[PATCH 01/17] add /sys/fs

[Miklos Szeredi <miklos@szeredi.hu>]

This patch adds an empty /sys/fs, which filesystems can use.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>

Index: linux/include/linux/fs.h
===================================================================
--- linux.orig/include/linux/fs.h	2006-01-13 21:52:18.000000000 +0100
+++ linux/include/linux/fs.h	2006-01-13 22:51:37.000000000 +0100
@@ -1297,6 +1297,9 @@ extern void mnt_set_mountpoint(struct vf
 
 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
 
Index: linux/fs/namespace.c
===================================================================
--- linux.orig/fs/namespace.c	2006-01-13 21:52:16.000000000 +0100
+++ linux/fs/namespace.c	2006-01-13 22:51:37.000000000 +0100
@@ -48,6 +48,10 @@ static int hash_mask __read_mostly, hash
 static kmem_cache_t *mnt_cache;
 static struct rw_semaphore namespace_sem;
 
+/* /sys/fs */
+decl_subsys(fs, NULL, NULL);
+EXPORT_SYMBOL(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 mempa
 		i--;
 	} while (i);
 	sysfs_init();
+	subsystem_register(&fs_subsys);
 	init_rootfs();
 	init_mount_tree();
 }

--
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