[gnome-continuous-yocto/gnomeostree-3.28-rocko: 936/8267] classes/rm_work: use the idle I/O scheduler class

[Emmanuele Bassi <ebassi src gnome org>]

commit 4f8f3f6cb4ff06c8d40cd4d0f93eca38fc0c03d7
Author: Ross Burton <ross burton intel com>
Date:   Tue Jun 14 16:17:46 2016 +0100

    classes/rm_work: use the idle I/O scheduler class
    
    As rm_work is just cleanup it shouldn't starve more important tasks such as
    do_compile of I/O, so use BB_TASK_IONICE_LEVEL to run the task in the idle
    scheduler class.
    
    (From OE-Core rev: 6025a14dbbd09b2805fe2e17ddc24f2a515cb832)
    
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/classes/rm_work.bbclass |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/meta/classes/rm_work.bbclass b/meta/classes/rm_work.bbclass
index 3ebf095..3e6c5ac 100644
--- a/meta/classes/rm_work.bbclass
+++ b/meta/classes/rm_work.bbclass
@@ -15,6 +15,9 @@
 # to try and reduce disk usage
 BB_SCHEDULER ?= "completion"
 
+# Run the rm_work task in the idle scheduling class
+BB_TASK_IONICE_LEVEL_task-rm_work = "3.0"
+
 RMWORK_ORIG_TASK := "${BB_DEFAULT_TASK}"
 BB_DEFAULT_TASK = "rm_work_all"