fn mkdir(
        &self,
        ctx: Context,
        parent: Self::Inode,
        name: &CStr,
        mode: u32,
        umask: u32,
    ) -> io::Result<Entry> {
        Err(io::Error::from_raw_os_error(bindings::LINUX_ENOSYS))
    }
/// Create a directory.
///
/// When the `FsOptions::DONT_MASK` feature is set, the file system is responsible for setting
/// the permissions of the created directory to `mode & !umask`. Returns an `Entry` for the
/// newly created directory.
///
/// If this call is successful then the lookup count of the `Inode` associated with the returned
/// `Entry` must be increased by 1.
Create a directory.
When the `FsOptions::DONT_MASK` feature is set, the file system is responsible for setting
the permissions of the created directory to `mode & !umask`. Returns an `Entry` for the
newly created directory.

If this call is successful then the lookup count of the `Inode` associated with the returned
`Entry` must be increased by 1.
Create a directory . When the ` FsOptions :: DONT_MASK ` feature is set the file system is responsible for setting the permissions of the created directory to ` mode & !umask ` . Returns an ` Entry ` for the newly created directory . If this call is successful then the lookup count of the ` Inode ` associated with the returned ` Entry ` must be increased by 1 .
fn mkdir(
        &self,
        ctx: Context,
        parent: Self::Inode,
        name: &CStr,
        mode: u32,
        umask: u32,
    ) -> io::Result<Entry> {
        Err(io::Error::from_raw_os_error(bindings::LINUX_ENOSYS))
    }
fn mkdir ( & self , ctx : Context , parent : Self :: Inode , name : & CStr , mode : u32 , umask : u32 , ) -> io :: Result < Entry > { Err ( io :: Error :: from_raw_os_error ( bindings :: LINUX_ENOSYS ) ) }
Create a directory.
Create a directory .
&self
ctx
Context
parent
Self::Inode
name
&CStr
mode
u32
umask
u32