vfs: move mnt_mountpoint to struct mount
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/dcache.c b/fs/dcache.c
index 98b4875..2479004 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2464,7 +2464,7 @@
/* Global root? */
if (!mnt_has_parent(mnt))
goto global_root;
- dentry = mnt->mnt.mnt_mountpoint;
+ dentry = mnt->mnt_mountpoint;
mnt = mnt->mnt_parent;
vfsmnt = &mnt->mnt;
continue;
diff --git a/fs/mount.h b/fs/mount.h
index 201dd61..853738f 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -3,6 +3,7 @@
struct mount {
struct list_head mnt_hash;
struct mount *mnt_parent;
+ struct dentry *mnt_mountpoint;
struct vfsmount mnt;
};
diff --git a/fs/namei.c b/fs/namei.c
index 2e9110a..87363aa 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -684,7 +684,7 @@
parent = mnt->mnt_parent;
if (&parent->mnt == path->mnt)
return 0;
- mountpoint = mnt->mnt.mnt_mountpoint;
+ mountpoint = mnt->mnt_mountpoint;
path->dentry = mountpoint;
path->mnt = &parent->mnt;
return 1;
@@ -703,7 +703,7 @@
return 0;
}
mntget(&parent->mnt);
- mountpoint = dget(mnt->mnt.mnt_mountpoint);
+ mountpoint = dget(mnt->mnt_mountpoint);
br_read_unlock(vfsmount_lock);
dput(path->dentry);
path->dentry = mountpoint;
diff --git a/fs/namespace.c b/fs/namespace.c
index 5e700c6..ec798e7 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -476,7 +476,7 @@
if (tmp == head)
break;
p = list_entry(tmp, struct mount, mnt_hash);
- if (&p->mnt_parent->mnt == mnt && p->mnt.mnt_mountpoint == dentry) {
+ if (&p->mnt_parent->mnt == mnt && p->mnt_mountpoint == dentry) {
found = p;
break;
}
@@ -543,7 +543,7 @@
struct mount *p;
list_for_each_entry(p, &mount_hashtable[u], mnt_hash) {
- if (p->mnt.mnt_mountpoint == dentry)
+ if (p->mnt_mountpoint == dentry)
return;
}
}
@@ -557,10 +557,10 @@
*/
static void detach_mnt(struct mount *mnt, struct path *old_path)
{
- old_path->dentry = mnt->mnt.mnt_mountpoint;
+ old_path->dentry = mnt->mnt_mountpoint;
old_path->mnt = &mnt->mnt_parent->mnt;
mnt->mnt_parent = mnt;
- mnt->mnt.mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
list_del_init(&mnt->mnt.mnt_child);
list_del_init(&mnt->mnt_hash);
dentry_reset_mounted(old_path->dentry);
@@ -573,7 +573,7 @@
struct mount *child_mnt)
{
child_mnt->mnt_parent = real_mount(mntget(mnt));
- child_mnt->mnt.mnt_mountpoint = dget(dentry);
+ child_mnt->mnt_mountpoint = dget(dentry);
spin_lock(&dentry->d_lock);
dentry->d_flags |= DCACHE_MOUNTED;
spin_unlock(&dentry->d_lock);
@@ -626,7 +626,7 @@
list_splice(&head, n->list.prev);
list_add_tail(&mnt->mnt_hash, mount_hashtable +
- hash(&parent->mnt, mnt->mnt.mnt_mountpoint));
+ hash(&parent->mnt, mnt->mnt_mountpoint));
list_add_tail(&mnt->mnt.mnt_child, &parent->mnt.mnt_mounts);
touch_mnt_namespace(n);
}
@@ -681,7 +681,7 @@
mnt->mnt.mnt_root = root;
mnt->mnt.mnt_sb = root->d_sb;
- mnt->mnt.mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
mnt->mnt_parent = mnt;
return &mnt->mnt;
}
@@ -709,7 +709,7 @@
atomic_inc(&sb->s_active);
mnt->mnt.mnt_sb = sb;
mnt->mnt.mnt_root = dget(root);
- mnt->mnt.mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
mnt->mnt_parent = mnt;
if (flag & CL_SLAVE) {
@@ -1201,9 +1201,9 @@
struct vfsmount *m;
br_write_lock(vfsmount_lock);
- dentry = mnt->mnt.mnt_mountpoint;
+ dentry = mnt->mnt_mountpoint;
m = &mnt->mnt_parent->mnt;
- mnt->mnt.mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
mnt->mnt_parent = mnt;
m->mnt_ghosts--;
br_write_unlock(vfsmount_lock);
@@ -1238,7 +1238,7 @@
list_del_init(&p->mnt.mnt_child);
if (mnt_has_parent(p)) {
p->mnt_parent->mnt.mnt_ghosts++;
- dentry_reset_mounted(p->mnt.mnt_mountpoint);
+ dentry_reset_mounted(p->mnt_mountpoint);
}
change_mnt_propagation(p, MS_PRIVATE);
}
@@ -1412,8 +1412,7 @@
struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,
int flag)
{
- struct mount *res, *p, *q;
- struct vfsmount *r;
+ struct mount *res, *p, *q, *r;
struct path path;
if (!(flag & CL_COPY_ALL) && IS_MNT_UNBINDABLE(&mnt->mnt))
@@ -1422,15 +1421,15 @@
res = q = clone_mnt(mnt, dentry, flag);
if (!q)
goto Enomem;
- q->mnt.mnt_mountpoint = mnt->mnt.mnt_mountpoint;
+ q->mnt_mountpoint = mnt->mnt_mountpoint;
p = mnt;
- list_for_each_entry(r, &mnt->mnt.mnt_mounts, mnt_child) {
+ list_for_each_entry(r, &mnt->mnt.mnt_mounts, mnt.mnt_child) {
struct mount *s;
if (!is_subdir(r->mnt_mountpoint, dentry))
continue;
- for (s = real_mount(r); s; s = next_mnt(s, r)) {
+ for (s = r; s; s = next_mnt(s, &r->mnt)) {
if (!(flag & CL_COPY_ALL) && IS_MNT_UNBINDABLE(&s->mnt)) {
s = skip_mnt_tree(s);
continue;
@@ -1441,7 +1440,7 @@
}
p = s;
path.mnt = &q->mnt;
- path.dentry = p->mnt.mnt_mountpoint;
+ path.dentry = p->mnt_mountpoint;
q = clone_mnt(p, p->mnt.mnt_root, flag);
if (!q)
goto Enomem;
@@ -2564,7 +2563,7 @@
const struct path *root)
{
while (&mnt->mnt != root->mnt && mnt_has_parent(mnt)) {
- dentry = mnt->mnt.mnt_mountpoint;
+ dentry = mnt->mnt_mountpoint;
mnt = mnt->mnt_parent;
}
return &mnt->mnt == root->mnt && is_subdir(dentry, root->dentry);
diff --git a/fs/pnode.c b/fs/pnode.c
index 7fddc67..bd28020 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -308,7 +308,7 @@
for (m = propagation_next(&parent->mnt, &parent->mnt); m;
m = propagation_next(m, &parent->mnt)) {
- child = __lookup_mnt(m, mnt->mnt.mnt_mountpoint, 0);
+ child = __lookup_mnt(m, mnt->mnt_mountpoint, 0);
if (child && list_empty(&child->mnt.mnt_mounts) &&
(ret = do_refcount_check(child, 1)))
break;
@@ -331,7 +331,7 @@
m = propagation_next(m, &parent->mnt)) {
struct mount *child = __lookup_mnt(m,
- mnt->mnt.mnt_mountpoint, 0);
+ mnt->mnt_mountpoint, 0);
/*
* umount the child only if the child has no
* other children