diff options
Diffstat (limited to 'block/Kconfig')
| -rw-r--r-- | block/Kconfig | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/block/Kconfig b/block/Kconfig index a2297edfdde8..e71c63eaaf52 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -133,6 +133,13 @@ config BLK_WBT dynamically on an algorithm loosely based on CoDel, factoring in the realtime performance of the disk. +config BLK_WBT_MQ + bool "Enable writeback throttling by default" + default y + depends on BLK_WBT + help + Enable writeback throttling by default for request-based block devices. + config BLK_CGROUP_IOLATENCY bool "Enable support for latency based cgroup IO protection" depends on BLK_CGROUP=y @@ -155,12 +162,14 @@ config BLK_CGROUP_IOCOST distributes IO capacity between different groups based on their share of the overall weight distribution. -config BLK_WBT_MQ - bool "Multiqueue writeback throttling" - default y - depends on BLK_WBT +config BLK_CGROUP_IOPRIO + bool "Cgroup I/O controller for assigning an I/O priority class" + depends on BLK_CGROUP help - Enable writeback throttling by default on multiqueue devices. + Enable the .prio interface for assigning an I/O priority class to + requests. The I/O priority class affects the order in which an I/O + scheduler and block devices process requests. Only some I/O schedulers + and some block devices support I/O priorities. config BLK_DEBUG_FS bool "Block layer debugging information in debugfs" |