ovl: move __upperdentry to ovl_inode
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index c166c1d..1b86571 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -41,7 +41,6 @@ static void ovl_dentry_release(struct dentry *dentry)
if (oe) {
unsigned int i;
- dput(oe->__upperdentry);
kfree(oe->redirect);
for (i = 0; i < oe->numlower; i++)
dput(oe->lowerstack[i].dentry);
@@ -171,7 +170,7 @@ static struct inode *ovl_alloc_inode(struct super_block *sb)
{
struct ovl_inode *oi = kmem_cache_alloc(ovl_inode_cachep, GFP_KERNEL);
- oi->upper = NULL;
+ oi->__upperdentry = NULL;
oi->lower = NULL;
return &oi->vfs_inode;
@@ -186,6 +185,10 @@ static void ovl_i_callback(struct rcu_head *head)
static void ovl_destroy_inode(struct inode *inode)
{
+ struct ovl_inode *oi = OVL_I(inode);
+
+ dput(oi->__upperdentry);
+
call_rcu(&inode->i_rcu, ovl_i_callback);
}
@@ -636,7 +639,7 @@ ovl_posix_acl_xattr_set(const struct xattr_handler *handler,
size_t size, int flags)
{
struct dentry *workdir = ovl_workdir(dentry);
- struct inode *realinode = ovl_inode_real(inode, NULL);
+ struct inode *realinode = ovl_inode_real(inode);
struct posix_acl *acl = NULL;
int err;
@@ -678,7 +681,7 @@ ovl_posix_acl_xattr_set(const struct xattr_handler *handler,
err = ovl_xattr_set(dentry, handler->name, value, size, flags);
if (!err)
- ovl_copyattr(ovl_inode_real(inode, NULL), inode);
+ ovl_copyattr(ovl_inode_real(inode), inode);
return err;
@@ -1000,7 +1003,6 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
kfree(lowertmp);
if (upperpath.dentry) {
- oe->__upperdentry = upperpath.dentry;
oe->impure = ovl_is_impuredir(upperpath.dentry);
}
for (i = 0; i < numlower; i++) {
@@ -1011,7 +1013,8 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
root_dentry->d_fsdata = oe;
- ovl_inode_init(d_inode(root_dentry), root_dentry);
+ ovl_inode_init(d_inode(root_dentry), upperpath.dentry,
+ ovl_dentry_lower(root_dentry));
sb->s_root = root_dentry;