zbd: print max_active_zones limit error message

zbd: print max_active_zones limit error message

When zoned block devices have max_active_zones limit and when write
operations exceed that limit, Linux block sub-system reports EOVERFLOW.
However, the strerror() string for EOVERFLOW does not mention about
max_active_zones then it confuses users.

To avoid the confusion, print additional error message to indicate the
max_active_zones limit. For this purpose, add a hook function
zbd_log_err() and call it from __io_u_log_error().

Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com>
Link: https://lore.kernel.org/r/20230719105756.553146-4-shinichiro.kawasaki@wdc.com
Signed-off-by: Vincent Fu <vincent.fu@samsung.com>