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SubjectRe: [PATCH] superbh, fractured blocks, and grouped io
On Mon, Oct 14, 2002 at 03:51:00PM +0200, Jens Axboe wrote:

Just a couple niggles, really. Looking good.

> /*
> - * First step, 'identity mapping' - RAID or LVM might
> - * further remap this.
> + * detach each bh and resubmit, or completely and if its a grouped bh
> */

The last line of the comment means "completely fail if its
grouped", right?

> +#define MAX_SUPERBH 65535 /* must fit info ->b_size right now */

Why not sizeof(b_size) in case we ever care?

> +extern int submit_bh_linked(int, struct buffer_head *);
> +extern int submit_bh_grouped(int, struct buffer_head *);

Why aren't these EXPORT_SYMBOL(), given that a third party
driver may wish to use them (eg, a filesystem doing its own O_DIRECT



"We'd better get back, `cause it'll be dark soon,
and they mostly come at night. Mostly."

Joel Becker
Senior Member of Technical Staff
Oracle Corporation
Phone: (650) 506-8127
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