linux-kernel - [PATCH] block: Default to build the BFQ I/O scheduler

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Date:   Fri, 27 Jan 2023 16:43:39 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org
Cc:     Paolo Valente <paolo.valente@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH] block: Default to build the BFQ I/O scheduler

Today BFQ is widely used and it's also the default choice for some of the
single-queue-based storage devices. Therefore, let's make it more
convenient to build it as default, along with the other I/O schedulers.

Let's also build the cgroup support for BFQ as default, as it's likely that
it's wanted too, assuming CONFIG_BLK_CGROUP is also set, of course.

Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 block/Kconfig.iosched | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index 615516146086..221739143d44 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -18,6 +18,7 @@ config MQ_IOSCHED_KYBER
 
 config IOSCHED_BFQ
 	tristate "BFQ I/O scheduler"
+	default y
 	select BLK_ICQ
 	help
 	BFQ I/O scheduler for BLK-MQ. BFQ distributes the bandwidth of
@@ -30,6 +31,7 @@ config IOSCHED_BFQ
 config BFQ_GROUP_IOSCHED
        bool "BFQ hierarchical scheduling support"
        depends on IOSCHED_BFQ && BLK_CGROUP
+       default y
        select BLK_CGROUP_RWSTAT
 	help
 
-- 
2.34.1