diff options
Diffstat (limited to 'block/Kconfig')
| -rw-r--r-- | block/Kconfig | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/block/Kconfig b/block/Kconfig index a2297edfdde8..7885a27bd949 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 @@ -144,6 +151,15 @@ config BLK_CGROUP_IOLATENCY Note, this is an experimental interface and could be changed someday. +config BLK_CGROUP_FC_APPID + bool "Enable support to track FC I/O Traffic across cgroup applications" + depends on BLK_CGROUP=y + help + Enabling this option enables the support to track FC I/O traffic across + cgroup applications. It enables the Fabric and the storage targets to + identify, monitor, and handle FC traffic based on VM tags by inserting + application specific identification into the FC frame. + config BLK_CGROUP_IOCOST bool "Enable support for cost model based cgroup IO controller" depends on BLK_CGROUP=y @@ -155,12 +171,14 @@ 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" |