tree 3782e77f13157c488cd9a49db5726e7411f0a2d7
parent 56a4f3091dceb7dfc14dc3ef1d5f59fe39ba4447
author Ilya Dryomov <idryomov@gmail.com> 1454247367 +0100
committer Ilya Dryomov <idryomov@gmail.com> 1454606755 +0100

crush: add chooseleaf_stable tunable

Add a tunable to fix the bug that chooseleaf may cause unnecessary pg
migrations when some device fails.

Reflects ceph.git commit fdb3f664448e80d984470f32f04e2e6f03ab52ec.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>