From b2dba1af3c4157040303a76d25216b1713d333d0 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 23 Nov 2011 19:26:23 -0500 Subject: vfs: new internal helper: mnt_has_parent(mnt) vfsmounts have ->mnt_parent pointing either to a different vfsmount or to itself; it's never NULL and termination condition in loops traversing the tree towards root is mnt == mnt->mnt_parent. At least one place (see the next patch) is confused about what's going on; let's add an explicit helper checking it right way and use it in all places where we need it. Not that there had been too many, but... Signed-off-by: Al Viro --- fs/pnode.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/pnode.h') diff --git a/fs/pnode.h b/fs/pnode.h index 391287110274..7f0c13ae9484 100644 --- a/fs/pnode.h +++ b/fs/pnode.h @@ -9,7 +9,7 @@ #define _LINUX_PNODE_H #include -#include +#include "mount.h" #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED) #define IS_MNT_SLAVE(mnt) (mnt->mnt_master) -- cgit v1.2.3-55-g7522