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authorJohn Pittman <jpittman@redhat.com>2019-01-08 16:56:13 -0500
committerJens Axboe <axboe@kernel.dk>2019-01-09 07:38:48 -0700
commit47cb393ee4815e10ab66f981fed581afdcc7caac (patch)
tree3eecbe7465fdcee15ef0dfeecc95105b45e85793 /Documentation
parent40405851af73c59678ffd8f490e6b288c7fbaf29 (diff)
block: doc: add slice_idle_us to bfq documentation
Of the tunables available for the bfq I/O scheduler, the only one missing from the documentation in 'Documentation/block/bfq-iosched.txt' is slice_idle_us. Add this tunable to the documentation and a short explanation of its purpose. Acked-by: Paolo Valente <paolo.valente@linaro.org> Signed-off-by: John Pittman <jpittman@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/block/bfq-iosched.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/block/bfq-iosched.txt b/Documentation/block/bfq-iosched.txt
index 8d8d8f06cab2..98a8dd5ee385 100644
--- a/Documentation/block/bfq-iosched.txt
+++ b/Documentation/block/bfq-iosched.txt
@@ -357,6 +357,13 @@ video playing/streaming, a very low drop rate may be more important
than maximum throughput. In these cases, consider setting the
strict_guarantees parameter.
+slice_idle_us
+-------------
+
+Controls the same tuning parameter as slice_idle, but in microseconds.
+Either tunable can be used to set idling behavior. Afterwards, the
+other tunable will reflect the newly set value in sysfs.
+
strict_guarantees
-----------------