vfs: and now we can make ->mnt_master point to struct mount
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/mount.h b/fs/mount.h
index 7071d8f..d4db4c7 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -20,7 +20,7 @@
struct list_head mnt_mounts; /* list of children, anchored here */
struct list_head mnt_child; /* and going through their mnt_child */
/* yet to be moved - up to mnt_slave */
- struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */
+ struct mount *mnt_master; /* slave is on master->mnt_slave_list */
};
static inline struct mount *real_mount(struct vfsmount *mnt)
diff --git a/fs/namespace.c b/fs/namespace.c
index 3439042..847b724 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -715,7 +715,7 @@
if (flag & CL_SLAVE) {
list_add(&mnt->mnt.mnt_slave, &old->mnt.mnt_slave_list);
- mnt->mnt_master = &old->mnt;
+ mnt->mnt_master = old;
CLEAR_MNT_SHARED(&mnt->mnt);
} else if (!(flag & CL_PRIVATE)) {
if ((flag & CL_MAKE_SHARED) || IS_MNT_SHARED(&old->mnt))
@@ -1052,7 +1052,7 @@
if (IS_MNT_SHARED(mnt))
seq_printf(m, " shared:%i", mnt->mnt_group_id);
if (IS_MNT_SLAVE(r)) {
- int master = r->mnt_master->mnt_group_id;
+ int master = r->mnt_master->mnt.mnt_group_id;
int dom = get_dominating_id(r, &p->root);
seq_printf(m, " master:%i", master);
if (dom && dom != master)
diff --git a/fs/pnode.c b/fs/pnode.c
index 3ac44d1..9bf22b6 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -55,7 +55,7 @@
{
struct mount *m;
- for (m = real_mount(mnt->mnt_master); m != NULL; m = real_mount(m->mnt_master)) {
+ for (m = mnt->mnt_master; m != NULL; m = m->mnt_master) {
struct mount *d = get_peer_under_root(m, mnt->mnt.mnt_ns, root);
if (d)
return d->mnt.mnt_group_id;
@@ -66,7 +66,7 @@
static int do_make_slave(struct mount *mnt)
{
- struct mount *peer_mnt = mnt, *master = real_mount(mnt->mnt_master);
+ struct mount *peer_mnt = mnt, *master = mnt->mnt_master;
struct mount *slave_mnt;
/*
@@ -93,7 +93,7 @@
if (master) {
list_for_each_entry(slave_mnt, &mnt->mnt.mnt_slave_list, mnt.mnt_slave)
- slave_mnt->mnt_master = &master->mnt;
+ slave_mnt->mnt_master = master;
list_move(&mnt->mnt.mnt_slave, &master->mnt.mnt_slave_list);
list_splice(&mnt->mnt.mnt_slave_list, master->mnt.mnt_slave_list.prev);
INIT_LIST_HEAD(&mnt->mnt.mnt_slave_list);
@@ -106,7 +106,7 @@
slave_mnt->mnt_master = NULL;
}
}
- mnt->mnt_master = &master->mnt;
+ mnt->mnt_master = master;
CLEAR_MNT_SHARED(&mnt->mnt);
return 0;
}
@@ -149,9 +149,9 @@
return first_slave(m);
while (1) {
- struct mount *master = real_mount(m->mnt_master);
+ struct mount *master = m->mnt_master;
- if (&master->mnt == origin->mnt_master) {
+ if (master == origin->mnt_master) {
struct mount *next = next_peer(m);
return (next == origin) ? NULL : next;
} else if (m->mnt.mnt_slave.next != &master->mnt.mnt_slave_list)
@@ -179,11 +179,11 @@
struct mount *p_last_src = NULL;
struct mount *p_last_dest = NULL;
- while (&last_dest->mnt != dest->mnt_master) {
+ while (last_dest != dest->mnt_master) {
p_last_dest = last_dest;
p_last_src = last_src;
- last_dest = real_mount(last_dest->mnt_master);
- last_src = real_mount(last_src->mnt_master);
+ last_dest = last_dest->mnt_master;
+ last_src = last_src->mnt_master;
}
if (p_last_dest) {