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authorAl Viro <viro@zeniv.linux.org.uk>2011-11-23 19:26:23 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-03 22:52:36 -0500
commitb2dba1af3c4157040303a76d25216b1713d333d0 (patch)
treec846b1c8074d29b9fc02ef3eeda98631dfd6ee94 /fs/pnode.h
parentaa9c0e07bb90589186f3b5a0ca97660c2cb50806 (diff)
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 <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/pnode.h')
-rw-r--r--fs/pnode.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/pnode.h b/fs/pnode.h
index 39128711027..7f0c13ae948 100644
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -9,7 +9,7 @@
#define _LINUX_PNODE_H
#include <linux/list.h>
-#include <linux/mount.h>
+#include "mount.h"
#define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED)
#define IS_MNT_SLAVE(mnt) (mnt->mnt_master)