
} else
head->effects = ctrl->effects;
+ if (ctrl->ctratt & NVME_CTRL_ATTR_FDPS) {
+ ret = nvme_query_fdp_info(ns, info);
+ if (ret < 0)
+ goto out_cleanup_srcu;
+ }
+
ret = nvme_mpath_alloc_disk(ctrl, head);
if (ret)
- goto out_cleanup_srcu;
+ goto out_cleanup_fdp;
list_add_tail(&head->entry, &ctrl->subsys->nsheads);
kref_get(&ctrl->subsys->ref);
return head;
+out_cleanup_fdp:
+ kfree(head->plids);
out_cleanup_srcu:
cleanup_srcu_struct(&head->srcu);
out_ida_remove:
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 75e5d5a8a77c..c20e8ef8baa0 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -571,6 +571,7 @@ struct nvme_ns_head {
u16 nr_plids;
u16 *plids;
+ u32 write_stream_granularity;
#ifdef CONFIG_NVME_MULTIPATH
struct bio_list requeue_list
__guarded_by(&requeue_lock);