Re: [PATCH v4 5/6] xfs: write stream based AG placement

On Fri, Jul 17, 2026 at 06:25:37PM +0530, Kanchan Joshi wrote:
> If AGs are fewer than write streams, write streams are distributed into
> available AGs in round robin fashion.

I think we should just limit the number of available write streams
to the number of AG, as otherwise we'll get into a bit of a mess.

And for the case of the hardware write streams query them in mkfs
to align the AG geometry to that.

> +	uint32_t		nr_streams = xfs_inode_max_write_streams(ip);
> +	uint32_t		stream_id = ip->i_write_stream;
> +	uint32_t		nr_ags = mp->m_sb.sb_agcount;
> +	xfs_agnumber_t		set_size;
> +
> +
> +	if (!nr_streams)

Double empty line.