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-rw-r--r--drivers/infiniband/core/device.c35
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c18
-rw-r--r--include/rdma/ib_verbs.h1
3 files changed, 44 insertions, 10 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 78dc07c6ac4b..cd6b679badfe 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -409,27 +409,44 @@ static int rename_compat_devs(struct ib_device *device)
int ib_device_rename(struct ib_device *ibdev, const char *name)
{
+ unsigned long index;
+ void *client_data;
int ret;
down_write(&devices_rwsem);
if (!strcmp(name, dev_name(&ibdev->dev))) {
- ret = 0;
- goto out;
+ up_write(&devices_rwsem);
+ return 0;
}
if (__ib_device_get_by_name(name)) {
- ret = -EEXIST;
- goto out;
+ up_write(&devices_rwsem);
+ return -EEXIST;
}
ret = device_rename(&ibdev->dev, name);
- if (ret)
- goto out;
+ if (ret) {
+ up_write(&devices_rwsem);
+ return ret;
+ }
+
strlcpy(ibdev->name, name, IB_DEVICE_NAME_MAX);
ret = rename_compat_devs(ibdev);
-out:
- up_write(&devices_rwsem);
- return ret;
+
+ downgrade_write(&devices_rwsem);
+ down_read(&ibdev->client_data_rwsem);
+ xan_for_each_marked(&ibdev->client_data, index, client_data,
+ CLIENT_DATA_REGISTERED) {
+ struct ib_client *client = xa_load(&clients, index);
+
+ if (!client || !client->rename)
+ continue;
+
+ client->rename(ibdev, client_data);
+ }
+ up_read(&ibdev->client_data_rwsem);
+ up_read(&devices_rwsem);
+ return 0;
}
static int alloc_name(struct ib_device *ibdev, const char *name)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index be9ddcad8f28..4305da2c9037 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -148,6 +148,7 @@ MODULE_PARM_DESC(ch_count,
static void srp_add_one(struct ib_device *device);
static void srp_remove_one(struct ib_device *device, void *client_data);
+static void srp_rename_dev(struct ib_device *device, void *client_data);
static void srp_recv_done(struct ib_cq *cq, struct ib_wc *wc);
static void srp_handle_qp_err(struct ib_cq *cq, struct ib_wc *wc,
const char *opname);
@@ -162,7 +163,8 @@ static struct workqueue_struct *srp_remove_wq;
static struct ib_client srp_client = {
.name = "srp",
.add = srp_add_one,
- .remove = srp_remove_one
+ .remove = srp_remove_one,
+ .rename = srp_rename_dev
};
static struct ib_sa_client srp_sa_client;
@@ -4112,6 +4114,20 @@ free_host:
return NULL;
}
+static void srp_rename_dev(struct ib_device *device, void *client_data)
+{
+ struct srp_device *srp_dev = client_data;
+ struct srp_host *host, *tmp_host;
+
+ list_for_each_entry_safe(host, tmp_host, &srp_dev->dev_list, list) {
+ char name[IB_DEVICE_NAME_MAX + 8];
+
+ snprintf(name, sizeof(name), "srp-%s-%d",
+ dev_name(&device->dev), host->port);
+ device_rename(&host->dev, name);
+ }
+}
+
static void srp_add_one(struct ib_device *device)
{
struct srp_device *srp_dev;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 0742095355f2..54873085f2da 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2698,6 +2698,7 @@ struct ib_client {
const char *name;
void (*add) (struct ib_device *);
void (*remove)(struct ib_device *, void *client_data);
+ void (*rename)(struct ib_device *dev, void *client_data);
/* Returns the net_dev belonging to this ib_client and matching the
* given parameters.