Module os::fs::inode

Arc<Inode> -> OSInodeInner: In order to open files concurrently we need to wrap Inode into Arc,but Mutex in Inode prevents file systems from being accessed simultaneously

UPSafeCell<OSInodeInner> -> OSInode: for static ROOT_INODE,we need to wrap OSInodeInner into UPSafeCell

Structs

OSInode

inode in memory A wrapper around a filesystem inode to implement File trait atop

OSInodeInner

The OS inode inner in ‘UPSafeCell’

OpenFlags

The flags argument to the open() system call is constructed by ORing together zero or more of the following values:

ROOT_INODE

Functions

list_apps

List all apps in the root directory

open_file

Open a file