Commit 616511d0 authored Jun 22, 2009 by Trond Myklebust Committed by Linus Torvalds Jun 22, 2009

VFS: Uninline the function put_mnt_ns()

In order to allow modules to use it without having to export vfsmount_lock.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 31950eb6

fs/namespace.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -2246,10 +2246,14 @@ void __init mnt_init(void)
		init_mount_tree();
		}

		void __put_mnt_ns(struct mnt_namespace *ns)
		void put_mnt_ns(struct mnt_namespace *ns)
		{
		struct vfsmount *root = ns->root;
		struct vfsmount *root;
		LIST_HEAD(umount_list);

		if (!atomic_dec_and_lock(&ns->count, &vfsmount_lock))
		return;
		root = ns->root;
		ns->root = NULL;
		spin_unlock(&vfsmount_lock);
		down_write(&namespace_sem);

include/linux/mnt_namespace.h

+1 −8

Original line number	Diff line number	Diff line
		@@ -26,14 +26,7 @@ struct fs_struct;

		extern struct mnt_namespace copy_mnt_ns(unsigned long, struct mnt_namespace ,
		struct fs_struct *);
		extern void __put_mnt_ns(struct mnt_namespace *ns);

		static inline void put_mnt_ns(struct mnt_namespace *ns)
		{
		if (atomic_dec_and_lock(&ns->count, &vfsmount_lock))
		/* releases vfsmount_lock */
		__put_mnt_ns(ns);
		}
		extern void put_mnt_ns(struct mnt_namespace *ns);

		static inline void exit_mnt_ns(struct task_struct *p)
		{