From f87fd4c2a0c4f3baad28057360b36a59591ef751 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi 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 Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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 8bc15b362d..ce97becff4 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 552cedfa60..b77f2608ee 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 -- 2.39.2