linux-kernel - [PATCH 23/32] Make anon_inodes unconditional [ver #9]

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Message-ID: <153126264345.14533.10101980065131428368.stgit@warthog.procyon.org.uk>
Date:   Tue, 10 Jul 2018 23:44:03 +0100
From:   David Howells <dhowells@...hat.com>
To:     viro@...iv.linux.org.uk
Cc:     dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
        torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH 23/32] Make anon_inodes unconditional [ver #9]

Make the anon_inodes facility unconditional so that it can be used by core
VFS code.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/Makefile  |    2 +-
 init/Kconfig |   10 ----------
 2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/fs/Makefile b/fs/Makefile
index 5563cf34f7c2..7e9ca59ac3a7 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_PROC_FS) += proc_namespace.o
 
 obj-y				+= notify/
 obj-$(CONFIG_EPOLL)		+= eventpoll.o
-obj-$(CONFIG_ANON_INODES)	+= anon_inodes.o
+obj-y				+= anon_inodes.o
 obj-$(CONFIG_SIGNALFD)		+= signalfd.o
 obj-$(CONFIG_TIMERFD)		+= timerfd.o
 obj-$(CONFIG_EVENTFD)		+= eventfd.o
diff --git a/init/Kconfig b/init/Kconfig
index 5a52f07259a2..d8303f4af5d2 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1066,9 +1066,6 @@ config LD_DEAD_CODE_DATA_ELIMINATION
 config SYSCTL
 	bool
 
-config ANON_INODES
-	bool
-
 config HAVE_UID16
 	bool
 
@@ -1273,14 +1270,12 @@ config HAVE_FUTEX_CMPXCHG
 config EPOLL
 	bool "Enable eventpoll support" if EXPERT
 	default y
-	select ANON_INODES
 	help
 	  Disabling this option will cause the kernel to be built without
 	  support for epoll family of system calls.
 
 config SIGNALFD
 	bool "Enable signalfd() system call" if EXPERT
-	select ANON_INODES
 	default y
 	help
 	  Enable the signalfd() system call that allows to receive signals
@@ -1290,7 +1285,6 @@ config SIGNALFD
 
 config TIMERFD
 	bool "Enable timerfd() system call" if EXPERT
-	select ANON_INODES
 	default y
 	help
 	  Enable the timerfd() system call that allows to receive timer
@@ -1300,7 +1294,6 @@ config TIMERFD
 
 config EVENTFD
 	bool "Enable eventfd() system call" if EXPERT
-	select ANON_INODES
 	default y
 	help
 	  Enable the eventfd() system call that allows to receive both
@@ -1414,7 +1407,6 @@ config KALLSYMS_BASE_RELATIVE
 # syscall, maps, verifier
 config BPF_SYSCALL
 	bool "Enable bpf() system call"
-	select ANON_INODES
 	select BPF
 	select IRQ_WORK
 	default n
@@ -1431,7 +1423,6 @@ config BPF_JIT_ALWAYS_ON
 
 config USERFAULTFD
 	bool "Enable userfaultfd() system call"
-	select ANON_INODES
 	depends on MMU
 	help
 	  Enable the userfaultfd() system call that allows to intercept and
@@ -1498,7 +1489,6 @@ config PERF_EVENTS
 	bool "Kernel performance events and counters"
 	default y if PROFILING
 	depends on HAVE_PERF_EVENTS
-	select ANON_INODES
 	select IRQ_WORK
 	select SRCU
 	help