21 Mar, 2013

1 commit

• 4e7f506f6   dm cache: policy change version from string to integer set ... Browse Code »

  Separate dm cache policy version string into 3 unsigned numbers
  corresponding to major, minor and patchlevel and store them at the end
  of the on-disk metadata so we know which version of the policy generated
  the hints in case a future version wants to use them differently.

  Signed-off-by: Mike Snitzer
  Signed-off-by: Alasdair G Kergon

  Mike Snitzer

  2013-03-21 01:21:27 +0800  

02 Mar, 2013

1 commit

• c6b4fcbad   dm: add cache target ... Browse Code »

  Add a target that allows a fast device such as an SSD to be used as a
  cache for a slower device such as a disk.

  A plug-in architecture was chosen so that the decisions about which data
  to migrate and when are delegated to interchangeable tunable policy
  modules. The first general purpose module we have developed, called
  "mq" (multiqueue), follows in the next patch. Other modules are
  under development.

  Signed-off-by: Joe Thornber
  Signed-off-by: Heinz Mauelshagen
  Signed-off-by: Mike Snitzer
  Signed-off-by: Alasdair G Kergon

  Joe Thornber

  2013-03-02 06:45:51 +0800