Re: [PATCH 3/3] zbd: Ensure first I/O is write for random read/write to sequential zones

[Alexey Dobriyan <adobriyan@xxxxxxxxx>]

> zbd_adjust_block


> +	if (td_rw(td) && !f->zbd_info->sectors_with_data
> +	    && !td->o.read_beyond_wp)
> +		io_u->ddir = DDIR_WRITE;

Oh, you've noticed this too. :-)

This will issue the first write with wrong length if bs[DDIR_READ] != bs[DDIR_WRITE].
Adjusting in zbd_adjust_block() is too late.