On 2024/10/30 20:12, Leon Romanovsky wrote:
> On Thu, Oct 24, 2024 at 08:39:58PM +0800, Junxian Huang wrote:
>> From: Yuyu Li <liyuyu6@xxxxxxxxxx>
>>
>> The sub-directory of hns_roce debugfs is named after the device's
>> kernel name currently, but it will be inconvenient to use when
>> the device is renamed.
>>
>> Modify the name to pci name as users can always easily find the
>> correspondence between an RDMA device and its pci name.
>>
>> Fixes: eb7854d63db5 ("RDMA/hns: Support SW stats with debugfs")
>> Signed-off-by: Yuyu Li <liyuyu6@xxxxxxxxxx>
>> Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
>> ---
>> drivers/infiniband/hw/hns/hns_roce_debugfs.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/infiniband/hw/hns/hns_roce_debugfs.c b/drivers/infiniband/hw/hns/hns_roce_debugfs.c
>> index e8febb40f645..b869cdc54118 100644
>> --- a/drivers/infiniband/hw/hns/hns_roce_debugfs.c
>> +++ b/drivers/infiniband/hw/hns/hns_roce_debugfs.c
>> @@ -5,6 +5,7 @@
>>
>> #include <linux/debugfs.h>
>> #include <linux/device.h>
>> +#include <linux/pci.h>
>>
>> #include "hns_roce_device.h"
>>
>> @@ -86,7 +87,7 @@ void hns_roce_register_debugfs(struct hns_roce_dev *hr_dev)
>> {
>> struct hns_roce_dev_debugfs *dbgfs = &hr_dev->dbgfs;
>>
>> - dbgfs->root = debugfs_create_dir(dev_name(&hr_dev->ib_dev.dev),
>> + dbgfs->root = debugfs_create_dir(pci_name(hr_dev->pci_dev),
>> hns_roce_dbgfs_root);
>
> Let's take this change, but the more correct way is to add .rename()
> callback to ib_device ops in similar way to what we do in ib_client
> and call to debugfs_rename() from there.
>
> See ib_device_rename() implementation for "lient->rename(ibdev, client_data);" call.
>
Thanks for applying and the guidance. I'll have a look at it.
Junxian
> Thanks
