[RFC PATCHv2 3/4] nvme: add generic debugfs support

[Hannes Reinecke]

On 10/9/25 12:05, Nilay Shroff wrote:
> Add generic infrastructure for creating and managing debugfs files in
> the NVMe module. This introduces helper APIs that allow NVMe drivers to
> register and unregister debugfs entries, along with a reusable attribute
> structure for defining new debugfs files.
> 
> The implementation uses seq_file interfaces to safely expose per-NS and
> per-NS-head statistics, while supporting both simple show callbacks and
> full seq_operations.
> 
> Signed-off-by: Nilay Shroff <nilay at linux.ibm.com>
> ---
>   drivers/nvme/host/Makefile  |   2 +-
>   drivers/nvme/host/debugfs.c | 122 ++++++++++++++++++++++++++++++++++++
>   drivers/nvme/host/nvme.h    |  10 +++
>   3 files changed, 133 insertions(+), 1 deletion(-)
>   create mode 100644 drivers/nvme/host/debugfs.c
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare at suse.de                                +49 911 74053 688
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