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Commit 066715d3 authored by Al Viro's avatar Al Viro
Browse files

clone_private_mount() doesn't need to touch namespace_sem 



not for CL_PRIVATE clone_mnt()

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent f4cc1c38

fs/namespace.c

+0 −2
Original line number Diff line number Diff line
@@ -1795,9 +1795,7 @@ struct vfsmount *clone_private_mount(struct path *path) 
	if (IS_MNT_UNBINDABLE(old_mnt))

		return ERR_PTR(-EINVAL);



	down_read(&namespace_sem);

	new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE);

	up_read(&namespace_sem);

	if (IS_ERR(new_mnt))

		return ERR_CAST(new_mnt);