Re: [LSF/MM TOPIC] really large storage sectors - going beyond 4096bytes

From: Hannes Reinecke
Date: Wed Jan 22 2014 - 02:14:56 EST

On 01/22/2014 06:20 AM, Joel Becker wrote:
> On Tue, Jan 21, 2014 at 10:04:29PM -0500, Ric Wheeler wrote:
>> One topic that has been lurking forever at the edges is the current
>> 4k limitation for file system block sizes. Some devices in
>> production today and others coming soon have larger sectors and it
>> would be interesting to see if it is time to poke at this topic
>> again.
>> LSF/MM seems to be pretty much the only event of the year that most
>> of the key people will be present, so should be a great topic for a
>> joint session.
> Oh yes, I want in on this. We handle 4k/16k/64k pages "seamlessly," and
> we would want to do the same for larger sectors. In theory, our code
> should handle it with the appropriate defines updated.

The shingled drive folks would really love us for this.
Plus it would make live really easy for those type of devices.


Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at