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>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/classes/rm_work.bbclass b/meta/classes/rm_work.bbclass
index 3ebf0956c6..3e6c5ac545 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"