[PATCH] Add fs_subsys to enable filesystems to use sysfs

This creates an "fs" subdirectory in sysfs so that GFS2 (or any other
filesystem, come to that) can make use of sysfs.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 552cedfa6064..eabc80d22bbc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1293,6 +1293,9 @@ extern int vfs_statfs(struct super_block *, struct kstatfs *);
 #define FLOCK_VERIFY_READ  1
 #define FLOCK_VERIFY_WRITE 2
 
+/* /sys/fs */
+extern struct subsystem fs_subsys;
+
 extern int locks_mandatory_locked(struct inode *);
 extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);