On 4/21/21 2:47 AM, Changheun Lee wrote:

quoted

bio size can grow up to 4GB when muli-page bvec is enabled.
but sometimes it would lead to inefficient behaviors.
in case of large chunk direct I/O, - 32MB chunk read in user space -

This patch looks good to me, hence:

Reviewed-by: Bart Van Assche <bvanassche@acm.org>

Do you plan to submit a dm-crypt patch that limits the bio size when 
using dm-crypt to the bio size of the underling device?

Thanks,

Bart.

Yes, I'm preparing a dm-crypt patch. I'll upstream after applying of this.
Thank you for your review, and advice. :)

Thanks,

Changheun Lee.