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-rw-r--r--include/linux/mount.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 8eadd3b658990..2582559718fcc 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -20,6 +20,7 @@
#define MNT_NOSUID 0x01
#define MNT_NODEV 0x02
#define MNT_NOEXEC 0x04
+#define MNT_SHARED 0x10 /* if the vfsmount is a shared mount */
#define MNT_PNODE_MASK 0x30 /* propogation flag mask */
struct vfsmount {
@@ -36,6 +37,7 @@ struct vfsmount {
char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */
struct list_head mnt_list;
struct list_head mnt_expire; /* link in fs-specific expiry list */
+ struct list_head mnt_share; /* circular list of shared mounts */
struct namespace *mnt_namespace; /* containing namespace */
int mnt_pinned;
};