On 04/07/2014 12:15 PM, Mike Snitzer wrote:
On Wed, Apr 02 2014 at 2:04pm -0400,
Mike Snitzer wrote:
From: Mikulas Patocka
Various subsystems can ask the bio subsystem to create a bio slab cache
with some free space before the bio. This free space can be used for any
purpose. Device mappe
On Wed, Apr 02 2014 at 2:04pm -0400,
Mike Snitzer wrote:
> From: Mikulas Patocka
>
> Various subsystems can ask the bio subsystem to create a bio slab cache
> with some free space before the bio. This free space can be used for any
> purpose. Device mapper uses this per-bio-data feature to p
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