# SPDX-License-Identifier: GPL-2.0menu "IO Schedulers" config MQ_IOSCHED_DEADLINE	tristate "MQ deadline I/O scheduler"	default y	help	  MQ version of the deadline IO scheduler. config MQ_IOSCHED_KYBER	tristate "Kyber I/O scheduler"	default y	help	  The Kyber I/O scheduler is a low-overhead scheduler suitable for	  multiqueue and other fast devices. Given target latencies for reads and	  synchronous writes, it will self-tune queue depths to achieve that	  goal. config IOSCHED_BFQ	tristate "BFQ I/O scheduler"	select BLK_ICQ	help	BFQ I/O scheduler for BLK-MQ. BFQ distributes the bandwidth of	of the device among all processes according to their weights,	regardless of the device parameters and with any workload. It	also guarantees a low latency to interactive and soft	real-time applications.  Details in	Documentation/block/bfq-iosched.rst config BFQ_GROUP_IOSCHED       bool "BFQ hierarchical scheduling support"       depends on IOSCHED_BFQ && BLK_CGROUP       default y       select BLK_CGROUP_RWSTAT	help        Enable hierarchical scheduling in BFQ, using the blkio       (cgroups-v1) or io (cgroups-v2) controller. config BFQ_CGROUP_DEBUG	bool "BFQ IO controller debugging"	depends on BFQ_GROUP_IOSCHED	help	Enable some debugging help. Currently it exports additional stat	files in a cgroup which can be useful for debugging. endmenu