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authorTejun Heo <tj@kernel.org>2014-02-03 14:09:17 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-07 16:08:57 -0800
commitba341d55a420ab4fdd1a53fd395fd59bd65de880 (patch)
tree2de1c2cfc849e34434b275d78a9b40962418912a /fs
parentfa4cd451cceb77e97432b91fcf50a7e4a7361e29 (diff)
kernfs: add CONFIG_KERNFS
As sysfs was kernfs's only user, kernfs has been piggybacking on CONFIG_SYSFS; however, kernfs is scheduled to grow a new user very soon. Introduce a separate config option CONFIG_KERNFS which is to be selected by kernfs users. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/Kconfig1
-rw-r--r--fs/Makefile3
-rw-r--r--fs/kernfs/Kconfig7
-rw-r--r--fs/sysfs/Kconfig1
4 files changed, 11 insertions, 1 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index 7385e54be4b9..312393f32948 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -96,6 +96,7 @@ endif # BLOCK
menu "Pseudo filesystems"
source "fs/proc/Kconfig"
+source "fs/kernfs/Kconfig"
source "fs/sysfs/Kconfig"
config TMPFS
diff --git a/fs/Makefile b/fs/Makefile
index 47ac07bb4acc..f9cb9876e466 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -52,7 +52,8 @@ obj-$(CONFIG_FHANDLE) += fhandle.o
obj-y += quota/
obj-$(CONFIG_PROC_FS) += proc/
-obj-$(CONFIG_SYSFS) += sysfs/ kernfs/
+obj-$(CONFIG_KERNFS) += kernfs/
+obj-$(CONFIG_SYSFS) += sysfs/
obj-$(CONFIG_CONFIGFS_FS) += configfs/
obj-y += devpts/
diff --git a/fs/kernfs/Kconfig b/fs/kernfs/Kconfig
new file mode 100644
index 000000000000..397b5f7a7a16
--- /dev/null
+++ b/fs/kernfs/Kconfig
@@ -0,0 +1,7 @@
+#
+# KERNFS should be selected by its users
+#
+
+config KERNFS
+ bool
+ default n
diff --git a/fs/sysfs/Kconfig b/fs/sysfs/Kconfig
index 8c41feacbac5..b2756014508c 100644
--- a/fs/sysfs/Kconfig
+++ b/fs/sysfs/Kconfig
@@ -1,6 +1,7 @@
config SYSFS
bool "sysfs file system support" if EXPERT
default y
+ select KERNFS
help
The sysfs filesystem is a virtual filesystem that the kernel uses to
export internal kernel objects, their attributes, and their