From 72474e6b91c5753a7384664b121844385923f16a Mon Sep 17 00:00:00 2001
From: Mister Oyster <oysterized@gmail.com>
Date: Thu, 26 Jan 2017 11:59:37 +0100
Subject: iosched: bfq: fix build

---
 block/Kconfig.iosched | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'block')

diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index d2f21031e..b168d2b36 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -86,6 +86,27 @@ config IOSCHED_FIOPS
           IOPS equally among all processes in the system. It's mainly for
           Flash based storage.
 
+config IOSCHED_BFQ
+	tristate "BFQ I/O scheduler"
+	default n
+	---help---
+	  The BFQ I/O scheduler tries to distribute bandwidth among
+	  all processes according to their weights.
+	  It aims at distributing the bandwidth as desired, independently of
+	  the disk parameters and with any workload. It also tries to
+	  guarantee low latency to interactive and soft real-time
+	  applications. If compiled built-in (saying Y here), BFQ can
+	  be configured to support hierarchical scheduling.
+
+config CGROUP_BFQIO
+	bool "BFQ hierarchical scheduling support"
+	depends on CGROUPS && IOSCHED_BFQ=y
+	default n
+	---help---
+	  Enable hierarchical scheduling in BFQ, using the cgroups
+	  filesystem interface.  The name of the subsystem will be
+	  bfqio.
+
 choice
 	prompt "Default I/O scheduler"
 	default DEFAULT_CFQ
@@ -121,6 +142,16 @@ choice
 	config DEFAULT_FIOPS
 		bool "FIOPS" if IOSCHED_FIOPS=y
 
+	config DEFAULT_BFQ
+		bool "BFQ" if IOSCHED_BFQ=y
+		help
+		  Selects BFQ as the default I/O scheduler which will be
+		  used by default for all block devices.
+		  The BFQ I/O scheduler aims at distributing the bandwidth
+		  as desired, independently of the disk parameters and with
+		  any workload. It also tries to guarantee low latency to
+		  interactive and soft real-time applications.
+
 	config DEFAULT_NOOP
 		bool "No-op"
 
@@ -133,6 +164,7 @@ config DEFAULT_IOSCHED
 	default "sio" if DEFAULT_SIO
 	default "cfq" if DEFAULT_CFQ
 	default "fiops" if DEFAULT_FIOPS
+	default "bfq" if DEFAULT_BFQ
 	default "noop" if DEFAULT_NOOP
     	default "zen" if DEFAULT_ZEN
 	default "sioplus" if DEFAULT_SIOPLUS
-- 
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