linux-toradex.git/drivers/md/dm-cache-policy.h, branch v3.11 Linux kernel for Apalis and Colibri modules dm cache policy: fix description of lookup fn 2013-05-10T13:37:17+00:00 Alasdair G Kergon agk@redhat.com 2013-05-10T13:37:17+00:00 e12c1fd9d680f6b1181ae13efefc416743bd80e5 Correct the documented requirement on the return code from dm cache policy lookup functions stated in the policy module header file. Signed-off-by: Alasdair G Kergon <agk@redhat.com> 
Correct the documented requirement on the return code from dm cache policy
lookup functions stated in the policy module header file.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
dm cache: policy change version from string to integer set 2013-03-20T17:21:27+00:00 Mike Snitzer snitzer@redhat.com 2013-03-20T17:21:27+00:00 4e7f506f6429636115e2f58f9f97089acc62524a 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 <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> 
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 <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
dm: add cache target 2013-03-01T22:45:51+00:00 Joe Thornber ejt@redhat.com 2013-03-01T22:45:51+00:00 c6b4fcbad044e6fffcc75bba160e720eb8d67d17 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 <ejt@redhat.com> Signed-off-by: Heinz Mauelshagen <mauelshagen@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> 
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 <ejt@redhat.com>
Signed-off-by: Heinz Mauelshagen <mauelshagen@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>