On Tue, Dec 16, 2025 at 10:34:42PM -0700, Caleb Sander Mateos wrote:
> Factor a helper function ublk_copy_user_bvec() out of
> ublk_copy_user_pages(). It will be used for copying integrity data too.
> 
> Signed-off-by: Caleb Sander Mateos <[email protected]>
> ---
>  drivers/block/ublk_drv.c | 52 +++++++++++++++++++++++-----------------
>  1 file changed, 30 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
> index d3652ceba96d..0499add560b5 100644
> --- a/drivers/block/ublk_drv.c
> +++ b/drivers/block/ublk_drv.c
> @@ -987,10 +987,39 @@ static const struct block_device_operations ub_fops = {
>       .open =         ublk_open,
>       .free_disk =    ublk_free_disk,
>       .report_zones = ublk_report_zones,
>  };
>  
> +static bool ublk_copy_user_bvec(struct bio_vec bv, unsigned *offset,

bv could be better to define as `const struct bio_vec *` for avoiding copy,
otherwise this patch looks fine.


Thanks, 
Ming


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