ublk: split out ublk_user_copy() helper

ublk_ch_read_iter() and ublk_ch_write_iter() are nearly identical except
for the iter direction. Split out a helper function ublk_user_copy() to
reduce the code duplication as these functions are about to get larger.

Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Caleb Sander Mateos 2026-01-08 02:19:34 -07:00 • committed by Jens Axboe
commit 5bfbbc9938