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

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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@xxxxxxxxxxx>
Signed-off-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>
Signed-off-by: Anuj Gupta <anuj20.g@xxxxxxxxxxx>
---
  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@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich





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