From f87fd4c2a0c4f3baad28057360b36a59591ef751 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <miklos@szeredi.hu>
Date: Mon, 16 Jan 2006 22:14:23 -0800
Subject: [PATCH] [PATCH] add /sys/fs
This patch adds an empty /sys/fs, which filesystems can use.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
fs/namespace.c | 5 +++++
include/linux/fs.h | 3 +++
2 files changed, 8 insertions(+)
diff --git a/fs/namespace.c b/fs/namespace.c
index 8bc15b362d23..ce97becff461 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -48,6 +48,10 @@ static int hash_mask __read_mostly, hash_bits __read_mostly;
static kmem_cache_t *mnt_cache;
static struct rw_semaphore namespace_sem;
+/* /sys/fs */
+decl_subsys(fs, NULL, NULL);
+EXPORT_SYMBOL_GPL(fs_subsys);
+
static inline unsigned long hash(struct vfsmount *mnt, struct dentry *dentry)
{
unsigned long tmp = ((unsigned long)mnt / L1_CACHE_BYTES);
@@ -1725,6 +1729,7 @@ void __init mnt_init(unsigned long mempages)
i--;
} while (i);
sysfs_init();
+ subsystem_register(&fs_subsys);
init_rootfs();
init_mount_tree();
}
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 552cedfa6064..b77f2608eef9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1290,6 +1290,9 @@ extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
extern int vfs_statfs(struct super_block *, struct kstatfs *);
+/* /sys/fs */
+extern struct subsystem fs_subsys;
+
#define FLOCK_VERIFY_READ 1
#define FLOCK_VERIFY_WRITE 2
--
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