10     sync::{Arc, Weak},
40     inner_filesystem: Arc<dyn FileSystem>,
42     mountpoints: SpinLock<BTreeMap<InodeId, Arc<MountFS>>>,
44     self_mountpoint: Option<Arc<MountFSInode>>,
54     inner_inode: Arc<dyn IndexNode>,
56     mount_fs: Arc<MountFS>,
63         inner_filesystem: Arc<dyn FileSystem>,  in new()
64         self_mountpoint: Option<Arc<MountFSInode>>,  in new()
65     ) -> Arc<Self> {  in new()
66         return Arc::new_cyclic(|self_ref| MountFS {  in new()
79     fn wrap(self) -> Arc<Self> {  in wrap()
81         let mount_fs: Arc<MountFS> = Arc::new(self);  in wrap()
83         let weak: Weak<MountFS> = Arc::downgrade(&mount_fs);  in wrap()
95     pub fn mountpoint_root_inode(&self) -> Arc<MountFSInode> {  in mountpoint_root_inode()
96         return Arc::new_cyclic(|self_ref| MountFSInode {  in mountpoint_root_inode()
103     pub fn inner_filesystem(&self) -> Arc<dyn FileSystem> {  in inner_filesystem()
107     pub fn self_ref(&self) -> Arc<Self> {  in self_ref()
114     pub fn umount(&self) -> Result<Arc<MountFS>, SystemError> {  in umount()
128     fn wrap(self) -> Arc<Self> {  in wrap()
130         let inode: Arc<MountFSInode> = Arc::new(self);  in wrap()
132         let weak: Weak<MountFSInode> = Arc::downgrade(&inode);  in wrap()
157     fn overlaid_inode(&self) -> Arc<MountFSInode> {  in overlaid_inode()
167     fn do_find(&self, name: &str) -> Result<Arc<MountFSInode>, SystemError> {  in do_find()
171         return Ok(Arc::new_cyclic(|self_ref| MountFSInode {  in do_find()
179     pub(super) fn do_parent(&self) -> Result<Arc<MountFSInode>, SystemError> {  in do_parent()
185                     return Ok(Arc::new_cyclic(|self_ref| MountFSInode {  in do_parent()
198             return Ok(Arc::new_cyclic(|self_ref| MountFSInode {  in do_parent()
207     fn do_umount(&self) -> Result<Arc<MountFS>, SystemError> {  in do_umount()
264     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in create_with_data()
268         return Ok(Arc::new_cyclic(|self_ref| MountFSInode {  in create_with_data()
300     fn fs(&self) -> Arc<dyn FileSystem> {  in fs()
330     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in create()
332         return Ok(Arc::new_cyclic(|self_ref| MountFSInode {  in create()
339     fn link(&self, name: &str, other: &Arc<dyn IndexNode>) -> Result<(), SystemError> {  in link()
374         target: &Arc<dyn IndexNode>,  in move_to()
380     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, SystemError> {  in find()
386                 .map(|inode| inode as Arc<dyn IndexNode>)  in find()
393             _ => self.do_find(name).map(|inode| inode as Arc<dyn IndexNode>),  in find()
423         arg: Arc<dyn crate::net::event_poll::KernelIoctlData>,  in kernel_ioctl()
434     fn mount(&self, fs: Arc<dyn FileSystem>) -> Result<Arc<MountFS>, SystemError> {  in mount()
462     fn mount_from(&self, from: Arc<dyn IndexNode>) -> Result<Arc<MountFS>, SystemError> {  in mount_from()
482     fn umount(&self) -> Result<Arc<MountFS>, SystemError> {  in umount()
499     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in mknod()
501         return Ok(Arc::new_cyclic(|self_ref| MountFSInode {  in mknod()
531     fn parent(&self) -> Result<Arc<dyn IndexNode>, SystemError> {  in parent()
532         return self.do_parent().map(|inode| inode as Arc<dyn IndexNode>);  in parent()
535     fn page_cache(&self) -> Option<Arc<PageCache>> {  in page_cache()
541     fn root_inode(&self) -> Arc<dyn IndexNode> {  in root_inode()
632 pub struct MountList(RwLock<BTreeMap<MountPath, Arc<MountFS>>>);
634 static mut __MOUNTS_LIST: Option<Arc<MountList>> = None;
650         __MOUNTS_LIST = Some(Arc::new(MountList(RwLock::new(BTreeMap::new()))));  in init_mountlist()
662 pub fn MOUNT_LIST() -> &'static Arc<MountList> {  in MOUNT_LIST()
684     pub fn insert<T: AsRef<str>>(&self, path: T, fs: Arc<MountFS>) {  in insert()
706     ) -> Option<(String, String, Arc<MountFS>)> {  in get_mount_point()
734     pub fn remove<T: Into<MountPath>>(&self, path: T) -> Option<Arc<MountFS>> {  in remove()