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authorAl Viro <viro@zeniv.linux.org.uk>2011-11-24 22:25:07 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-03 22:57:05 -0500
commita73324da7af4052e1d1ddec6a5980f552420e58b (patch)
tree65c119bf3bb852c4298aeb24b906dc3a5be7520a /fs/namespace.c
parent0714a533805a0f8ebfc6fdb6bda9f129b8c7c6d7 (diff)
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vfs: move mnt_mountpoint to struct mount
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namespace.c')
-rw-r--r--fs/namespace.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 5e700c6df579..ec798e77b726 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -476,7 +476,7 @@ struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry,
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 @@ static void dentry_reset_mounted(struct dentry *dentry)
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 dentry_reset_mounted(struct dentry *dentry)
*/
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 @@ void mnt_set_mountpoint(struct vfsmount *mnt, struct dentry *dentry,
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 @@ static void commit_tree(struct mount *mnt)
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 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void
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 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root,
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 @@ void release_mounts(struct list_head *head)
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 @@ void umount_tree(struct mount *mnt, int propagate, struct list_head *kill)
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 @@ static int mount_is_safe(struct path *path)
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 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,
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 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,
}
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 @@ bool is_path_reachable(struct mount *mnt, struct dentry *dentry,
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);