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Re: [dm-devel] dm-loop and kernel 3.x



On Aug 8, 2012, at 10:46 AM, Bryn M. Reeves <bmr redhat com> wrote:

> On 08/08/2012 03:33 PM, Matt Coleman wrote:
>> I just tried (unsuccessfully) to apply the dm-loop patches to kernel
>> 3.2.0. dm-bio-list-helpers.patch failed to apply because
> 
> Out of interest, what features where you particularly interested in in
> dm-loop today? The original motivation was performance and to break the
> limit on the maximum number of loop devices (both of which are now
> somewhat less of a problem for the main loop driver) so the main benefit
> today seems to be to have loopback support as a native dm target
> (avoiding the need for two block devices to use loop files).

I was looking to remove the limit on maximum number of loop devices. I wasn't aware that had changed. Was the limit entirely lifted, or is there a new higher limit? When did that change occur (which kernel version)?


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