Re: [PATCH v4 09/19] ublk: implement integrity user copy

[Ming Lei]

On Thu, Jan 08, 2026 at 02:19:37AM -0700, Caleb Sander Mateos wrote:
> From: Stanley Zhang <stazhang@xxxxxxxxxxxxxxx>
> 
> Add a function ublk_copy_user_integrity() to copy integrity information
> between a request and a user iov_iter. This mirrors the existing
> ublk_copy_user_pages() but operates on request integrity data instead of
> regular data. Check UBLKSRV_IO_INTEGRITY_FLAG in iocb->ki_pos in
> ublk_user_copy() to choose between copying data or integrity data.
> 
> Signed-off-by: Stanley Zhang <stazhang@xxxxxxxxxxxxxxx>
> [csander: change offset units from data bytes to integrity data bytes,
>  fix CONFIG_BLK_DEV_INTEGRITY=n build, rebase on user copy refactor]
> Signed-off-by: Caleb Sander Mateos <csander@xxxxxxxxxxxxxxx>

Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>


Thanks,
Ming