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Commit 616511d0 authored by Trond Myklebust's avatar Trond Myklebust Committed by Linus Torvalds
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VFS: Uninline the function put_mnt_ns() 



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

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: default avatarLinus 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)

{