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

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Message-ID: <aV-g7obwQw4HFcn8@fedora>
Date: Thu, 8 Jan 2026 20:19:58 +0800
From: Ming Lei <ming.lei@...hat.com>
To: Caleb Sander Mateos <csander@...estorage.com>
Cc: Jens Axboe <axboe@...nel.dk>, Shuah Khan <shuah@...nel.org>,
	linux-block@...r.kernel.org, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Stanley Zhang <stazhang@...estorage.com>,
	Uday Shankar <ushankar@...estorage.com>,
	"Martin K . Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH v4 09/19] ublk: implement integrity user copy

On Thu, Jan 08, 2026 at 02:19:37AM -0700, Caleb Sander Mateos wrote:
> From: Stanley Zhang <stazhang@...estorage.com>
> 
> 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@...estorage.com>
> [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@...estorage.com>

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


Thanks,
Ming