Re: [PATCH V3 1/3] block: clear BLK_FEAT_PCI_P2PDMA in blk_stack_limits() for non-supporting devices

Nitesh Shetty
2026-04-22T05:36:04Z

[-- Attachment #1: Type: text/plain, Size: 569 bytes --]

On 21/04/26 10:30PM, Chaitanya Kulkarni wrote:
>On 4/17/26 03:11, Nitesh Shetty wrote:
>> On 16/04/26 02:26PM, Chaitanya Kulkarni wrote:
>>> BLK_FEAT_NOWAIT and BLK_FEAT_POLL are cleared in blk_stack_limits()
>>> when an underlying device does not support them.  Apply the same
>>> treatment to BLK_FEAT_PCI_P2PDMA: stacking drivers set it
>>> unconditionally and rely on the core to clear it whenever a
>>> non-supporting member device is stacked.
>>>
>>> Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
>>> ---

Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>

[-- Attachment #2: Type: text/plain, Size: 0 bytes --]