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authorTejun Heo <tj@kernel.org>2019-11-07 11:18:04 -0800
committerJens Axboe <axboe@kernel.dk>2019-11-07 12:28:13 -0700
commit1d156646e0d8ec390e5d5ac288137df02d4207be (patch)
treeac8219a4da32a25ace792ac1d8775e890c34b127 /block/Kconfig
parentf73316482977ac401ac37245c9df48079d4e11f3 (diff)
downloadlinux-1d156646e0d8ec390e5d5ac288137df02d4207be.tar.bz2
blk-cgroup: separate out blkg_rwstat under CONFIG_BLK_CGROUP_RWSTAT
blkg_rwstat is now only used by bfq-iosched and blk-throtl when on cgroup1. Let's move it into its own files and gate it behind a config option. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/Kconfig')
-rw-r--r--block/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 41c0917ce622..c23094a14a2b 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -32,6 +32,9 @@ config BLK_RQ_ALLOC_TIME
config BLK_SCSI_REQUEST
bool
+config BLK_CGROUP_RWSTAT
+ bool
+
config BLK_DEV_BSG
bool "Block layer SG support v4"
default y
@@ -86,6 +89,7 @@ config BLK_DEV_ZONED
config BLK_DEV_THROTTLING
bool "Block layer bio throttling support"
depends on BLK_CGROUP=y
+ select BLK_CGROUP_RWSTAT
---help---
Block layer bio throttling support. It can be used to limit
the IO rate to a device. IO rate policies are per cgroup and