ADIOS: Backport linux6.19-rc1-ADIOS-3.1.7

ADIOS (Adaptive Deadline I/O Scheduler) is a block layer I/O scheduler
for the Linux kernel, designed for modern multi-queue block devices
(blk-mq). It aims to provide low latency for I/O operations by
combining deadline scheduling principles with a learning-based adaptive
latency control mechanism.

Link: https://github.com/firelzrd/adios
Signed-off-by: Kai Krakow <kai@kaishome.de>

Author: firelzrd

block/Kconfig.iosched

@@ -16,6 +16,20 @@ config MQ_IOSCHED_KYBER
 	  synchronous writes, it will self-tune queue depths to achieve that
 	  goal.
 
+config MQ_IOSCHED_ADIOS
+	tristate "Adaptive Deadline I/O scheduler"
+	default m
+	help
+	  The Adaptive Deadline I/O Scheduler (ADIOS) is a multi-queue I/O
+	  scheduler with learning-based adaptive latency control.
+
+config MQ_IOSCHED_DEFAULT_ADIOS
+	bool "Enable ADIOS I/O scheduler as default MQ I/O scheduler"
+	depends on MQ_IOSCHED_ADIOS=y
+	default n
+	help
+	  Enable the ADIOS I/O scheduler as the default scheduler for MQ I/O.
+
 config IOSCHED_BFQ
 	tristate "BFQ I/O scheduler"
 	select BLK_ICQ

block/Makefile

@@ -22,6 +22,7 @@ obj-$(CONFIG_BLK_CGROUP_IOLATENCY)	+= blk-iolatency.o
 obj-$(CONFIG_BLK_CGROUP_IOCOST)	+= blk-iocost.o
 obj-$(CONFIG_MQ_IOSCHED_DEADLINE)	+= mq-deadline.o
 obj-$(CONFIG_MQ_IOSCHED_KYBER)	+= kyber-iosched.o
+obj-$(CONFIG_MQ_IOSCHED_ADIOS)	+= adios.o
 bfq-y				:= bfq-iosched.o bfq-wf2q.o bfq-cgroup.o
 obj-$(CONFIG_IOSCHED_BFQ)	+= bfq.o
 
@@ -36,3 +37,10 @@ obj-$(CONFIG_BLK_INLINE_ENCRYPTION)	+= blk-crypto.o blk-crypto-profile.o \
 					   blk-crypto-sysfs.o
 obj-$(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK)	+= blk-crypto-fallback.o
 obj-$(CONFIG_BLOCK_HOLDER_DEPRECATED)	+= holder.o
+
+all:
+	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
+
+clean:
+	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
+