Re: [PATCH v20 01/12] block: Introduce queue limits and sysfs for copy-offload support

Hannes Reinecke
2024-05-21T06:57:33Z

On 5/20/24 12:20, Nitesh Shetty wrote:
> Add device limits as sysfs entries,
> - copy_max_bytes (RW)
> - copy_max_hw_bytes (RO)
>
> Above limits help to split the copy payload in block layer.
> copy_max_bytes: maximum total length of copy in single payload.
> copy_max_hw_bytes: Reflects the device supported maximum limit.
>
> Signed-off-by: Nitesh Shetty <nj.shetty@samsung.com>
> Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
> Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
> ---
> Documentation/ABI/stable/sysfs-block | 23 +++++++++++++++
> block/blk-settings.c | 34 ++++++++++++++++++++--
> block/blk-sysfs.c | 43 ++++++++++++++++++++++++++++
> include/linux/blkdev.h | 14 +++++++++
> 4 files changed, 112 insertions(+), 2 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
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