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crush: add chooseleaf_stable tunable
authorIlya Dryomov <idryomov@gmail.com>
Sun, 31 Jan 2016 13:36:07 +0000 (14:36 +0100)
committerIlya Dryomov <idryomov@gmail.com>
Wed, 3 Feb 2016 13:37:23 +0000 (14:37 +0100)
commitd223a57954b158084e9be1ab9580ea50fea4fa66
tree3782e77f13157c488cd9a49db5726e7411f0a2d7tree | snapshot
parent86a8e50d53849247894a21b800ca0252bd3497cacommit | diff
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>
include/linux/crush/crush.h diff | blob | history
net/ceph/crush/mapper.c diff | blob | history
Linux kernel for KaRo TX COM modules