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authorBart Van Assche <bvanassche@acm.org>2021-06-18 03:44:44 +0300
committerJens Axboe <axboe@kernel.dk>2021-06-22 00:03:40 +0300
commit556910e39249d55e23deaec479f49e7d85bc0d24 (patch)
treea62be8dec496a444ab8e691e406ee33609939246 /block/Makefile
parentfb44023e70224c3bd9eb949bd3ab66876bd14c56 (diff)
downloadlinux-556910e39249d55e23deaec479f49e7d85bc0d24.tar.xz
block: Introduce the ioprio rq-qos policy
Introduce an rq-qos policy that assigns an I/O priority to requests based on blk-cgroup configuration settings. This policy has the following advantages over the ioprio_set() system call: - This policy is cgroup based so it has all the advantages of cgroups. - While ioprio_set() does not affect page cache writeback I/O, this rq-qos controller affects page cache writeback I/O for filesystems that support assiociating a cgroup with writeback I/O. See also Documentation/admin-guide/cgroup-v2.rst. Cc: Damien Le Moal <damien.lemoal@wdc.com> Cc: Hannes Reinecke <hare@suse.de> Cc: Christoph Hellwig <hch@lst.de> Cc: Ming Lei <ming.lei@redhat.com> Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com> Cc: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20210618004456.7280-5-bvanassche@acm.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/Makefile')
-rw-r--r--block/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/Makefile b/block/Makefile
index 8d841f5f986f..af3d044abaf1 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_BLK_DEV_BSGLIB) += bsg-lib.o
obj-$(CONFIG_BLK_CGROUP) += blk-cgroup.o
obj-$(CONFIG_BLK_CGROUP_RWSTAT) += blk-cgroup-rwstat.o
obj-$(CONFIG_BLK_DEV_THROTTLING) += blk-throttle.o
+obj-$(CONFIG_BLK_CGROUP_IOPRIO) += blk-ioprio.o
obj-$(CONFIG_BLK_CGROUP_IOLATENCY) += blk-iolatency.o
obj-$(CONFIG_BLK_CGROUP_IOCOST) += blk-iocost.o
obj-$(CONFIG_MQ_IOSCHED_DEADLINE) += mq-deadline.o